AR18ML Ridgid AEG 18V Battery Adapter for Milwaukee M18 Tools

Use Your Ridgid / AEG 18V Batteries on Milwaukee M18 Cordless Tools

The AR18ML Battery Adapter is the smart, no-fuss solution for cordless tool users who own both Ridgid or AEG 18V batteries and Milwaukee M18 18V power tools. Instead of buying duplicate battery packs, simply slide your existing Ridgid or AEG 18V lithium-ion battery into this compact adapter and plug it straight into any compatible Milwaukee M18 18V tool — it's that easy.

Key Features

• Wide Compatibility: Designed to connect Ridgid & AEG 18V Li-ion (hyper lithium) batteries to Milwaukee M18 18V cordless tools, so your existing battery investment works harder across your whole tool collection.
• Extended Runtime: Take advantage of the extended run-time of high-capacity Li-ion batteries on your 18V Milwaukee tools without the cost of a second battery platform.
• PCB Included: The built-in PCB (printed circuit board) ensures a stable, protected connection between your battery and tool for reliable performance every time.
• Premium ABS Construction: Built from high-quality ABS plastic for a solid, durable feel that stands up to the demands of a busy job site or workshop.
• Plug-and-Play Design: No tools, no wiring, no guesswork — insert your Ridgid/AEG 18V battery into the AR18ML adapter, then seat both into the base of your Milwaukee M18 tool and get to work.
• Lightweight & Portable: Compact form factor makes it easy to toss in your tool bag and take anywhere.

Specifications

• Model: AR18ML
• Color: Black
• Material: ABS Plastic
• Voltage Range: Low voltage non-USB (below 75V DC / below 50V AC)
• PCB Included: Yes
• Battery Included: No
• Charger Included: No
• Made in: Mainland China

What's in the Box

• 1 × AR18ML Battery Adapter

Important Notice: This adapter is for tool use only — it cannot be used to charge batteries and must never be connected to a charger. Always use the original battery charger that came with your Ridgid or AEG battery.

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Frequently Asked Questions

Q: Which batteries are compatible with the AR18ML adapter?

A: The AR18ML adapter is compatible with Ridgid and AEG 18V Li-ion (hyper lithium) batteries. It allows you to use these batteries in Milwaukee M18 18V cordless tools. Standard, compact, and high-capacity 18V lithium packs from the Ridgid/AEG platform are supported — battery not included.

Q: Which Milwaukee tools will this adapter work with?

A: The AR18ML is designed to fit Milwaukee M18 18V cordless tools. It is intended for power tool use only. Always verify the battery connector slot on your specific Milwaukee M18 tool before use.

Q: Can I use this adapter to charge my Ridgid or AEG battery through a Milwaukee charger?

A: No — the AR18ML is strictly a power delivery adapter for tool operation. It cannot be connected to any charger. To charge your Ridgid or AEG battery, always use the original charger designed for that battery platform.

Q: Is there any electronics protection built into the adapter?

A: Yes. The AR18ML includes a PCB (printed circuit board) to help maintain a stable and protected connection between the battery and the tool, supporting consistent performance during use.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.