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Nitecore D4 vs Nitecore UMS4: 125 Highlights & 44 Differences — So, Which Charger Actually Works Better

Both chargers excel in different areas; see which matches your power and convenience needs. What sets Nitecore D4 apart from Nitecore UMS4? This chargers face-off compares specs like usb-c ports, cable length, interchangeable plugs & weight and beyond.

57 Points
Nitecore
Nitecore
Nitecore D4
Nitecore D4
61 Points
Nitecore UMS4
vs

Highlights 154

No extras. Just what matters.
57 Points
vs
61 Points

Why is Nitecore D4 better than Nitecore UMS4 ?

Scroll down for more facts

Nitecore D4 vs UMS4: Which Battery Charger Is the Smarter Pick?

When it comes to selecting a battery charger that offers reliability and multilayer protection, both the Nitecore D4 and UMS4 stand out as premier indoor chargers tailored for different user levels. These chargers share core functionalities like supporting simultaneous charging of up to four devices, incorporating dynamic power distribution methods, and ensuring consistent charging performance with high thermal efficiency. Both models maintain robust safety protocols, including instant protection response and fire protection to safeguard your batteries. However, their fundamental differences, such as maximum output power, port configuration, and wireless charging capabilities, shape their distinct appeal to varying needs and preferences.

Why the Nitecore D4 Appeals to Advanced Users

The Nitecore D4 is crafted with the advanced user in mind, prioritizing a rugged yet versatile charging experience. It delivers a maximum output power of 96W, supplemented by a notable peak power handling of 15W in wireless charging; far exceeding that of the UMS4's wireless capability. This makes the D4 unique with its support for Qi wireless charging at its full 96W potential, beneficial for users seeking faster wireless device charging without extra adapters.

Built with premium materials, the D4 boasts superior scratch and drop resistance rated at 3, which enhances its durability for frequent use. It also features a quadruple USB-A port setup alongside two USB-C ports, enabling compatibility with various classic and modern devices. The charger implements an idle charging strategy where it powers off to save energy, reinforcing its energy-saving credentials.

Its physical robustness, combined with a longer 2-year warranty, longer rated lifespan, and a premium manufacturing quality level, ensures that the D4 excels as a durable and consistent charging solution for indoor environments where multiple devices are managed daily.

The Nitecore UMS4: Streamlined Power for Intermediate Users

Launched a few years later, the Nitecore UMS4 appeals primarily to intermediate users who appreciate a more compact and versatile charger with modern conveniences. While it offers a slightly higher maximum output power of 100W and an impressive peak power handling of 120W, its standout feature is a significantly higher output voltage of 20V, which is beneficial for devices requiring faster voltage delivery.

Unlike the D4, the UMS4 opts for three USB-C ports versus only one USB-A port, reflecting a shift toward USB-C's universal usage in contemporary devices. Its detachable cable management system also adds a layer of portability and tangle-free convenience, ideal for travel and organizational needs. The charger is remarkably lightweight at 0.3 kg, smaller in width, though slightly taller than the D4, making it easier to carry without compromising performance.

Another subtle but practical distinction lies in its standby idle charging mode, which conserves power without completely shutting off, appealing to users who are conscious about energy efficiency. The UMS4 is supported by a wide variety of customer support channels, including email, phone, and live chat, although it comes with a shorter 1-year warranty compared to the D4.

Quick Take

The Nitecore D4 triumphs with its rugged build, superior wireless charging, and multi-USB-A ports, perfect for those who want long-term versatility and reliability. Meanwhile, the UMS4 shines in delivering compact design, enhanced USB-C connectivity, and higher voltage output for more efficient charging; suited for users prioritizing portability and newer device standards.

Bottom Line

If durability, longer warranty, and traditional USB-A versatility are vital, the Nitecore D4 solidifies itself as the top pick for advanced users. Conversely, intermediate users and those seeking a sleek, modern charger with robust USB-C options and slightly higher power output should gravitate toward the UMS4.

Verdict

  • Winner: Nitecore D4 - Offers a more rugged, versatile charging experience with superior wireless charging capability and longer warranty support.
  • Runner-up: Nitecore UMS4 - Excels at USB-C connectivity and portability with higher voltage output, ideal for intermediate users favoring newer device ecosystems.

Pricing for both models remains competitive, with the $39.95 at Nitecore Store for the D4 and the $38.95 at Nitecore Store for the UMS4, making both accessible choices depending on your charging preferences.

Comparisons 10

Two enter. One leaves your cart.

Price comparisons

(✱) Prices may be changed at any time without further notice.

Related comparisons 10

Because one duel is never enough.

Comparisons & Facts 154

Side by side. The numbers. The features. No drama.

From feature sets to real-life wins and flaws, this chargers comparison between Nitecore D4 and Nitecore UMS4 helps you cut through the noise.

General Information 15

Release Year

What year was this charger released?

15 Nitecore D4 0 Votes 2014

48 Nitecore UMS4 0 Votes 2018

Nitecore D4
vs
Nitecore UMS4
Release Year

Nitecore D4 was released in 2014, and Nitecore UMS4 in 2018, indicating the UMS4 is the newer model.

The year the charger model was first released to market.

Usage Environment

Where can this charger be used?

27 Nitecore D4 0 Votes Indoor

32 Nitecore UMS4 0 Votes Indoor

Nitecore D4
vs
Nitecore UMS4
Usage Environment

Both Nitecore D4 and Nitecore UMS4 have an Indoor usage environment, making them suitable for similar setting requirements.

Specifies the environments where the charger is designed to operate.

User Level

What user level is this charger designed for?

87 Nitecore D4 0 Votes Advanced

52 Nitecore UMS4 0 Votes Intermediate

Nitecore D4
vs
Nitecore UMS4
User Level

The User Level for Nitecore D4 is considered Advanced, whereas for Nitecore UMS4 it is Intermediate, showing that the D4 targets more experienced users.

