Nitecore UM4 Four Bay USB Battery Charger
The Nitecore UM4 4-Slot Intelligent USB Battery Charger is a fast and efficient USB charger that can charge up to four batteries with the option to control each bay independently. The charger has a maximum output of 1500mA in a single slot.
The Nitecore UM4 charger is fast and efficient. A USB charger that can charge up to four batteries with the option to control each bay independently. The charger has a maximum output of 1500mA in a single slot - please note, this is only achievable if using a 9V 2A QC 2.0 charging adapter.
The charger will automatically select from 3 charging modes when the battery is inserted, according to the battery type and capacity. Alternatively, the charging parameters can be set manually to meet various charging needs; long-press the 'C' button to enter the charging setting mode.
Note: This is only achievable if using a 9V 2A QC 2.0 charging adapter.
Key Features of the Nitecore UM4 4-Slot Intelligent USB Battery Charger
- Capable of charging 4 batteries simultaneously and controlling each slot independently
- Energy-efficient LCD for real-time charging information
- Capable of manually selecting the charging cut-off voltage and the charging current
- Automatic termination of large/small capacity batteries and automatic selection of appropriate charging current
- Automatic termination upon charging completion
- Reverse polarity protection and short circuit protection
- Over-discharged battery activation
- Li-ion battery restoration
- Overtime charging protection
- Automatic detection of battery internal resistance and display of battery health
- Optimal heat dissipation design
The charger features a charging programme specially optimised for IMR batteries which monitors the entire charging process, ensuring that the cut-off voltage is always within safe limits to extend the lifespan of the battery.
The Nitecore UM4 has a useful LCD which relays real-time charging information.
A short press on the 'V' button will cycle through details on the charged volume and charging time, charging current and battery voltage, battery type, cut-off voltage and charging mode.
The charger offers over-discharged IMR battery restoration. When an over-discharged IMR battery is inserted, the screen will show 'EE EE'; simply long-press the 'V' button to enter restoration mode. The screen will also display 'EE EE' if a short-circuited battery is inserted or the cell is the wrong way round.
The Nitecore UM4 is compatible with the following IMR, Li-ion, LiFePO4 batteries and the following NiMH and NiCd batteries:
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
MPN - UM4
GTIN - 6952506492794