Specifications:

Input Voltage: 5V 2A
Output Voltage: AA: 1600mA (1-2 pcs), 800mA (3-4 pcs), AAA: 800mA (1-2 pcs) and 400mA (3-4 pcs)
4 Independent charging channels to charge 1-4 pcs of AA/AAA Ni-MH/Ni-Cd
LED Indicators for battery status. 6 Level Charge Protections
Timer control, over temperature and reverse polarity protection
Input Voltage: 5V 2A (USB). Output Voltage: Max 1600mA, 800mA and 400mA