Panasonic CGA-DU12 Battery. This is a 7.4 Volt 1440.00 mAh, Li-Ion Battery. Dimensions: 1.64 x 1.42 x 1.18. This battery delivers 6% more power than the original. Comes with 12 months warranty and 30 day money back guarantee on Panasonic CGA-DU12 Battery