Output voltage: DC AA 1.2V*4 300mA, DC AAA 1.2V*4 200mA.
USB powered charger: built-in protections against overcharging short-circuits.
Power indicator: Charging protection, automatic stop after full charging.
Smart 4 slot charger: Recharges NI-MH 1.2V AA AAA rechargeable batteries, single charging, dual charging, mixed charging.
Convenient Battery Charger: Work with USB port, powered by , computer power etc.