Olympus
BLS-50 Li-ion Rechargeable Battery
For Olympus OM-D E-M10 (mk I, mk II, mk III) & E-M5 mk III
The Olympus BLS-50 is a rechargeable Li-ion battery for select Olympus OM-D mirrorless cameras. This is a replacement for the BLS-5 battery and is compatible with the BCS-5 Charger. It features 7.2V of output power, a capacity of 1210mAh, and a rating of 8.712 Wh.