Battery technology
MAX Output EXP / ThermaGuard
EXP batteries use enhanced electronics and heat management. The 4Ah AC840041 specifically uses tabless cells; ThermaGuard manages heat.
Compatibility & choosing products
Still part of RIDGID 18V. Cell construction and charging performance must be checked by SKU, not inferred for every EXP pack.
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2 catalog products · 1 categoriesProducts below identify this system or technology in their catalog name, platform or system labels. Check each model’s specifications for exact fit; included accessories and bundles can vary.
