DanFino Posted June 20, 2019 Share Posted June 20, 2019 (edited) Hello I bought a flip key case from Germany from eBay. It looks quite good quality but the battery compartment seems to be a cr2025 or cr2016 size The battery in my keys is smaller than this. Yet I have done of the batteries I've mentioned above and they fit in the new case. Did I buy the wrong one? Or should I buy a different key as a donor for the internals? TIA Edited June 20, 2019 by DanFino Quote Link to comment Share on other sites More sharing options...
EzeePzee Posted June 20, 2019 Share Posted June 20, 2019 If I remember rightly, its a cr2016 battery that’s needed. What size is the battery in yours? There are several revisions of the Nissan key, with different PCBs internal. I suppose it’s possible that there was a variation on battery too. They should all be 3v (check this) and the battery numbers just refer to diameter and thickness. (In this case 20=20mm diameter and 16= 1.6mm thick) Sometimes batteries are doubled up - is 2 x cr2016 = 1 x cr2032. Quote Link to comment Share on other sites More sharing options...
DanFino Posted June 20, 2019 Author Share Posted June 20, 2019 Hiya. Cheers for the response. In the cars key the battery has a diameter of like 10-12mm I'd guess. The new key case has a slot for the 20mm ones you mention. I was fairly confused. Quote Link to comment Share on other sites More sharing options...
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