Milwaukee M18B5 M18 5.0Ah Red Lithium-Ion Battery – Brand New

Durable metal frame battery construction with shock-responsive separators preventing pack failure from excessive vibrations or drops. Individual cell monitoring ensures optimal charge and discharge for maximum life. Water protection routes water away from the electronics and out of the battery pack. Can be used in extreme temperatures down to -20°C without compromising on runtime and battery life.

RedLink Digital Overload Protection
On-Board Battery Fuel Gauge
Water Protection