Nitecore charger UM4 - 4 slots - black


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The Nitecore UM4 Intelligent Charger has four slots to charge independently 4 batteries of different kinds with the maximum output of 3A, i.e. 1.5A per slot. The charger reads automatically the battery type and is safe, because it is equipped with many protections. It is also possible to set charging manually.

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Product type: Charger

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, 2500, 22650, 25500, 26500, 26650, 26700; Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D (not included)

Size:159 mm × 107 mm × 41 mm

Automatic current selection based on battery capacity

Charging status indicator

Real‑time Charging information

Internal resistance and battery health detection

Over‑discharged Li‑ion battery activation

Over‑discharged IMR battery restoration

Automatically stops charging upon charging completion

Reverse polarity protection and short circuit prevention


1 x NiteCore UM4

1 x USB cable