NP-FV50 Rechargeable Battery Pack For Sony Camcorders The NP-FV50 InfoLITHIUM V Series Battery Pack (1030mAh, 8.4V) is a replacement or spare battery pack for your Sony compatible camcorder. This InfoLITHIUM battery works with the camera to display remaining battery power, so you're never surprised when out on a shoot. When used with an optional AC-VQV10 charger, the FV50 charges faster than the original battery your camcorder came with. Capacity: 15% capacity increase over the NP-FH50 battery with Quick Charge capability