DSTE&reg; 3x ABT2W Rechargeable Li-ion Battery For CISCO Flip UltraHD 8GB 4GB | 2 hr Battery Type : Li-ion Battery Capacity : 7.0Wh/1900mAh Output Voltage : DC 4.2V (max)/ DC 3.6V (mean) Compact and Lightweight Spare Battery High Capacity for Stamina