Makita 18v to AEG/Ridgid battery adapter by GunSmoker

Last crawled date: 4 years, 3 months ago

This is an adapter to use Makita 18V batteries in AEG (Ridgid) tools.
This adapter uses geniune Makita terminals pad (such as 643852 or 643838). If you don't have it - either purchase it, or print/make it yourself - seehttps://www.thingiverse.com/thing:863257
Important: DO NOT use this adapter with any AEG/Ridgid chargers!!!!
Important: Makita's battery without star symbol does not have over-discharge protection in the battery. Use carefully with this adapter and AEG/Ridgid tools, as a tool can drain battery completely - making it unusable. Always check remaining charge when using batteries without star symbol.
Parts are oriented in assembly orientation. I suggest to rotate parts to optimize supports. I recommend to print parts by placing internal side on the bed, so when you connect both parts together - they will fit nicely, two flat surfaces will match without gaps.
You will need:
Two metal strips with approximate size 6x32 mm:
You can cut strips from flat metal sheet / fixture from your local hardware storage.
Nickel-plated strips for welding 18650 is also an option.

Some thick wires - no more than 3mm in diameter (including isolation).
Makita terminals pad.
One or two weak springs. The holes are 6x13 mm, so 5.55x17.46 spring should fit nicely. You can shorten / cut spring if it will be too strong.
4 self-tapping screws or normal screws + tapping tool. M3 or M4 are best, M5 is probably an option. Screws should not be longer than 18 mm.
Hot glue or other adhesive (epoxy is an option).
Soldering iron.