Describes the technical experience level required to use the charger effectively.

Product Name

What is the product name?

68 Nitecore D4 0 Votes Nitecore D4

60 Nitecore UMS4 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Product Name

The Product Name for Nitecore D4 is 'Nitecore D4' while for Nitecore UMS4, it is 'Nitecore UMS4'. This indicates clear differentiation in product identity.

Official product name used to identify the charger model.

Charger Type

What type of charger is this?

27 Nitecore D4 0 Votes Wall Charger

32 Nitecore UMS4 0 Votes Wall Charger

Nitecore D4
Nitecore D4

This unit is a wall charger designed to plug directly into AC outlets, which makes it suitable for stationary charging setups.

Defines the primary charger category based on form and usage.

Charging Technology

What charging technology does it use?

17 Nitecore D4 0 Votes Standard Charging

22 Nitecore UMS4 0 Votes Standard Charging

Nitecore D4
vs
Nitecore UMS4
Charging Technology

Both Nitecore D4 and Nitecore UMS4 utilize Standard Charging technology, ensuring commonality in charging methods.

Indicates the core technology used to deliver power efficiently.

Intended Use

What is the intended use of this charger?

67 Nitecore D4 0 Votes Home, Office, Travel

72 Nitecore UMS4 0 Votes Home, Office, Travel

Nitecore D4
Nitecore D4

Ideally used in indoor settings such as home, office, or during travel, this charger meets varied environment needs.

Describes where and how the charger is primarily intended to be used.

Power Source

What is the power source?

87 Nitecore D4 0 Votes USB Power

72 Nitecore UMS4 0 Votes DC Outlet

Nitecore UMS4
Nitecore UMS4

This charger draws power from a DC outlet, typical for mobile environments like vehicle or battery bank charging applications.

Defines where the charger draws its power from.

Device Compatibility

What devices are compatible with this charger?

37 Nitecore D4 0 Votes Accessory

42 Nitecore UMS4 0 Votes Accessory

Indicates the types of devices the charger can power.

Compatibility Notes

Are compatibility notes clearly provided?

No 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Indicates whether additional compatibility limitations or requirements are clearly disclosed.

Installation Type

How is the charger installed?

37 Nitecore D4 0 Votes Plug-In

42 Nitecore UMS4 0 Votes Plug-In

Describes how the charger is installed or connected.

Mounting Style

What is the mounting style?

47 Nitecore D4 0 Votes Desktop

52 Nitecore UMS4 0 Votes Desktop

Indicates how the charger is physically positioned during use.

Electrical & Power 19

Maximum Output Power

What is the maximum output power?

96 Watt 0 Votes
Nitecore D4
100 Watt 1 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Maximum Output Power

Nitecore D4 offers a Maximum Output Power of 96 Watts, while Nitecore UMS4 provides 100 Watts, giving UMS4 a slight power advantage.

The highest total power the charger can deliver to connected devices.

The maximum output power on the UMS4 is higher so it's better for charging multiple devices fast

See more

Peak Power Handling

What peak power can it handle?

15 Watt 0 Votes
Nitecore D4
120 Watt 0 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Peak Power Handling

Peak Power Handling is 15 Watts for Nitecore D4 and significantly higher at 120 Watts for Nitecore UMS4, making UMS4 better for peak performance.

The maximum short-term power the charger can safely handle.

Minimum Output Power

What is the minimum output power?

1.5 Watt 0 Votes
Nitecore D4
5 Watt 0 Votes
Nitecore UMS4

Nitecore D4
Nitecore D4

The minimum output power is 1.5 Watt, allowing it to charge even low-power devices efficiently.

Nitecore UMS4
Nitecore UMS4

Minimum output power is 5 Watt (5 W), suitable for charging smaller devices and maintaining trickle charge safely.

The lowest stable power output supported by the charger.

Standby Power Consumption

How much power is used on standby?

0.5 Watt 0 Votes
Nitecore D4
0.2 Watt 0 Votes
Nitecore UMS4

Nitecore D4
Nitecore D4

Standby power consumption is low, at 0.5 Watt, which helps save electricity when not actively charging.

Nitecore UMS4
Nitecore UMS4

Standby power consumption is very low at 0.2 Watt (0.2 W), minimizing energy waste when not actively charging devices.

Power consumed when the charger is plugged in but not actively charging.

Input Current

How much input current does it draw?

1.5 A 0 Votes
Nitecore D4
3 A 1 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Input Current

Input Current is 1.5 Amps for Nitecore D4 and doubles to 3 Amps for Nitecore UMS4, allowing the latter to potentially charge devices faster.

The amount of current drawn from the power source during operation.

Input current is double on the UMS4 which means it can charge things faster but uses more power

See more

Input Frequency

What input frequency is supported?

50 Hz 0 Votes
Nitecore D4
50 Hz 0 Votes
Nitecore UMS4

Nitecore UMS4
Nitecore UMS4

The input frequency is 50 Hz, which matches the standard electrical grid frequency in many regions worldwide.

The electrical frequency range the charger can accept.

Output Current

What is the output current?

3.6 A 0 Votes
Nitecore D4
3 A 0 Votes
Nitecore UMS4

Nitecore D4
Nitecore D4

Output current maxes at 3.6 Ampere, compatible with many modern devices needing significant current for rapid charging.

The maximum current delivered to devices for charging.

Current Regulation

How good is the current regulation?

77 Nitecore D4 0 Votes Excellent

82 Nitecore UMS4 0 Votes Excellent

Nitecore D4
Nitecore D4

Current regulation is excellent, which protects devices by maintaining consistent current flow during charging.

Indicates how consistently current is controlled during charging.

Output Voltage

What is the output voltage?

