Panasonic Lithium Ion 4-Hr & 30-Min 1360mAh Battery for PV-GS19, GS31, GS35, GS65, GS150 & GS250 Camcorders 4.5-hour battery Lithium-ion chemistry is free from memory effects For PV-GS120, PV-GS200, PV-GS400, and VDR-M50/VDR-M70