Power your X4 Air 8K action camera with this Rechargeable Battery from Insta360. With a capacity of 2010mAh, this battery ensures you can capture all the action in 8K for up to 88 minutes. This lithium-ion battery can be recharged to 100% in less than an hour for continued use in the camera or with a separately available charging case. It is rated for use in cold temperatures down to -4°F.