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Nitecore UM4 Quad Bay Battery Charger

$36.69
Ex Tax: $36.69

Product Code: M00002799
Availability: In Stock

NITECORE UM4 QUAD BAY BATTERY CHARGERThe UM4 battery charger by Nitecore features a wide range of compatibility and can charge up to four battery cells at one time.Featuring:QC Input | LCD screen for real-time charging informationUSB charging port for outdoor charging | Total max output of 3,000 mA with a single slot max output of 1,500 mA.Compatible with:IMR/..

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NITECORE UM4 QUAD BAY BATTERY CHARGER

The UM4 battery charger by Nitecore features a wide range of compatibility and can charge up to four battery cells at one time.
Featuring:
QC Input | LCD screen for real-time charging information
USB charging port for outdoor charging | Total max output of 3,000 mA with a single slot max output of 1,500 mA.

Compatible with:
IMR/Li-ion/LiFePO4:
10440 | 14500 | 14650 | 16500
16340 | 16650 | 17350 | 17500
17650 | 17670 | 17700 | 18350
18490 | 18500 | 18650 | 18700
20700 | 21700 | 22500 | 22650
25500 | 26500 | 26650 | 26700
Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D

QC Input - Total Max Output of 3000 mA

The UM4 is able to provide a total maximum output of 3000 mA, using QC input.

Single Slot Max Output of 1,500 mA

It takes just two hours to charge 80% of a 3,500 mA battery.

Optimised IMR Batteries

The UM4 incorporates an optimised IMR battery charging program, which is able to monitor the entire charging process, ensuring that the cut-off voltage is always within the safe limits.

LCD Screen with Real-Time Information

An LCD screen displays real-time charging information.

Short press the "V" button to cycle through different charging information.

Internal Resistance and Battery Health Detection

When the internal resistance is below 250 mΩ, it will show "Good" on the screen.
When it is above 250 mΩ, it will show "Poor" on the screen to indicate that the battery should be replaced.

Intelligent Charging Mode Selection

UM4 will automatically select between 3 charging modes (CC, CV and -dV/dt) according to the battery type and capacity.

Manual Charging Settings

The charging parameters can be set manually. Long press the "C" button to enter the charging setting mode.
Charging voltage selection: 3.7V/4.2V/4.3V
Charging current selection: 300 mA-1,500 mA.

Multiple Input Source Available

Compatible with various mobile power sources, solar panel and USB adapters to ensure endless power supply.

Over-Discharged IMR Battery Restoration

When an over-discharged IMR battery is installed, the screen will show "EE EE". Long press the "V" button to enter the restoration mode, which will continue the charging process.

Over-Discharged Li-ion Battery Activation

The UM4 is capable of activating over-discharge Li-ion batteries with a protective circuit. After a battery is installed, the UM4 will test and activate the battery before it begins charging. If a battery is detected as damaged, the screen will display "EE EE".

Anti Short-Circuiting and Reverse Polarity Protection

If batteries are inserted with the polarity reversed or short-circuited, the screen will flash to show "EE EE".

Energy Saving Function

If there is no action to the buttons or batteries in three minutes, the screen will automatically dim to save energy.

Safe Materials

The UM4 battery charger is created with durable, fire retardant PC materials.

Intelligent Temperature Regulation

The built-in temperature regulation system is designed to prevent overheating and to ensure stability when charging.

Unique Cooling Fins

The cooling fins on the UM4 are designed to enable extreme cooling performance, which allows for rapid heat dissipation, keeping the charger cool.

Features and Specifications

Input: DC 5V/2A 9V/2A 18W (max) | QC Mode: (1,500 mA x 1) or (1,500 mA x 2) or (750 mA x 4)
Standard Mode: (1,500 mA x 1) or (1,000 mA x 2) or (500 mA x 4)
Weight: 233 grams | Dimensions: 159mm x 107mm x 41mm

Please see our comprehensive guide to battery safety.

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