Fomito FW50 Dual Digital Battery Charger with LCD Screen Compatible with Sony A7 A7R A6000 A7S A55 NEX-7 NEX-C3 FW50 Rapid dual battery charger / AC adoptor for L-Serises batteries. LCD displays charging status, battery capacity, charging voltage, and USB output voltage. Includes USB(5V, 2100mAh) output to charge Smartphones, Tablets, and other USB Powered Devices. Removable and replaceable battery panels. (Note, others panels need to be purchased more.) Compatible with Sony A7 A7R A6000 A5100 A7S A55 A37 NEX-7 NEX-C3