5 Volt 0 Votes
Nitecore D4
20 Volt 1 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Output Voltage

Output Voltage is 5 Volts for Nitecore D4, compared to 20 Volts for Nitecore UMS4, indicating UMS4 supports higher voltage devices.

The voltage supplied to connected devices during charging.

Output voltage is way higher on the UMS4 so it might suit newer devices more easily

See more

Input Voltage

What input voltage does it support?

100 Volt 0 Votes
Nitecore D4
100 Volt 0 Votes
Nitecore UMS4

The voltage range required from the power source to operate safely.

Power Efficiency

How efficient is the charger?

87 Nitecore D4 0 Votes High

92 Nitecore UMS4 0 Votes High

Indicates how effectively input power is converted into usable output power.

Power Factor

What is the power factor?

37 Nitecore D4 0 Votes Medium

42 Nitecore UMS4 0 Votes Medium

Indicates how efficiently electrical power is drawn from the power source.

Charging Performance 14

Heat Management Efficiency

How efficient is heat management?

87 Nitecore D4 0 Votes High

92 Nitecore UMS4 0 Votes High

Nitecore D4
vs
Nitecore UMS4
Heat Management Efficiency

Both Nitecore D4 and UMS4 feature High Heat Management Efficiency, aiding in thermal regulation during use.

Measures how effectively heat is managed during charging.

Idle Charging Behavior

What happens after charging is complete?

37 Nitecore D4 0 Votes Power-Off

82 Nitecore UMS4 0 Votes Standby

Nitecore D4
vs
Nitecore UMS4
Idle Charging Behavior

Idle Charging Behavior for Nitecore D4 is Power-Off, whereas for Nitecore UMS4 it is Standby, affecting standby power consumption.

Describes behavior when a device is fully charged but still connected.

Maximum Charging Speed

What is the maximum charging speed?

96 Watt 0 Votes
Nitecore D4
3,000 Watt 0 Votes
Nitecore UMS4

Nitecore D4
Nitecore D4

Maximum charging speed supports up to 96 Watt, enabling rapid charging for larger devices.

Nitecore UMS4
Nitecore UMS4

Maximum charging speed is 3000 Watt (3000 W), suggesting this specification might reflect cumulative or theoretical charging capability across multiple ports or is a typographical error requiring official confirmation.

The highest charging power delivered to a single device.

Simultaneous Device Charging

How many devices can be charged simultaneously?

65 Nitecore D4 0 Votes 4

71 Nitecore UMS4 0 Votes 4

Nitecore D4
vs
Nitecore UMS4
Simultaneous Device Charging

Both Nitecore D4 and UMS4 support Simultaneous Device Charging of four devices, providing equal multi-device capability.

The maximum number of devices that can be charged at the same time.

Full Charge Time Estimate

How long does a full charge take?

17 Nitecore D4 0 Votes 4–6 hours

32 Nitecore UMS4 0 Votes 3–6 hours

Nitecore D4
Nitecore D4

Full charge time estimate ranges from 4 to 6 hours, suitable for overnight or midday charging sessions.

Nitecore UMS4
Nitecore UMS4

Full charge time estimate ranges from 3 to 6 hours, a typical duration for charging mid-size to large capacity batteries.

Estimated time required to fully charge a typical device.

Power Distribution Method

How is power distributed?

77 Nitecore D4 0 Votes Dynamic

82 Nitecore UMS4 0 Votes Dynamic

Nitecore D4
vs
Nitecore UMS4
Power Distribution Method

Power Distribution Method is Dynamic for both Nitecore D4 and UMS4, allowing adaptive charging power allocation.

Describes how power is allocated across multiple ports.

Throttling Behavior

How does the charger throttle performance?

87 Nitecore D4 0 Votes Gradual

92 Nitecore UMS4 0 Votes Gradual

Nitecore D4
Nitecore D4

Throttling behavior is gradual, meaning power reduction under certain conditions happens smoothly to avoid abrupt changes.

Describes how charging speed is reduced when limits are reached.

Charging Speed

What is the charging speed category?

47 Nitecore D4 0 Votes Fast

52 Nitecore UMS4 0 Votes Fast

Classifies overall charging speed based on supported power and protocols.

Intelligent Power Allocation

Does it allocate power intelligently?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Automatically adjusts power delivery based on connected devices.

Charging Stability

How stable is the charging performance?

37 Nitecore D4 0 Votes Stable

42 Nitecore UMS4 0 Votes Stable

Reflects how consistent charging output remains over time.

Charging Consistency

Is charging speed consistent?

87 Nitecore D4 0 Votes Consistent

92 Nitecore UMS4 0 Votes Consistent

Nitecore D4
vs
Nitecore UMS4
Charging Consistency

Charging Consistency is described as Consistent for both Nitecore D4 and UMS4, ensuring reliable charging quality.

Indicates how evenly charging speed is maintained throughout a session.

Adaptive Charging

Does it support adaptive charging?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Adjusts charging patterns based on device needs and conditions.

Ports & Connectivity 17

Cable Length

How long is the charging cable?

3 ft 0 Votes
Nitecore D4
3.5 ft 0 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Cable Length

Cable Length is 3 feet for Nitecore D4 and slightly longer at 3.5 feet for Nitecore UMS4, providing minor convenience for UMS4 users.

Length of the included charging cable.

USB-C Ports

How many USB-C ports does it have?

45 Nitecore D4 0 Votes 2

71 Nitecore UMS4 1 Votes 3

Nitecore D4
vs
Nitecore UMS4
USB-C Ports

Nitecore D4 includes 2 USB-C Ports, while Nitecore UMS4 has 3 USB-C Ports, meaning UMS4 offers more USB-C connectivity.

Number of USB-C output ports for modern devices.

For USB-C it's better to get the UMS4 since it offers 3 ports instead of 2

See more

USB-A Ports

How many USB-A ports are included?

