DJI Osmo Action Multifunctional Battery Case

Stores three batteries and two microSD cards. Intelligently fast charges three batteries, and can be used together with those batteries as a power bank to charge other devices like a smartphone. Compatibility: OSMO Action 3, OSMO Action 4 In The Box: Osmo Action Multifunctional Battery Case × 1 Compatible only with the Osmo Action Extreme Battery, not compatible with the Osmo Action Extreme Battery Plus (1950 mAh).