STANLEY® Assembly Technologies offers the most advanced battery technology today.  Our cordless tool batteries offer the highest cycles per charge and the highest number of charges per battery life.  Plus, you’ll always be prepared thanks to the built-in fuel gauge which indicates the level of charge remaining in the battery pack.

We know time is money, so we make battery maintenance easy.  To change a battery pack in one of our cordless tools, just press the release button and pull the battery pack out of the tool handle. It’s that simple.

Fast Facts: 

  • Highest cycles per charge.
  • Highest number of charges per battery life.
  • High power density.
  • Ultra-light weight.
  • Low cost.
  • Compliant with international standards for durability drop tests.


  • Battery Pack: 20V Max. 4Ah Lithium-Ion Battery. 2Ah and 5Ah are optional.
  • Charger: Designed to charge STANLEY® 12–20V Max lithium-ion battery packs.

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The availability of the products described on this site, and the product descriptions, may vary from country to country. Consult your STANLEY® Engineered Fastening Account Executive or your local distributor for specific product information.