DJI RS BG21 Grip provides a powerful operating time of up to 12 hours enough for continuous shooting for most of the day. It supports 18W fast charging with a charge time of just 2.5 hours. It can be used while charging to keep RS 3 powered during use. A quick-release design makes it convenient for replacement and smaller for easier storage. It can even be charged separately from the gimbal.N/AN/AProvides 12-hour operating time with a 2.5-hour charge time. Quick-release design for easy replacement and storage. Can be charged separately.N/AN/A1. The BG21 Grip is not compatible with DJI RS 3 Pro and DJI RS 2.N/A2. Fast charging requires USB-C to USB-C Cable.