Delivers up to 3x more runtime, 20 percent more power and 2x more life than standard lithium-ion batteries. The M12 6.0Ah Redlithium-ion Battery features superior pack construction, electronics and performance to deliver more work per charge and more work over the life of the pack than any battery on the market. With Milwaukee durability built into each pack, this battery runs cooler and performs in climates below 0 degree Fahrenheit/-18 degree Celsius. 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 maximise battery life. Upgrade to the M12 6.0Ah Redlithium-ion Battery to instantly increase the runtime and durability of your Milwaukee M12 cordless tools.