The 7.2V DMW-BLF19 Rechargeable Lithium-Ion Battery Pack from Panasonic has a capacity of 1860mAh, making it possible to shoot hundreds of photographs with your Panasonic GH3, GH4, GH5, GH5S, and G9 digital cameras 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.