35 Nitecore D4 1 Votes 4

11 Nitecore UMS4 0 Votes 1

Nitecore D4
vs
Nitecore UMS4
USB-A Ports

USB-A Ports number 4 on Nitecore D4 versus only 1 on Nitecore UMS4, favoring D4 for users needing multiple USB-A ports.

Number of traditional USB-A output ports.

The D4 has more USB-A ports so it's better if you have lots of old devices to charge

See more

Interchangeable Plugs

Does it support interchangeable plugs?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Interchangeable Plugs

Neither Nitecore D4 nor UMS4 support Interchangeable Plugs, indicating fixed plug design for both.

Supports interchangeable plug heads for different regions.

Wireless Charging Power

What is the wireless charging power?

96 Watt 0 Votes
Nitecore D4
15 Watt 0 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Wireless Charging Power

Nitecore D4 offers 96 Watts Wireless Charging Power, whereas Nitecore UMS4 only provides 15 Watts, favoring D4 for wireless charging strength.

Maximum power delivered during wireless charging.

Total Ports

How many total ports does the charger have?

27 Nitecore D4 0 Votes 4

32 Nitecore UMS4 0 Votes 4

Nitecore D4
Nitecore D4

Total number of ports is 4, supporting multiple devices charging simultaneously.

Nitecore UMS4
Nitecore UMS4

The total number of ports on this charger is 4, enabling charging of multiple devices at once.

Total number of output ports available for charging devices.

Wireless Charging

Does it support wireless charging?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Indicates whether the charger supports wireless charging.

Connector Type

What connector types are supported?

37 Nitecore D4 0 Votes Micro-USB

82 Nitecore UMS4 0 Votes USB-C

Types of connectors supported by the charger.

Detachable Cable

Is the cable detachable?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Indicates whether the charging cable can be detached.

Pass-Through Charging

Does it support pass-through charging?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Allows the charger to power devices while itself being powered.

Port Placement

Where are the ports located?

47 Nitecore D4 0 Votes Front

52 Nitecore UMS4 0 Votes Front

Location of charging ports on the charger body.

Port Labeling

Are the ports labeled?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Indicates whether ports are clearly labeled for identification.

Physical Dimensions & Weight 7

Weight

How much does the charger weigh?

0.55 lbs 0 Votes
Nitecore D4
0.3 lbs 1 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Weight

Nitecore D4 weighs 0.55 lbs while Nitecore UMS4 is lighter at 0.3 lbs, making UMS4 more travel friendly in terms of weight.

Total weight of the charger including built-in components.

Weight is lower for the UMS4 which makes it easier to travel with

See more

Travel Size Classification

Is this charger travel-sized?

17 Nitecore D4 0 Votes Standard

22 Nitecore UMS4 0 Votes Standard

Nitecore D4
vs
Nitecore UMS4
Travel Size Classification

Both products are classified as Standard for Travel Size Classification, suggesting similar portability profiles.

Overall size category based on dimensions and portability.

Width

What is the width of the charger?

4.3 inch 0 Votes
Nitecore D4
3.7 inch 0 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Width

Width is 4.3 inches for Nitecore D4 and slightly narrower at 3.7 inches for Nitecore UMS4, favoring UMS4 for slimmer design.

The horizontal measurement of the charger body from side to side.

Depth

What is the depth of the charger?

1.3 inch 0 Votes
Nitecore D4
2.9 inch 0 Votes
Nitecore UMS4

Nitecore D4
Nitecore D4

Depth measures 1.3 inches (3.3 cm), reflecting a compact form factor for convenient placement.

The front-to-back measurement of the charger body.

Height

What is the height of the charger?

2.6 inch 0 Votes
Nitecore D4
3.15 inch 0 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Height

The Height of Nitecore D4 is 2.6 inches compared to 3.15 inches for Nitecore UMS4, showing D4 is more compact vertically.

The vertical measurement of the charger from bottom to top.

Cable Thickness

How thick is the cable?

0.17 inch 0 Votes
Nitecore D4

Who knows? 0 Votes Nitecore UMS4 (Help us out by suggesting one!)

Nitecore D4
vs
Nitecore UMS4
Cable Thickness

Nitecore D4 has a Cable Thickness of 0.17 inches, whereas this value is unavailable for Nitecore UMS4, so comparison is not possible.

Thickness of the charging cable, affecting durability and flexibility.

Plug Profile Depth

How far does the plug stick out?

1.5 inch 0 Votes
Nitecore D4
1.18 inch 0 Votes
Nitecore UMS4

Nitecore D4
Nitecore D4

Plug profile depth is 1.5 inches (3.81 cm), affecting how much the charger protrudes from the wall.

Depth of the plug profile when inserted into an outlet.

Build Quality & Materials 11

Drop Resistance

How drop-resistant is the charger?

3 ft 0 Votes
Nitecore D4

Who knows? 0 Votes Nitecore UMS4 (Help us out by suggesting one!)

Nitecore D4
vs
Nitecore UMS4
Drop Resistance

Drop Resistance for Nitecore D4 is 3 feet, but this value is unavailable for Nitecore UMS4, so no direct comparison can be made.

Maximum drop height the charger can withstand without damage.

Housing Material

What is the housing material?

37 Nitecore D4 0 Votes Plastic

42 Nitecore UMS4 0 Votes Plastic

Nitecore D4
vs
Nitecore UMS4
Housing Material

Both Nitecore D4 and UMS4 use Plastic housing material, indicating comparable build materials.

Primary material used for the outer charger casing.

Heat-Resistant Materials

Does it use heat-resistant materials?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Heat-Resistant Materials

Heat-Resistant Materials are present in both Nitecore D4 and UMS4, enhancing safety under high temperatures.

Uses materials designed to withstand high temperatures safely.

Material Sustainability Level

How sustainable are the materials?

