Lithium-ion spare or replacement battery pack for travelling and longer shoots This batterys operating specifications are tailored specifically to the cameras its compatible with This battery communicates with its compatible camera so that you can check the remaining charge, shutter count, and recharge performance in the camera's power source info screen Fits with the LC-E4N battery charger The battery packs weight is 185 g Take a spare battery on your trip, allowing you to extend your shooting time with this high-capacity, rechargeable Lithium-ion battery pack. Enjoy long-lasting shooting performance with compatible selected cameras, this battery pack can be a replacement or additional power source for travelling and long shoots. Battery Product colour Black Compatible products EOS 1D X Purpose Camera Battery capacity 2450 mAh Battery technology Lithium-Ion (Li-Ion)