The Sony NP-FW50 is a compact, rechargeable lithium-ion battery commonly used in many of Sony's older mirrorless cameras, particularly their APS-C models and earlier full-frame cameras. It's known for its relatively small size and decent capacity for its class

Compatibility:
α3000 series,
α5000 series
α6000 series
α7, α7 II
α7R, α7R II
α7S, α7S II
α55, α33, α35, α37
NEX series

Note: This is a slightly used product extracted from cameras that have surplus batteries but in excellent condition. It is tested and is working perfectly.