Powertac Single Bay USB Charger (18650)

Charges and provides extra backup power to devices that supports USB charging. E.g. iPhone, Android, tablets, MP3 players, GPS units, and other devices. Carry multiple batteries with you to get virtually unlimited backup power on the go. Charge port on-board -- charge up your backup batteries from an USB port without carrying a separate charger.

Specifications:

• Will charge rechargeable Li-ion 18650, 18500 batteries.
• Input: 5-12V DC
• Output: 4.2V/1.5V 1A DC
• Discharge: 5V/1A