Olympus BLH-1 Lithium Ion Rechargeable Battery contains 1720 mAh of power. This battery is compatible with the E-M1 Mark II and HLD-9 Power Battery Holder.
Note: Use an authentic Olympus BLH-1 battery with the BCH-1 charger for optimal battery life and consistent charging performance. Using anything other than a genuine Olympus battery might result in poor performance and loss of features.