37 Nitecore D4 0 Votes Medium

42 Nitecore UMS4 0 Votes Medium

Nitecore D4
vs
Nitecore UMS4
Material Sustainability Level

Both Nitecore D4 and UMS4 have Medium Material Sustainability Level, showing similar environmental consideration in materials.

Use of sustainable or environmentally friendly materials.

Plug Material

What material is the plug made of?

37 Nitecore D4 0 Votes Metal, Plastic

42 Nitecore UMS4 0 Votes Plastic, Metal

Nitecore UMS4
Nitecore UMS4

Plug material combines Plastic and Metal for durability and electrical safety, balancing insulation with conductive strength.

Material used for the plug prongs and structure.

Fire-Retardant Rating

What is the fire-retardant rating?

77 Nitecore D4 0 Votes V-0

82 Nitecore UMS4 0 Votes V-0

Nitecore D4
Nitecore D4

The fire-retardant rating is V-0, which is the highest rating according to UL94 standards, indicating excellent flame retardant properties.

Fire safety rating of the charger materials.

Moisture Resistance

Is it resistant to moisture?

37 Nitecore D4 0 Votes Splash-Resistant

0 Nitecore UMS4 0 Votes None

Nitecore D4
Nitecore D4

The charger offers splash resistance, meaning it can handle minor exposure to moisture but is not fully waterproof.

Ability to withstand moisture exposure.

Scratch Resistance

How scratch-resistant is it?

67 Nitecore D4 1 Votes High

32 Nitecore UMS4 0 Votes Medium

Nitecore D4
vs
Nitecore UMS4
Scratch Resistance

Nitecore D4 has High Scratch Resistance, while Nitecore UMS4 offers Medium scratch resistance, favoring D4 for durability against surface damage.

Resistance of the surface to scratches and abrasions.

Scratch resistance is higher on the D4 which is cool if you want it to last looking good

See more

Port Reinforcement

Are the ports reinforced?

87 Nitecore D4 0 Votes Reinforced

0 Nitecore UMS4 0 Votes Standard

Indicates whether charging ports are reinforced for durability.

Surface Finish

What is the surface finish?

17 Nitecore D4 0 Votes Matte

22 Nitecore UMS4 0 Votes Matte

External surface finish affecting grip and aesthetics.

Build Rigidity

How rigid is the charger build?

87 Nitecore D4 0 Votes Solid

92 Nitecore UMS4 0 Votes Solid

Overall structural stiffness of the charger body.

Safety & Protection Features 15

Fire Protection

Does it include fire protection?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Fire Protection

Fire Protection is included in both Nitecore D4 and UMS4, enhancing safety features.

Built-in measures to reduce fire risk during electrical faults.

Safety Redundancy Level

What is the safety redundancy level?

87 Nitecore D4 0 Votes Multi-Layer

92 Nitecore UMS4 0 Votes Multi-Layer

Nitecore D4
vs
Nitecore UMS4
Safety Redundancy Level

Safety Redundancy Level is Multi-Layer on both Nitecore D4 and UMS4, assuring robust protective design.

Indicates the number of safety systems working together.

Overheat Protection

Does it have overheat protection?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Automatically reduces or shuts off power when excessive heat is detected.

Temperature Monitoring

Is temperature actively monitored?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Continuously monitors internal temperature during operation.

Electrical Isolation

Is electrical isolation implemented?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Separates high-voltage and low-voltage components for safety.

Grounding

Does it support grounding?

No 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Supports grounding to reduce shock and electrical interference.

Child Safety Shutter

Is there a child safety shutter?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Child Safety Shutter

Neither Nitecore D4 nor UMS4 have Child Safety Shutters, indicating a lack of this specific childproofing feature.

Prevents accidental insertion of objects into live ports.

Anti-Spark Protection

Does it have anti-spark protection?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Reduces sparking when plugging or unplugging devices.

EMI Protection

Is EMI protection included?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Protects against electromagnetic interference affecting nearby electronics.

ESD Protection

Is ESD protection supported?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Shields the charger from electrostatic discharge damage.

Auto Shut-Off

Does it shut off automatically?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Automatically cuts power when unsafe conditions are detected.

Fault Detection

Can it detect electrical faults?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Detects abnormal electrical conditions during operation.

Compatibility & Standards 12

Tablet Charging

Does it support tablet charging?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Tablet Charging

Tablet Charging capability is absent in both Nitecore D4 and UMS4, limiting direct tablet charging support.

Indicates compatibility with tablets and similar devices.

Backward Compatibility

Is it backward compatible?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Backward Compatibility

Backward Compatibility is supported by both Nitecore D4 and UMS4, ensuring use with older devices.

Maintains compatibility with older charging standards and devices.

USB Power Delivery

Does it support USB Power Delivery?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Indicates support for the USB Power Delivery standard for fast and flexible charging.

Quick Charge

Does it support Quick Charge?

No 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Indicates compatibility with Qualcomm Quick Charge technology.

PPS

Does it support PPS?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Supports Programmable Power Supply for efficient fast charging.

Wireless Charging Standard

Which wireless charging standard is supported?

65 Nitecore D4 0 Votes Qi

Who knows? 0 Votes Nitecore UMS4 (Help us out by suggesting one!)

Nitecore D4
vs
Nitecore UMS4
Wireless Charging Standard

Wireless Charging Standard is Qi for Nitecore D4, but not available for Nitecore UMS4, favoring D4 for standard wireless charging support.

Specifies the wireless charging standard supported.

Apple Charging

Is it compatible with Apple devices?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Optimized compatibility with Apple devices and charging requirements.

Android Charging

Is it compatible with Android devices?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Ensures compatibility with Android devices and charging protocols.

Laptop Charging

Can it charge laptops?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Laptop Charging

Laptop Charging is not supported by either Nitecore D4 or UMS4, limiting use for laptop power needs.

Indicates whether the charger can power laptops.

