AC-PW20 Adapter PW20 DC Coupler Gonine (NP-FW50 Battery Replacement) 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