Hardware GBA GBA SP have any formt to implament a secondary charging circuit?

[Darktreivor]

Hi everyone,
A one year ago a try fix the charging circuit on my old GBA-SP, but no have success...
https://gbatemp.net/threads/gba-sp-charging-slowly.591531/#post-9531531
But find out a mod and where used usb type-c circuit (TP4506) adding on noheinged mod is isolated the original charge circuit.
My question is, the best form to install this circuit in original shell.

Thanks and have good day.