This battery is fully decoded. The camera's low battery indicator is working and the battery can be charged with the original charger. Technical specifications: Capacity: 2040mAh / 7.4V / 14.9Wh Type: Li-Ion Brand: Patona Suitable for the following camera types: Olympus OM-D,EM-1 Mark 2, EM-1 Mark II,EM-1 Mark 2, EM-1 Mark II,E-M1X This high quality battery for Olympus BLH-1 is from the premium series of the popular German brand Patona. It was developed to meet the needs of demanding customers. The newly created Patona Premium Series is aimed at the professional photographer segment and specialist photo shops, among others. Thanks to the particularly long battery life, this premium battery is also intended for any other type of professional use. It goes without saying that the Patona brand is produced under the highest quality standards. However, in order to take a further step towards quality leadership and increase customer satisfaction, Patona has once again sharpened its quality awareness and launched the new long-life Patona Premium Battery series.