With these extra batteries for GoPro camcorders, you don't need to fear that you'll miss the perfect shot. This spare battery will be useful for long holidays. You need only to insert it into the camcorder and you can continue shooting. On top of that, this is an original battery. Therefore, you do not have to worry about loss of capacity or poor compatibility. This GOPRO battery has an overall capacity of 1220 mAh. This GOPRO battery uses a voltage of 3,85 V. This battery uses a Lithium-ion (Li-ion) power cell.