SD-DMWBLB13 Rechargeable Lithium-Ion Battery - Replacement for Panasonic DMW-BLB13 Battery Replacement battery for the Panasonic DMWBLB13, Lithium-Ion (Li-ion) 7.4V (1500mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark