The M12 3.0Ah REDLITHIUM™ 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 3.0 amp-hours of runtime. Its compact design fits in tight work spaces and reduces user fatigue. 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 maximize battery life. Switch to the M12 REDLITHIUM™ 3.0Ah Battery Twin Pack to instantly upgrade the runtime and durability of your MILWAUKEE M12 cordless tools.