Battery Panasonic DMW-BLH7 / DMW-BLH7E with Infochip &middot; 100% compatible with Panasonic Lumix DMC-GM1 Lithium-Ion Technology - No memory effect Compatible Battery Part Number: Panasonic DMW-BLH7 - Capacity: 600mAh - 7.2V Full Coded Version: Show Battery Level in Camera LCD - can be charged by your original Charger Design and technical concept by PATONA, Germany.