Replacement battery for the Olympus OM-D E-M1, PEN E-P5, OM-D E-M5 & OM-D E-M5 Mark II camera. It is a 1220mAh rechargeable lithium-ion battery that is only able to be recharged with the BCN-1 Battery Charger. The recharging time is approximately 3 hours. With an additional BLN-1 you will never miss a shot caused by an empty battery. Perfect for longer shootings with the HLD-6 / HLD-7, HLD-8 or while travelling without a possibility of recharging.