1. Operating voltage: 5V 2. Battery capacity: 1800mAh 3. Pulsant style charging 4. Red/green indicator lights 5. Charging time: 6.5h 6. Battery under-voltage,over-voltage,over-current Protection Includes : ->2NI-MH rechargeable battery packs ->2 Rechargeable enabled battery cover ->1 Dual charge Station ->1 USB connection cable(1.2meters)