About this item: Compatible Brand: For GoPro Capacity: 1100 mAh Type: Battery Compatible Series: For GoPro HERO Compatible Camera Type: GoPro Capacity: 1100 mAh Brand: GoPro Chemical Composition: Li-Ion More information: Extending the life of GoPro HERO, the battery BacPac is a remvable battery pack that seamlessly attaches to the back of camera. This version features a 15% boost in capacity compare to the previous model- perfect for all day adventures, marathon surf sessions, or any application where you need more battery life than the internal battery alone can provide. It's also deal for activities where you can charge it with any standard USB charger. USB cable can be used for charging and BacPac Backdoors.