The Olympus BLH-1 Lithium-Ion Battery is a reliable spare or replacement power source designed specifically for the OM-D E-M1 Mark II mirrorless camera. Featuring a 7.4V output and a 1720mAh capacity, this rechargeable battery delivers long-lasting performance for extended shooting sessions, making it ideal for travel, events, and professional photography. Its lithium-ion construction allows it to be repeatedly charged and discharged without suffering from memory effect, helping maintain consistent performance over time. The battery can be conveniently recharged using the compatible BCH-1 Battery Charger, ensuring your camera is always ready for the next shoot. | Olympus | | BLH-1 1720mAh Rechargeable Lithium-Ion Battery for OM-D E-M1 Mark II Mirrorless Camera | Black | Best Buy