LIR2032 Charger

thingiverse

This is a charger for using a TP4056 from china modified to enable charging LIR2032 batteries. As per some forums, you've to replace one of the resistors by a 33K one. I used 2 66k in parallel because I didn't have other; it doesn't look terrible and they stay below the usb socket. The one charger I had was one like this: [aliexpress non affiliate](https://www.aliexpress.com/item/1005001567784022.html?spm=a2g0o.productlist.0.0.4c694f56FQpPFr&algo_pvid=06158f77-98b2-4616-8c5e-c58e8a67c49e&algo_expid=06158f77-98b2-4616-8c5e-c58e8a67c49e-2&btsid=2100bdde16083711058415375edcae&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_); nonetheless, I've included the "source" (FreeCad) in case you want to modify it. The cables solded to the module are network cable which is rigid enough