The 4.0 Ah ARC Lithium? Battery is equipped with an upgraded fuel gauge. you can now see how much battery power you have left in 20% increments. The ARC Lithium? battery technology is the industry�Æs most advanced; equipped with patented Keep Cool Cell Technology; which keeps the cells cool and prolongs the life of the battery.
Features
Upgraded fuel gauge to show how much run time is remaining ?C 20% increments
Patented power management system to protect your battery and enhance the life
Charges 1x4.0Ah ARC Lithium? Battery in 30 minutes with the Rapid Charger
Charges 1x4.0Ah ARC Lithium? Battery in 70 minutes with the POWER+ standard charger
Compatible with all tools
ARC Lithium?: Industry�Æs most advanced battery technology