Panasonic VW-VBK360 Camcorder Battery - Premium Superb Choice&reg; 3.7V Li-ion battery Product type: LI-ION, Voltage: 3.7V, Capacity: 3400mAh Replacement for Panasonic VW-VBK360 High quality Li-Ion battery, Best replacement for the original battery. 1 year replacement warranty, 30-day refund guarantee after the purchase.