niceEshop(TM) DMW-BGGH3 Battery Grip Replacement for Panasonic DMW-BGGH3 Lumix GH3 Lumix GH4 Compatible with Lumix GH3, Lumix GH4 Cameras Replacement battery grip for Panasonic DMW-BGGH3 Worked with 1pcs DMW-BLF19 Battery, Extra power for your digital video camera / camcorder Can effectively double your Shooting Time