Milwaukee M12 4.0 Ah Battery

The Milwaukee Redlithium-ion Battery Packs are fitted with sophisticated electronics (Redlink Intelligence) and overload protection, which prevents the user from damaging their cordless power tool investment in abusive situations. It has a temperature management system that keeps the battery in an ideal temperature range to provide maximum life. · · · Delivers up to 2x more run time, up to 20 percent more power and up to 2x more battery life compared with other Lithium-Ion technologies and/or with previous MILWAUKEE battery technology (Results depend on tool and application) · · REDLITHIUM protection with REDLINK digital overload protection to prevent users from damaging their cordless power tool investment in abusive situations · · Individual cell monitoring ensures optimal charge and discharge for maximum life · · Integrated welded frame battery construction with shock responsive separators preventing pack failure from excessive vibrations or drops · · Can be used in extreme temperatures down to -20 °C without compromising on runtime and battery life · · Discharge protection prevents cell damage from over-discharge