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Cordless Tool Battery Compatibility Checker – Online Brand Matrix

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Cordless Tool Battery Compatibility Checker

Instantly check if batteries are interchangeable between brands. Compare battery platforms, voltage requirements, and find adapter solutions for your cordless power tools.

Popular Comparisons:
Full Brand Compatibility Matrix
Brand
Same Brand – Native compatible (match voltage) Adapter Available – Third-party adapter exists Same Parent Company – Not directly compatible

Click any cell to run a detailed comparison. Matrix reflects physical battery-to-tool compatibility.

Frequently Asked Questions
Can I use DeWalt batteries on Milwaukee tools?

No, DeWalt 20V MAX and Milwaukee M18 batteries use different physical interface designs and are not directly compatible. However, third-party adapters (available on Amazon and eBay) can bridge this gap — though using them may void warranties and bypass built-in battery protection circuits. Use adapters at your own risk.

Are Ryobi and Milwaukee batteries interchangeable?

No. Ryobi uses a unique stem-style (post) interface on their ONE+ 18V platform, while Milwaukee M18 uses a slide-on rail system. They are owned by the same parent company (TTI) but are not cross-compatible. Adapters do exist in the aftermarket for one-way conversion.

Can I use a higher voltage battery on my cordless tool?

Generally, no — and it's dangerous to try. Using a higher voltage battery than the tool is rated for can damage the motor, controller, and create a fire hazard. The exception is DeWalt FlexVolt (60V) batteries, which automatically step down to 20V when used in 20V MAX tools. Always match voltage ratings.

What happens if I use an incompatible battery?

Physically, the battery won't fit due to different interface designs. If forced or adapted, you risk overheating, short circuits, tool damage, battery damage, and personal injury. Battery management systems (BMS) are designed for specific tool electronics. Always use manufacturer-approved batteries.

Are there adapters for using different brand batteries?

Yes, a wide variety of third-party battery adapters exist on platforms like Amazon, eBay, and AliExpress. Common adapters include DeWalt-to-Ryobi, Makita-to-DeWalt, and Milwaukee-to-DeWalt. However, these are not OEM-approved, may lack low-voltage protection, and can void your tool warranty. Badaptor and PowerWheels adapters are among the more reputable options.

Which cordless tool brands share battery compatibility?

Almost none. Every major brand uses its own proprietary battery interface. Even brands under the same parent company (e.g., DeWalt + Craftsman under Stanley Black & Decker, or Ryobi + Milwaukee under TTI) are not cross-compatible. The only true compatibility exists within the same brand and same voltage platform (e.g., all DeWalt 20V MAX tools work with all DeWalt 20V MAX batteries).

Can Craftsman batteries work with DeWalt tools?

No. Although both Craftsman V20 and DeWalt 20V MAX are owned by Stanley Black & Decker, they use different physical interfaces and are not directly interchangeable. Third-party adapters exist but are not officially supported. Craftsman V20 batteries are designed for the Craftsman V20 ecosystem only.

What is the most universal cordless tool battery platform?

There is no truly universal platform, but Ryobi ONE+ 18V stands out for having 225+ compatible tools on a single battery platform, and Ryobi has committed to backward compatibility since 1996. DeWalt 20V MAX and Makita LXT 18V also have very extensive tool ecosystems (200+ tools each). For sheer breadth within one brand, these three lead the market.

Are Makita and DeWalt batteries interchangeable?

No. Makita LXT 18V batteries use a slide-on design with different rail dimensions and terminal placement than DeWalt 20V MAX batteries. They are not physically or electrically compatible. Third-party adapters are available if you need to use one brand's battery on the other's tool, but this is an aftermarket solution only.

Can I use old batteries with new tools from the same brand?

In most cases, yes — as long as the voltage platform matches. Ryobi is famous for its backward compatibility: all Ryobi ONE+ 18V batteries work with all ONE+ tools, new or old. DeWalt 20V MAX batteries work with all 20V MAX tools. However, old NiCad batteries may not fit newer Lithium-ion chargers due to different charging requirements. Always check your specific model.

Do battery adapters void warranty?

Yes, almost certainly. Using a third-party adapter or non-OEM battery on your tool will void the manufacturer's warranty if damage occurs. Manufacturers like DeWalt, Milwaukee, and Makita explicitly state that only their approved batteries should be used. Additionally, battery adapters often bypass the tool's built-in protection circuits, increasing the risk of damage.

How to identify my cordless tool battery type?

Check the label on the battery for the brand name and voltage rating (e.g., "DeWalt 20V MAX", "Milwaukee M18", "Makita 18V LXT"). The physical interface shape is also a clue: slide-on (most brands), stem/post (Ryobi), or tower (some older designs). The battery model number (usually printed on the bottom or side) can be searched online to confirm the platform. When in doubt, consult the tool's user manual.

Cordless tool battery compatibility matrix covering 12 major brands including DeWalt, Milwaukee, Makita, Bosch, Ryobi, Ridgid, Craftsman, Black+Decker, Kobalt, Hilti, Metabo HPT, and Festool.

Battery platforms: 20V MAX, M18, M12, LXT 18V, CXT 12V, XGT 40V, ONE+ 18V, FlexVolt 60V, V20, Nuron 22V, MultiVolt 36V. Always verify voltage and physical interface before purchasing batteries or adapters.

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