Delivers up to 2X more run time, 20% more power and 2X more recharges than standard lithium-ion batteries. The M12™ REDLITHIUM™ XC4.0 Extended Capacity Battery Pack delivers superior pack construction, electronics and performance to deliver more work per charge and more work over the life of the pack than any battery on the market.

It offers 4.0 amp-hours of runtime. With Milwaukee durability built into every pack, this battery runs cooler and performs in climates below 0°F/-18°C. Managed by Milwaukee’s exclusive REDLINK™ Intelligence, the battery features overload protection to prevent you from damaging your cordless power tools in heavy-duty applications, while the discharge protection prevents cell damage.

A temperature management system and individual cell monitoring help maximize battery life. Upgrade to the REDLITHIUM XC4.0 Extended Capacity Battery Pack to instantly increase the run time and durability of your Milwaukee M12 cordless tools.