The IDX System Technology SL-F70 9900mAh Sony L-Series Battery is an extra high-capacity 7.2V Lithium-Ion battery with all equipment and accessories using the Sony L-series battery. The SL-F70 battery features a USB output and X-Tap output, capable of charging the battery or powering 7V accessories (X-Tap charger, LC-XT1, is necessary to charge through the X-Tap port). Other compatible chargers: IDX’s LC-2A 2ch simultaneous charger with interchangeable plates.