SeaLife Replacement Battery For DC2000 Camera, Genuine SeaLife SL7404 Spare Li-Ion Battery. {Technical} !!SeaLife DC2000 Camera Spare Li-Ion Battery #SL7404 – Technical The powerful 3.7V 1130mAh 4.2Wh Rechargeable Li-Ion Battery is good for 2 hours of operation. The battery can be charged inside the camera through a USB cable and wall charger. Fits SeaLife DC2000 Camera 3.7V 1130mAh 4.2Wh Rechargeable Lithium Ion Battery