Wearable Charging

Can it charge wearables?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Supports charging of wearables like smartwatches or earbuds.

Proprietary Protocol

Does it support proprietary protocols?

No 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Supports manufacturer-specific charging protocols.

Cross-Brand Compatibility

How broad is cross-brand compatibility?

87 Nitecore D4 0 Votes Universal

92 Nitecore UMS4 0 Votes Universal

Nitecore D4
vs
Nitecore UMS4
Cross-Brand Compatibility

Both Nitecore D4 and UMS4 offer Universal Cross-Brand Compatibility, making them versatile for devices from various brands.

Level of compatibility across different device brands.

Thermal & Environmental Performance 11

Operating Temperature Range

What is the operating temperature range?

47 Nitecore D4 0 Votes 32–104°F

52 Nitecore UMS4 0 Votes 32–104°F

Nitecore D4
Nitecore D4

Operating temperature range is 32–104 °F (0–40 °C), suitable for typical indoor and moderate outdoor environments.

The temperature range within which the charger operates safely.

Storage Temperature Range

What is the storage temperature range?

67 Nitecore D4 0 Votes -4–140°F

77 Nitecore UMS4 0 Votes -4–158°F

Nitecore UMS4
Nitecore UMS4

The storage temperature range is from -4 to 158°F (-20 to 70°C), supporting device safety in a wide variety of environmental conditions.

Temperature range safe for storing the charger when not in use.

Internal Cooling Design

What internal cooling design is used?

57 Nitecore D4 0 Votes Heat Sink

62 Nitecore UMS4 0 Votes Heat Sink

Nitecore UMS4
Nitecore UMS4

Internal cooling design uses a Heat Sink to dissipate heat passively, helping maintain safe operating temperatures without fan noise.

Internal structure designed to manage heat.

Thermal Dissipation Method

How does it dissipate heat?

47 Nitecore D4 0 Votes Passive

52 Nitecore UMS4 0 Votes Passive

Nitecore D4
vs
Nitecore UMS4
Thermal Dissipation Method

Thermal Dissipation Method is Passive for both Nitecore D4 and UMS4, indicating similar heat management techniques.

Method used to release heat during operation.

Fanless Design

Is the charger fanless?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Indicates whether cooling is achieved without a fan.

Noise Level

How noisy is the charger?

Who knows? 0 Votes Nitecore D4 (Help us out by suggesting one!)

Who knows? 0 Votes Nitecore UMS4 (Help us out by suggesting one!)

Operational noise produced during charging.

Thermal Throttling Threshold

At what temperature does throttling occur?

140 °F 0 Votes
Nitecore D4
140 °F 0 Votes
Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Thermal Throttling Threshold

Thermal Throttling Threshold is 140°F for both Nitecore D4 and UMS4, reflecting similar thermal safety limits.

Temperature at which charging power is reduced to prevent overheating.

Ambient Temperature Tolerance

How tolerant is it to ambient temperatures?

87 Nitecore D4 0 Votes High

92 Nitecore UMS4 0 Votes High

Ability to perform in varying ambient temperatures.

Altitude Operating Range

What altitude can it operate at?

Who knows? 0 Votes Nitecore D4 (Help us out by suggesting one!)

Who knows? 0 Votes Nitecore UMS4 (Help us out by suggesting one!)

Maximum altitude at which the charger operates reliably.

Energy Loss as Heat

How much energy is lost as heat?

87 Nitecore D4 0 Votes Low

92 Nitecore UMS4 0 Votes Low

Nitecore D4
vs
Nitecore UMS4
Energy Loss as Heat

Energy Loss as Heat is Low in both Nitecore D4 and UMS4, improving energy efficiency.

Percentage of input energy lost as heat during charging.

Sustained Load Temperature Stability

How stable is temperature under sustained load?

87 Nitecore D4 0 Votes Stable

92 Nitecore UMS4 0 Votes Stable

Nitecore D4
vs
Nitecore UMS4
Sustained Load Temperature Stability

Sustained Load Temperature Stability is Stable on both Nitecore D4 and UMS4, supporting reliable temperature control under load.

Temperature stability during prolonged high-load charging.

Usability & Convenience 12

Cable Management

How is the cable managed?

47 Nitecore D4 0 Votes External

62 Nitecore UMS4 0 Votes Detachable

Nitecore D4
vs
Nitecore UMS4
Cable Management

Cable Management is External for Nitecore D4, whereas Nitecore UMS4 uses Detachable cable management, with UMS4 offering more flexibility.

How the charging cable is managed when not in use.

LED Indicators

Does it have LED indicators?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
LED Indicators

LED Indicators are present on both Nitecore D4 and UMS4, enhancing usability.

Presence of LED lights to show charging or power status.

Travel Friendly

Is it travel-friendly?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Travel Friendly

Travel Friendly status is Yes for both Nitecore D4 and UMS4, ensuring ease of portability.

Designed for easy transport and use while traveling.

Daily Use Convenience

How convenient is it for daily use?

87 Nitecore D4 0 Votes High

92 Nitecore UMS4 0 Votes High

Nitecore D4
vs
Nitecore UMS4
Daily Use Convenience

Daily Use Convenience is High for both Nitecore D4 and UMS4, reflecting user-friendly operation.

Overall convenience during everyday use.

User Feedback Method

How does it provide user feedback?

62 Nitecore D4 0 Votes LED, Sound, Vibration

62 Nitecore UMS4 0 Votes LED

Nitecore D4
Nitecore D4

User feedback is provided through LED lights, sound alerts, and vibration, helping users know charging status through multiple sensory inputs.

Nitecore UMS4
Nitecore UMS4

User feedback is provided via LED indicators, offering clear visual cues for charging status and errors.

Methods used to communicate status to the user.

Plug Orientation

What is the plug orientation?

