The DJI Osmo Action Extreme Battery Plus (1950mAh) is designed for the Osmo Action 5 camera, offering up to 4 hours of recording. It's compatible with Osmo Action 4 and 3 (with firmware update). With fast charging, 15 minutes provides up to 2 hours of runtime. The cold-resistant battery can last 3.6 hours in temperatures as low as -20°C and can be charged in-camera or via standard/PD chargers.