SmilePowo NP-FW50 Battery for Sony Alpha 7 7R 7R II 7S a7R a7S a7R II a5000 a5100 a6000 a6300 NEX-7 SLT-A37 DSC-RX10 DSC-RX10 II III 7SM2 Digital Camera Rechargeable lithium-ion battery for Sony Rated at 7.4V, 1380mAh and 10.2 Wh Premium Japanese cells for longer battery life with no memory effect Fully compatible with the Sony camera, camcorder and charger Every SmilePowo battery comes with 30-day money back guarantee and 12-month manufacturer warranty