GC VitalCharger (USB-C / Micro USB) charger for AA / AAA batteries - charge batteries wherever you are via USB port Independent 4 channel power system allows charging from 1 to 4 AA or AAA batteries simultaneously LEDs provide clear information about the charging status and condition of each battery The GC VitalCharger is compatible with all AA and AAA batteries (Ni-MH) Specification: Voltage: 1.5V Power : 0.5W Intense: 1.2A Overvoltage protection: Yes Color: Black Overload protection: Yes Product code: GRADGC01 Manufacturer: Green Cell Type of plug: Micro USB, USB-C