The 7.2V DMW-BLF19 Rechargeable Lithium-ion Battery Pack from Panasonic has a capacity of 1860 mAh, making it possible to shoot hundreds of photographs with your Panasonic GH5 GH4 GH3 digital camera on a single battery charge. The battery is compact and lightweight, with no memory effect - so you can recharge partially drained batteries without reducing overall performance.