Osmo Action Multifunctional Battery Case 2

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.

Dimensions:
116.2×59.2×22.9 mm (L×W×H) 
Weight: 110 g

Compatibility:
Osmo Action 5 Pro
Osmo Action 4
Osmo Action 3