Are DeWalt 18V and 20V MAX batteries the same?

Yes, DeWalt 18V XR and 20V MAX are the same battery system — 18V nominal, 20V maximum. The naming differs between UK/EU (18V) and US (20V MAX) markets.

Can I use DeWalt FLEXVOLT batteries in 18V tools?

Yes, FLEXVOLT batteries are backwards compatible with all DeWalt 18V XR tools. They automatically switch between 18V and 54V depending on the tool.

Are DeWalt batteries compatible with other brands?

No, DeWalt batteries only work with DeWalt tools. Cross-brand adapters exist but are not recommended by DeWalt.

DeWalt Battery Compatibility - Tool Compatibility

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DeWalt Battery Compatibility

DeWalt’s cordless range centres on the 20V MAX platform, with FLEXVOLT providing a higher-power option that also works in 20V MAX tools. Select your platform below for a full guide.

DeWalt Platforms

DeWalt 20V MAX Battery Compatibility

ToolModel NumberNotesString Trimmer 13″DCST920Brushed 13″ trimmerBrushless String Trimmer 15″DCST970Brushless 15″ (FLEXVOLT)Hedge Trimmer 22″DCHT82022″ dual-action bladeBlower 20VDCBL720Brushless, 400 CFMChainsaw 12″DCCS62012″ bar ...

DeWalt FLEXVOLT Battery Compatibility

Image: ToolCompatibility.com Table of Contents Quick lookup: Use our free Battery Compatibility Checker to instantly find every compatible battery, charger, ...

Where to Buy DeWalt Batteries

Buy DeWalt 18V XR Batteries on Amazon

Buy DeWalt FLEXVOLT Batteries on Amazon