The Panasonic VW-VBG260 Rechargeable Battery is compatible with selected types of Panasonic digital camcorders.This Panasonic camcorder battery is a Lithium-ion 2640 mAh rechargeable unitConsumes only a minimal power of 7.2V for rechargingThis Lithium-ion battery works well with HDC-SDT750K, HDC-HS700K, HDC-TM700K and certain other HD, SD , PV series camerasThe Panasonic VW-VBG260 Rechargeable Battery requires a VW-VH04 battery pack holder kit to be compatible with SD5, SD1, H60, H40/41, and other models