The removable fast-charge grip supplied with DJI RS 5.
The 2150 mAh, 33.29 Wh BG33 Battery Grip powers DJI RS 5 for up to 14 hours of rated standby time. It can fully recharge in about one hour at 25° C with a 65W charger that supports PD. Actual operating time is shorter while the gimbal is moving.