New Milwaukee 48-59-1850P M18 18-Volt Lithium-Ion Starter Kit 5.0 Ah Batteries

This battery provides extended runtime and power, with features designed to protect against harsh environments and minimize heat.

• The description claims the battery offers more work per charge and over its life.
• The description claims the battery is protected against harsh job site environments.
• The description claims the battery minimizes heat to extend runtime.