The high-capacity DMW-BLB13 Rechargeable Lithium-ion Battery powers the Panasonic SLR Digital Camera. It features Lithium technology, which ensures maximum battery life and maximum power. It also features No Memory Effect that lets you recharge partially drained batteries without reducing performance. The SDDMWBLB13 mini battery charger is specially designed to replace the Panasonic BL-B13 battery. Its compact size will make it easy to travel with. Just insert it into your camera, no wires to carry or trip over.