For those interested in the adding wireless charging to the Sanwa MT44 these are the required parts:
Micro USB Wireless Charging Pad
Micro USB LiPo Charger Module
MT44 Lipo Battery
Ensure you select the same connector type for the wireless charging pad and the lipo charger board i.e. Micro USB.
You should be able to follow the guide below to make this mod, parts may vary slightly.