Milwaukee M 18B4 18v 4.0
Up to 2 x longer run time, 20 percent more power and up to 2 x refills.

Use the sophisticated Milwaukee Redlink Intelligence - Provides improved performance and overload protection through the communication system between total tool, battery and charger. The most advanced system in electronic cordless.

Overload protection means that the user is prevented from damaging their cordless power tools.

The system management and control of the temperature single cell keeps the battery in the temperature range ideal for providing maximum durability. Performs 20 percent colder than other technologies lithium ion.

Durable construction - rubber over mold, metal cage drive and 3 layers of shock absorbers to protect the battery.

It also has a fuel gauge on board to help monitor the charge.

Specifications Milwaukee M 18B4

Voltage: 18V
Battery Type: Lithium-Ion Red