Battery Platforms: Which Batteries Fit Which Tools, and Adapters
Learn what a battery platform is, why cross-brand batteries rarely fit, how 18V and 20V Max naming works, and the safety risks of adapters and uncertified batteries.
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Battery platforms by brand, which batteries fit which tools, adapters and why third-party batteries are a risk.
Understanding battery platform compatibility helps you decide which cordless tools share batteries and chargers. Different manufacturers use distinct platforms, so a battery designed for one system may not work in another. Adapters can change that, but they come with trade-offs.
Start with the battery platform compatibility guide to see how batteries fit various tools and what adapters really do. For the broader picture, explore the batteries and chargers section.