About this 3D model

whoopstor 3 slim otg charger i tried to create an adapter to charge on the go without damaging the batteries it is removable and doesnt modify the charge its self i have relesed now because im not the best at cad and it could do with improvements and hoping someone will take intrest in improveing it i have included the cad file to make it easy to modify links to wiring/conectors https://www.aliexpress.com/item/1005010745622278.html?spm=a2g0o.orderlist.orderlistmain.10.34c51802CAVwf9 https://www.aliexpress.com/item/1005004465425088.html?spm=a2g0o.orderlist.orderlistmain.16.34c51802CAVwf9