Fixed adapter from Makita batteries to Ferrex tools. The shape is specifically designed for hand 5W LED light.
Contacts for battery are from aliexpres. The tolerances are low, so the contact block fits snug in the place. Between minus (-) terminal and T terminal connect 10kOhm resistor. Note that with this mod temperature protection of battery is disabled. Screws used are M3 and manually cut to lenght.
The author marked this model as their own original creation.