Use this LC-D421F 4-Bay Simultaneous Battery Charger from SWIT to recharge up to four Sony NP-F series batteries at the same time. The charger includes four NP-F battery plates that can be changed out for other, separately available SWIT plates to suit the batteries in your gear configuration. Each plate features an 8.4V, 2A charging output when four batteries are connected. Four LED indicators for each channel display the real-time capacity level.