Adapters Proudly Made in the USA.

• Adapters are made of glass reinforced nylon 6 (PA6-GF30) which is the same material the drills are made out of.
  
• Adapters have 6 countersunk bolt/screw holes for mounting on walls, vehicles, etc…, bolts/screws not included.
  
• Adapter has 2 6.3 mm brass male spade connectors over molded into the adapter that you plug your wires into.
  
• Terminals are 20 gauge yellow brass which is 70 percent copper 30 percent zinc for high power applications.
  
• Adapters have pluses and minuses on both sides of them indicating the positive and negative terminals.
  
• Adapter is based on my best selling 3d printed model but this is 5x stronger, and can be used outdoors.
  
• DISCLAIMER THESE UNITS DON’T HAVE ANY PROTECTION CIRCUITS OR CERTIFICATES, USE AT YOUR OWN RISK.
  
• The following bullet points are directions on how to use this injection molded Milwaukee M18 battery Adapter.
  
• The first step is to mount the adapter where you want it, the holes are for M4, #8, or other flat head screws.
  
• Run your preferred wire (silicone, pvc, pe, nylon etc…) and preferred gauge (10, 12, 14, 16 etc…) to the adapter.
  
• Solder wires onto brass terminals or crimp female 6.3 mm spades onto your wires, and plug them into the adapter.
  
• You can run your wires horizontally or vertically out of the adapter, vertically stays inside the adapter for a low profile.
  Additional helpful Information
  
• You can connect most batteries in parallel and/or series if the batteries are exactly the same.
  
• If you don’t want to over discharge your battery use a digital low voltage protector disconnect
  
• If you want a higher voltage like 24, 36, 48, or 60 volts use a dc to dc step up boost converter
  
• If you want a lower voltage like 5 or 12 volts use a dc to dc buck converter
  

Adapter slides on your battery easily and locks on just like a drill would
Adapter gives you access to the electrical terminals for electrical projects
Adapters are Injection Molded with Nylon 6 Reinforced with glass fibers.
These adapters are Heavy duty and can be used indoors and outdoors
The mold, stamp, brass terminals, and adapters were made in the USA

Product summary

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Price last updated Jun 25, 2026 16:01:10 UTC. Availability and price subject to change. More info

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