Watson NP-FW50 Lithium-Ion Battery Pack (7.4V, 1000mAh) -Replacement for Sony NP-FW50 Battery Alpha Series, A580, NEX-3, NEX-3N, NEX-5, NEX-5N, NEX-5R, NEX-6, NEX-7, NEX-C3,NEX-F3, Replacement for Sony NP-FW50 Battery Limited 1-Year Warranty