DOT-01 3X Brand Replacement for Sony NP-FW50 Batteries and Dual Slot USB Charger Compatible with Sony A7 II Digital SLR Camera and Sony FW50 100% COMPATIBLE with the original Sony NP-FW50 battery and charger and Sony A7S, A7 II, A7, a7R, NEX-7, NEX-5R, NEX-5N, NEX-F3, NEX-C3, NEX-6, NEX-3N, SLT-A3000, NEX-5T, DSC-RX10, SLT-A5000, SLT-A6000, SLT-A5100, NEX-5K, SLT-A37, SLT-A55V, SLT-A35, SLT-A33, GET MORE SHOTS FOR LESS compared to the original Sony FW50 with this replacement for Sony FW50 battery 30 Days satisfaction guaranteed & One Year Defects Warranty included with our replacement for Sony FW50 battery bundle BEST BANG FOR YOUR BUCK compared to the original manufacturer equipment or other high priced generic brands HALF THE CHARGING TIME with DOUBLE THE CHARGING SLOTS - Charge two batteries simultaneously with our new dual slot USB replacement for Sony BX1 charger