MILWAUKEE M18B4 M18 REDLITHIUM 4.0Ah Battery Pack - Gift Box Packaging - M18B4

Advanced REDLINK Electronic Intelligence

Battery abuse is prevented with overload protection feature

Temperature Management System keeps the battery at the ideal temperature

Individual Cell Monitoring makes for maximum charge as well as discharge for longest battery life

Innovative Discharge Protection feature avoids cell damage caused from over discharging

Use with Milwaukee M18 tools, cordless

Two X longer run-time

20 percent increased power

Two X more charges

Two year warranty