New improved gen-3 design- shows you how much charge is left
ARC Lithium battery technology; Industry’s Most Advanced
The 2.5 Ah ARC Lithium Battery is now equipped with an upgraded fuel gauge. The new built-in indicator lights lets you see how much run time you have left. The ARC Lithium battery technology is the industries most advanced; equipped with patented Keep Cool Cell Technology; which keeps the cells cool and prolongs the life of the battery.