"The Milwaukee M12 RedLithium Compact 2.0Ah Battery delivers up to 2X more run time, 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. With Milwaukee durability built into each pack, this battery runs cooler and performs in climates below 0F -18C. 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 RedLithium 2.0 compact battery pack to instantly upgrade the run time and durability of your Milwaukee M12 cordless tools. Battery Type M12 RedLithium Li-Ion, Volts 12, Battery Amp/Hour 2.0. 2.0 Amp hour battery RedLink Intelligence provides optimized performance and overload protection using total system communication between tool, battery and charger Superior pack construction for long-lasting performance and durability All-weather performance delivers fade-free power in extreme jobsite conditions Powers most Milwaukee M12 cordless power tools"