Case for your spare Sony camera battery, NP-FW50 (or compatible). The battery easily slides into place and the case snaps it in place, and will hold it there until you pull it out. On the rear side it has a slot for attaching it to the camera strap so you always have it handy when needed. It can of course be used without a strap and will still protect the battery from bumps and scratches if you keep it in your pocket or bag. The case has a recession for the battery pins for maximum protection, which will offload any pressure put on the pins if dropped or hit. Fits batteries for the Sony Alpha A5000, A6000, NEX-3, NEX-5, NEX-6 and NEX-7 series cameras, or any other cameras that use the InfoLITHIUM W-series battery.v5 - UNTESTED Stronger clips that holds the battery in place. Note that there has not been a single case reported of the battery falling out on v4, and the clips on v5 may prove too stiff, depending on the material of choice and infill settings.Ready to be printed without support. Case in photo (v4) is printed in PLA, 0.1 layer height, then painted the Alpha logo with a gold felt pen. Note that I have some layer issues with my printer, the irregularities are from the printer, not the model.