PowEver AC-PW20 replacement AC Power Adapter / Charger Kit for Sony Alpha NEX-5 NEX-5A NEX-5C NEX-5CA NEX-5CD NEX-5H NEX-5K NEX-3 NEX-3A NEX-3C NEX-3CA NEX-3CD NEX-3D NEX-3K SLT-A33 SLT-A33L Cameras Rated Input: 100-240V, 50/60Hz, Output: 7.6V , 2A This device works greatly for long time video shooting, you don't need to charge and replace for batteries time by time It comes with An USA plug charging cable, an adapter, and a DC coupler