Vivitar NP-FW50 Ultra High Capacity 1200mAh Li-ion Battery for SONY Alpha A7, A7R, A3000, NEX-7, NEX-6, NEX-5N, NEX-5R, NEX-5, NEX-F3, NEX-3N, NEX-C3, NEX-3, Cyber-Shot DSC-RX10, SLT A55, A37, A35, A33 (Sony NP-FW50 Replacement)