Nitecore I8 Charger is a universal, intellicharger compatible with almost all types of rechargeable batteries. It monitors and charges each of the 8 slots independently, automatically detects power level of batteries and selects the appropriate voltage and charging mode. It also supports USB output so that the I8 can charge your electronics directly. Specification: Size: 117mm*101mm*134.5mm Input: AC 100-240V 50/60Hz 0.6mA(max) 30W DC 12V 3A Output voltage: 4.2V±1%/1.48V±1%(battery); 5V±5% (USB) Output current: 1.5A*2, 1A x 4, 0.75A*4, 0.5A*8; 5V*2.1A (USB) Compatible with Li-ion/IMR: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500,13650, 14350, 14430, 14500, 14650, 16500, 16340(RCR123),16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500,18650,22500, 22650, 25500, 26500, 26650 Ni-MH(NiCd): AA, AAA, C, D Plug:US Unit:1Set Shipping Weight:1038g Package:Gifts Box