Compatible with all Milwaukee M12 cordless tools and instruments, the M12 REDLITHIUM XC extended-capacity battery delivers 4 Ah (48 watt-hour) of run time-even in sub-zero temperatures. Each 12 volt lithium-ion battery is laden with new-age REDLINK circuitry engineered to prevent overloads and protect against cell-damaging discharge. Revolutionary cell monitoring and temperature regulation prolong this battery's operation and life expectancy, meaning fewer work interruptions and more recharges than ever. Professionals depend on heavy-duty, long-lasting performance and Milwaukee delivers with this 12 volt battery pack.
 
Highlights
Compatible with all Milwaukee M12 lithium-ion tools and chargers (sold separately)
Fuel gauge on tool indicates when to recharge
Recharges in 30-75 minutes
Resists drainage when not in use
Flat-bottom base allows tools to stand upright