Case/dock to refresh Xbox 360 controller batteries

thingiverse

The play&charge kits for my Xbox 360 controllers have weak batteries that no longer hold charge. However, by using a more efficient charger designed for lipo, nicd or nimh batteries, the battery performance can be restored to at least 90% of its capacity (lasting up to two weeks on a single charge). To do this, you may need an old Xbox 360 controller (a broken one could work), and there might be a possibility that this part can also be printed. You can refer to a video in Spanish for further guidance: https://www.youtube.com/watch?v=OwgZ_S2whiA