Delivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The M12 REDLITHIUM™ 2.0 Compact 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 2.0 amp-hours of runtimeThis battery runs cooler and performs in climates below 0°F/-18°C. 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. Power up your M12™ RED LITHIUM™ and M12™ Lithium-Ion batteries in less than an hour with the M12™ Lithium-Ion Charger. It communicates directly with the battery pack to manage charges and features an easy-to-load design. The charger's slim profile requires little bench-top room, while the pass-through plug conserves valuable outlet space. Monitor battery charges for all of your M12™ cordless tools with the onboard indicator light.