VW-VBK180 Lithium-ion Battery - Ultra High Capacity (2000 mAh 3.7V) - Replacement for the Panasonic VW-VBK180 Camcorder Battery Replacement battery for the Panasonic VW-VBK180, Lithium-Ion (Li-ion) 3.7V (2000mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark