CREJOY&trade; 2 Packs NP-FW50 1200 mAh Rechargeable Sony Battery for Sony NP-FW50 Power Battery 2 Pack Extended Life Replacement Battery Pack For Sony NP-FW50 2300mAh! For The Sony NP-FW50 and Sony Alpha 7, a7, Alpha 7R, a7R, Alpha a3000, NEX-3, NEX-3N, NEX-5, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7, NEX-C3, NEX-F3, SLT-A33, SLT-A35, SLT-A37, SLT-A55V No Memory Effect - Lets you recharge partially drained batteries Battery specification - Rated at 7.4V - 1200mAh Each for a long battery life. TESTED INDEPENDENTLY FOR SAFETY - CE Certification. HAVE A PROBLEM? LET US KNOW! We take care of our customers just email us