I made these batteries for a friend who is a roofer, and he brought me two because the mini USB power connectors were ripped off, so I looked for a solution so he wouldn’t have this problem anymore.
Connecteurs d'alimentation 3.5x1.3mm :
https://fr.aliexpress.com/item/1005003324016159.html?spm=a2g0o.order_list.order_list_main.45.21ef5e5bBRGX7x&gatewayAdapt=glo2fra
The author remixed this model.