M18 5.0ah lithium ion battery
Delivers up to 2x more run time, up to 20% 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).
Can be used in extreme temperatures down to -20 °C without compromising on runtime and battery life
On-board battery fuel gauge helps the user to maximise his battery run-time efficiency