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NITECORE UM4 Intelligent USB Four Slot Battery Charger
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Power up your batteries!
Juice up your batteries in the NITECORE UM4 Intelligent USB Four Slot Battery Charger. It's a QC input available intelligent USB four-slot charger with a total max output of 3,000 mA and a single slot max output of 1,500 mA and is capable of charging 4 batteries simultaneously and controlling each slot independently. It only takes 2 hours to charge 80% of a 3,500mAh battery.
The LCD screen can display real-time information of Battery Health by “Good” or “Poor”, Internal Resistance, Charging Current, Battery Voltage, Charged Volume and Charging time. It can enable an automatic detection of battery power level and automatic selection of the appropriate voltage and charging mode and automatic selection between 3 charging modes (CC, CV and -dV/dt). The charging parameters can be set manually to meet various charging needs.
The specially designed Micro USB port is compatible with various mobile power sources, solar panels and USB adaptors to ensure an endless power supply. UM4 incorporates an optimised IMR battery charging program that monitors the entire charging process, ensuring the cut-off voltage remains within safe limits to extend battery lifespan. The UM4 is compatible with 3.6V/3.7V Li-ion rechargeable batteries, 3.8V Li-ion rechargeable batteries, 1.2V Ni-MH/Ni-Cd rechargeable batteries and 3.2V LiFePO4 batteries.
Multiple safeguards ensure the safe charging process, including automatic battery internal resistance detection, anti-short circuiting and reverse polarity protection, overtime charging protection, over-discharged Li-ion battery activation and over-discharged IMR battery restoration. Apart from being constructed from durable and fire-retardant PC materials, the built-in temperature regulation system is designed to prevent overheating and to ensure the stability of the charging process. If there is no action to the buttons or batteries in 3 minutes, the screen will automatically go dim to save energy.
NITECORE UM4 Intelligent USB Four Slot Battery Charger Features:
- Intelligent USB four-slot charger
- QC 2.0 input
- Capable of charging 4 batteries simultaneously and controlling each slot independently
- Total max output of 3000 mA with single slot max output of 1500 mA
- Compatible with Li-ion and Ni-MH /Ni-Cd batteries with automated detection
NITECORE UM4 Intelligent USB Four Slot Battery Charger Specifications:
- Input: DC 5V/2A 9V/2A
18W (MAX) - Output voltage: 4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1%
- Output current:
- QC Mode: 1,500mA*1 (MAX), 1,500mA*2 (MAX), 750mA*4 (MAX))
- Standard Mode: 1,500mA*1 (MAX), 1,000mA*2 (MAX), 500mA*4 (MAX)
- Compatible with: IMR/Li-ion/LiFePO4: 10440, 14500, 14650, 16500, 16340(RCR123), 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
NITECORE UM4 Intelligent USB Four Slot Battery Charger Product Datasheet
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