JETBeam I2 Battery Charger for 26650/18650/16340 Camping and Hiking Equipment, Black 2 independent channels allow for simultaneous charging Capable of 3 different types of charging: constant current (cc), constant charge voltage (CV) and trickle charge Input voltage: AC 100~240V 50/60HZ or DC 12V Input power: 10W Output voltage: 4.2V 1%/1.48V 1%