17 Nitecore D4 0 Votes Straight

22 Nitecore UMS4 0 Votes Straight

Nitecore D4
vs
Nitecore UMS4
Plug Orientation

Both Nitecore D4 and UMS4 have Straight Plug Orientation, standardizing plug design.

Orientation of the plug relative to the charger body.

Indicator Behavior

How do the indicators behave?

7 Nitecore D4 0 Votes Solid

12 Nitecore UMS4 0 Votes Solid

Nitecore UMS4
Nitecore UMS4

Indicator behavior is Solid, providing constant visual status feedback for power and charging activity.

How indicator lights behave during operation.

Setup Complexity

How complex is setup?

67 Nitecore D4 0 Votes Plug-and-Play

72 Nitecore UMS4 0 Votes Plug-and-Play

Nitecore UMS4
Nitecore UMS4

With Plug-and-Play setup complexity, the charger requires no advanced configuration, making it straightforward for nearly any user to operate.

Effort required to start using the charger.

Foldable Plug

Does it have a foldable plug?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Indicates whether the plug can fold for easier storage and travel.

One-Hand Operation

Can it be operated with one hand?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Allows easy plugging and unplugging with one hand.

Maintenance Requirements

Does it require maintenance?

37 Nitecore D4 0 Votes Low

42 Nitecore UMS4 0 Votes Low

Level of maintenance needed to keep the charger functioning well.

Firmware Upgradable

Can the firmware be updated?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Indicates whether the charger firmware can be updated.

Durability & Reliability 9

Rated Lifespan

How long is the rated lifespan?

87 Nitecore D4 1 Votes Long

42 Nitecore UMS4 0 Votes Moderate

Nitecore D4
vs
Nitecore UMS4
Rated Lifespan

The Rated Lifespan is Long for Nitecore D4 and Moderate for Nitecore UMS4, favoring D4 for longevity.

Expected operational lifespan of the charger under normal usage conditions.

The D4 has a longer rated lifespan so it should last better over time

See more

Cable Flex Cycles

How durable is the charging cable under repeated bending?

47 Nitecore D4 0 Votes Medium

52 Nitecore UMS4 0 Votes Medium

Nitecore D4
vs
Nitecore UMS4
Cable Flex Cycles

Cable Flex Cycles rating is Medium for both Nitecore D4 and UMS4, indicating moderate cable durability.

Indicates how many bending cycles the charging cable can withstand before performance degradation.

Environmental Stress Resistance

How resistant is it to environmental stress?

37 Nitecore D4 0 Votes Medium

42 Nitecore UMS4 0 Votes Medium

Nitecore D4
vs
Nitecore UMS4
Environmental Stress Resistance

Environmental Stress Resistance is Medium for Nitecore D4 and also Medium for Nitecore UMS4, showing equal environmental resilience.

Ability to withstand heat, humidity, and other stresses.

Mean Time Between Failures

How reliable is the charger over time?

87 Nitecore D4 0 Votes High

92 Nitecore UMS4 0 Votes High

Nitecore D4
vs
Nitecore UMS4
Mean Time Between Failures

Mean Time Between Failures is High in both Nitecore D4 and UMS4, projecting reliability.

Average reliability level indicating how often failures are expected.

Plug Insertion Cycles

How durable is the plug connection over time?

87 Nitecore D4 0 Votes High

92 Nitecore UMS4 0 Votes High

Indicates how many plug-in and unplug cycles the charger connector is designed to withstand before wear affects performance.

Port Wear Resistance

How resistant are the ports to wear?

87 Nitecore D4 0 Votes High

92 Nitecore UMS4 0 Votes High

Resistance of charging ports to wear over time.

Long-Term Stability

How stable is long-term performance?

87 Nitecore D4 0 Votes Stable

92 Nitecore UMS4 0 Votes Stable

Performance consistency over extended use periods.

Manufacturing Quality Level

What is the manufacturing quality level?

87 Nitecore D4 0 Votes Premium

92 Nitecore UMS4 0 Votes Premium

Nitecore D4
vs
Nitecore UMS4
Manufacturing Quality Level

Manufacturing Quality Level is Premium for both Nitecore D4 and UMS4, assuring high build standards.

Overall manufacturing quality classification.

Reliability Certification

Is reliability certified?

Yes 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Indicates whether reliability has been independently certified.

Energy & Efficiency Compliance 8

Energy Efficiency Rating

What is the energy efficiency rating?

87 Nitecore D4 0 Votes High

92 Nitecore UMS4 0 Votes High

Nitecore D4
vs
Nitecore UMS4
Energy Efficiency Rating

Energy Efficiency Rating is High for both Nitecore D4 and UMS4, supporting effective power use.

Overall classification of how efficiently the charger converts power.

Energy Star Compliance

Is it Energy Star compliant?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Indicates compliance with Energy Star efficiency standards.

Standby Efficiency

How efficient is the charger in standby mode?

87 Nitecore D4 0 Votes High

92 Nitecore UMS4 0 Votes High

Indicates how efficiently the charger uses power while plugged in but not actively charging.

Eco Mode

Does it support eco mode?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Eco Mode

Eco Mode feature is absent in both Nitecore D4 and UMS4, indicating no specialized energy-saving mode.

Reduces power consumption when full charging is not required.

Power Loss Rating

How much power is lost during operation?

87 Nitecore D4 0 Votes Low

92 Nitecore UMS4 0 Votes Low

Nitecore D4
vs
Nitecore UMS4
Power Loss Rating

Power Loss Rating is Low for both Nitecore D4 and UMS4, minimizing wasted energy.

Indicates the amount of input power lost during conversion and operation.

Green Materials Usage

Are green materials used?

No 0 Votes Nitecore D4

No 0 Votes Nitecore UMS4

Uses environmentally friendly or recycled materials.

Carbon Footprint Category

What is the carbon footprint category?

