The Panasonic Battery DMW-BLF19 Lithium-ion (GH3/GH4/GH5) has a capacity of 1860mAh, which allows you to shoot hundreds of photos with the Panasonic GH3 or Panasonic GH4, or GH5 on a single battery charge. The Panasonic Battery DMW-BLF19 Lithium-ion (GH3 or GH4 or GH5) is rechargeable and boasts 7.2V. The GH3/GH4/GH5 battery is small and lightweight and has no memory effect so you can charge partially drained batteries without reducing overall performance