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