Delivers up to 2X more run time, 20% more power and 2X more recharges than standard lithium-ion batteries. The M18 REDLITHIUM XC4.0 Extended Capacity Battery provides superior construction, electronics and performance to deliver more work per charge and over the life of the battery than any other battery on the market.

It provides 4.0 amp-hours of run time. With Milwaukee durability built into every pack, this battery runs cooler and performs in climates as low as 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 situations, while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help to maximize battery life.

Upgrade to the REDLITHIUM XC4.0 Extended Capacity Battery to instantly improve the run time and durability of your Milwaukee M18 cordless tools.