2x BLX-1 USB-C 2500mAh Battery for Olympus OM System OM-1, OM-1 Mark II, OM-3
For Olympus OM System OM-1, OM-1 Mark II, OM-3. USB Type C charging cable not included. Inbuilt into each Dot.Foto battery is a safety system which gives short circuit protection and prevents the battery from overheating.