Milwaukee M12B2 M12 12v 2.0 Ah Red Lithium-Ion Battery Milwaukee REDLITHIUM-ION batteries have sophisticated electronics (REDLINK Intelligence) & overload Protection which prevents the user from damaging their cordless power tool investment in abusive situations. It has a temperature Management System which keeps the battery in ideal temperature range to provide maximum life. With individual Cell Monitoring which ensures optimal charge & discharge for maximum life & discharge protection which prevents cell damage from over-discharge.
Features: Up to 2 times more run time 20% more power Up to 2 times more recharges Fuel gauge to display their remaining charge