AA rechargeable AAA rechargeable NiMH (nickel-metal hydride) NiCd (nickel-cadmium) Li-ion (Lithium-ion)
Charges batteries inside devices that are charged by USB
1) Voltage rating between 3.6v - 7.4v 2) Batteries aren't wider than 50mm (size of open charging tray) 3) Batteries are rechargeable (NiMH, NiCd, Li-ion) 4) Batteries have flat contacts (see video for example)
The charger has a USB power port that can be used to charge any device that can be charged via USB.
The above list is standard specs for most consumer grade batteries in Digital Cameras Camcorders Cell Phones PDAs MP3 Players GPS Units Consumer Electronics
Compatibility: 100~240V Automatic adapts to voltage. Dimensions: 105.17 x 60.12 x 27.11mm (LxWxH) Condition: Brand New, OEM Equivalent made in China. Type: AC/DC Battery Charger Quantity: 1