Bundle - 2x Battery EN-EL20 with Infochip &middot; 100% compatible with Nikon 1 J1 | 1 J2 | 1 J3 | 1 S1 | Coolpix A Lithium-Ion Technology - No memory effect - Capacity: 1150mAh, Voltage: 7.2V Compatible Battery Part Number: Nikon ENEL20, EN-EL20 Full Coded Version: Show Battery Level in Camera LCD - can be charged by your original Charger Design and technical concept by ExtremeWolf, Germany.