Product details:

The Panasonic Lithium-ion Battery Pack is specifically made for use with Lumix Digital Cameras. Essentially double your shooting time and never miss the opportunity to capture any of life's fleeting moments.Use this as a spare or as a replacement for your lost or missing battery. For Panasonic Lumix digital cameras.Lithium-ion type .1200 mAh capacity.7.2 V output voltage.8.7 Wh Watt hours.Rechargeable lithium-ion battery for select Lumix digital cameras
Voltage: 7.2V
Capacity: 1200mAh
Compatible with dmc-gh2