EforTek NP-FW50 Replacement Battery (2-Pack) and Charger Kit for Sony NP-FW50 and Sony Alpha 7, a7, Alpha 7R, a7R, Alpha a3000, Alpha a5000, Alpha a5100,Alpha a6000,Alpha a 6300,NEX-3, NEX-3N, NEX-5, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7, NEX-C3, NEX-F3, S