Brand new in original, sealed retail packaging.Manufactured by Milwaukee®.
The MILWAUKEE® M12™ REDLITHIUM™ 4.0 Battery Pack represents the next evolution in lithium-ion technology, engineered to deliver up to 2X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries—providing unmatched performance, durability, and reliability for professional tradespeople. Fully compatible with all M12™ cordless tools, this advanced battery pack is built to thrive in the toughest jobsite conditions, delivering fade-free power and cooler operation in extreme environments down to -18°C (0°F). With rugged Milwaukee® construction and superior power management, the REDLITHIUM™ 4.0 is the ultimate upgrade for demanding users who refuse to compromise on performance.
Highlights
- Compatible with all M12 power tools
- Fuel gauge onboard: displays remaining runtime
- Delivers long life and run time with fade-free power
- Provides up to 2X more run time
- 20% more power than standard lithium ion battery
- REDLITHIUM 4.0 battery operates cooler and performs in climates below 0° with fade free power
- 2X more recharges than standard lithium ion battery
- Includes: M12 charger (48-59-2401), M12 REDLITHIUM XC4.0 extended capacity battery pack (48-11-2440)













