The DJI Extreme Battery 3-Pack includes three DJI Extreme Batteries.
The DJI Extreme Battery is a lithium-ion polymer battery with a capacity of 1770mAh/6.81Wh and a power output of 3.85V. It’s capable of powering your Osmo Action 6, Action 5 Pro, or Action 4 for 160 minutes and can be charged in-camera or with an optional charger.