The M12 Redlithium extended capacity battery pack features superior pack construction, electronics and performance to deliver more work per charge and more work over pack life than any battery on the market. It offers 4.0 amp-hours of runtime. With Milwaukee durability built into each pack, this battery runs cooler and performs. The M12 Redlithium battery is fully compatible with all Milwaukee M12 solutions.
Provides up to 2X more run time
20% more power than standard lithium ion battery
Charger communicates with the battery pack to ensure a full charge and battery protection
All-weather performance: Delivers fade free power in extreme jobsite conditions