87 Nitecore D4 0 Votes Low

42 Nitecore UMS4 0 Votes Medium

Nitecore D4
vs
Nitecore UMS4
Carbon Footprint Category

Carbon Footprint Category is Low for Nitecore D4 and Medium for Nitecore UMS4, giving D4 advantage on environmental impact.

Estimated environmental impact from production and use.

Energy Saving Features

Does it have energy-saving features?

Yes 0 Votes Nitecore D4

Yes 0 Votes Nitecore UMS4

Nitecore D4
vs
Nitecore UMS4
Energy Saving Features

Energy Saving Features are present in both Nitecore D4 and UMS4, promoting energy conservation.

Built-in features designed to reduce energy consumption.

Warranty & Support 4

Support Channels

What support channels are available?

42 Nitecore D4 0 Votes Email, Online Portal

52 Nitecore UMS4 0 Votes Email, Phone, Chat, Online Portal

Nitecore D4
vs
Nitecore UMS4
Support Channels

Support Channels include Email and Online Portal for Nitecore D4, while Nitecore UMS4 adds Phone and Chat support, broadening user contact options.

Ways users can contact customer support.

Warranty Length

How long is the warranty?

17 Nitecore D4 1 Votes 2 Years

12 Nitecore UMS4 0 Votes 1 Year

Nitecore D4
vs
Nitecore UMS4
Warranty Length

Warranty Length for Nitecore D4 is 2 Years, but only 1 Year for Nitecore UMS4, making D4 the better choice for longer coverage.

Duration of warranty coverage provided with the charger.

Warranty for the D4 is longer which gives more peace of mind

See more

Customer Support Availability

When is customer support available?

7 Nitecore D4 0 Votes Business Hours

12 Nitecore UMS4 0 Votes Business Hours

Nitecore D4
vs
Nitecore UMS4
Customer Support Availability

Customer Support Availability is Business Hours for both Nitecore D4 and UMS4, ensuring support during standard times.

Availability of customer support services.

Replacement Policy

What is the replacement policy?

17 Nitecore D4 0 Votes Standard Returns

22 Nitecore UMS4 0 Votes Standard Returns

Nitecore D4
vs
Nitecore UMS4
Replacement Policy

Both Nitecore D4 and UMS4 offer a Standard Returns Replacement Policy, providing similar post-purchase protection.

Defines the terms under which a defective or faulty charger can be replaced.

Surveys

Because hot takes deserve votes.

Charging Speed

How satisfied are you with the charging speed of this chargers when powering everyday devices?

Extremely fast charging — Under 1 hour
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Very fast charging — 1 to 2 hours
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Decent charging speed — 2 to 4 hours
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Slow charging — 4 to 6 hours
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Very slow charging — Over 6 hours
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Power Output Performance

How well does this chargers provide enough power for phones, tablets, or laptops?

Handles high-demand devices easily — 65 watts or more
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Strong and reliable output — 45 to 64 watts
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Good for most daily devices — 25 to 44 watts
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Limited power capability — 10 to 24 watts
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Very weak power delivery — Under 10 watts
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Durability and Build Quality

How durable does this chargers feel during long-term daily use?

Feels built to last a long time — Over 5 years
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Very solid and dependable — 3 to 5 years
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Decently built for regular use — 2 to 3 years
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Feels somewhat fragile — 1 to 2 years
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Breaks down too quickly — Under 1 year
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Portability and Size

How easy is it to carry this chargers for travel or commuting?

Ultra compact and pocketable — Under 3 ounces
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Light and travel friendly — 3 to 5 ounces
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Moderately easy to carry — 5 to 7 ounces
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Somewhat bulky — 7 to 10 ounces
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Heavy and inconvenient — Over 10 ounces
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Heat Management

How well does this chargers control heat during extended charging sessions?

Stays cool even under heavy use — Under 90 degrees Fahrenheit
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Gets slightly warm — 90 to 100 degrees Fahrenheit
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Noticeably warm to the touch — 100 to 110 degrees Fahrenheit
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Runs quite hot — 110 to 120 degrees Fahrenheit
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Uncomfortably hot — Over 120 degrees Fahrenheit
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Ease of Use

How easy is it to use this chargers on a daily basis?

Effortless and intuitive — No learning needed
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Very easy to understand — Minimal effort
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Takes a little getting used to — Some adjustment
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Slightly confusing at times — Requires patience
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Frustrating to use — Feels complicated
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Setup Experience

How smooth is the initial setup experience with this chargers?

Instantly ready to use — Plug and charge
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Quick and simple setup — Less than 1 minute
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Setup takes some attention — A few minutes
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Setup feels awkward — Several minutes
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Setup feels annoying — Too many steps
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Design and Visual Appeal

How attractive does the design of this chargers look in everyday environments?

Sleek and modern look — Feels premium
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Clean and stylish design — Looks nice
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Simple and acceptable — Nothing special
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Somewhat unattractive — Feels dated
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Cheap-looking design — Not appealing
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Noise and Comfort

How comfortable is this chargers to use in quiet environments?

Completely silent operation — No noise at all
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Almost silent — Barely noticeable
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Occasionally noticeable — Slight sound
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Clearly noticeable noise — Can be distracting
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Annoyingly loud — Very disruptive
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Pricing and Value

How do you feel about the price of this chargers compared to what it offers?

Great value for money — Totally worth it
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Pretty good price — Feels reasonable
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Fair deal overall — Acceptable cost
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Kinda pricey — Feels expensive
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4
Crazy expensive — Not worth it
0 Votes
Nitecore D4
0 Votes
Nitecore UMS4

Guides 2

Files 1

Nitecore D4 Troubleshooting

nitecore.com
nitecore.com

Files 1

Nitecore UMS4 Setup & User Guide

nitecore.com
nitecore.com

Reviews 0

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Average Rating

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Awards 0

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