The Nitecore UM4 Battery Charger is a fast and efficient USB charger that features 4 battery bays, with the option to control each battery individually. 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.

• Input: AC 100~240V 50/60HZ
• Output voltage: 4.35V±1% / 4.2V±1% / 3.7V±1%/1.48V±1%
• QC Mode: 1500mA*1 (MAX), 1500mA*2 (MAX), 750mA*4(MAX)
• Standard Mode: 1500mA*1 (MAX), 1000mA*2 (MAX), 500mA*4 (MAX)
• Compatible With: 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