Battery Nikon 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 Compatible Battery Part Number: Nikon EN-EL20 ENEL20 - Capacity: 800mAh - 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.