This is the DMW-BLC12 Rechargeable Lithium-ion Battery from Panasonic Small and lightweight, Lithium-ion batteries can be charged or discharged at any time without developing memory effects.
Technical Specifications:
Brand: Panasonic
Model: DMW-BLC12E
Power: 7.2V
Capacity: 1200mAh
Compatibility: Lumix DMC-GH2, DMC-G5, DMC-G6, DMC-G7 DMC-FZ200, DMC-FZ1000 Digital Cameras