Up to 100 percent more runtime than the standard Kobalt 2.0 Ah 40-volt battery On board LED lights fuel indicator for on demand reference of remaining power. For use with ALL Kobalt 40V max team tools including blower, backpack blower, trimmer, hedge trimmer, and lawn mower All-weather performance: Delivers fade-free power in extreme jobsite conditions Monitors voltage and temperature to protect against overloading and extend battery life After-sales Service: If you have any question about the battery, please feel free to contact us, our professional service team to give you the best guaranteed support. We are committed to providing a 5-Star shopping experience to all buyers! Compatible with ALL Kobalt 40V max team Tools