This product is a Dewalt lithium-ion battery, designed for use with the brand's popular range of power tools. It will provide a ready source of power for drills, screwdrivers, saws, and other common tools, ensuring that owners can continue their work and have maximum flexibility. Providing Power to Keep Tools Operational Each DeWalt DCB184XR​ battery comes with a useful LED indicator, which informs users about how much charge remains. That way, users can know when to swap out batteries and recharge them to keep downtime low. Each battery also comes with overheat and overcharge protection, safeguarding tools and users against damaging surges. Be Aware of Operational Conditions Diagnostics with bright LED indicator communicates battery charge status: charged, charging, power problem, and battery too hot or too cold