A black + decker smart tech battery opens up a world of diy possibilities. compatible with all of the power and garden tools across the 18v lithium-ion range, the innovative smart battery does more than just power your tools. with bluetooth® connectivity and the dedicated smart tech app, you'll be connected to a range of smart features that help your diy projects run smoother. using the smart tech app you can easily locate your battery, so there's less rummaging around in the garage before you start a new project. you can also check the state of your battery charge and remotely disable your battery via the app, so you never need to worry about your tools falling into the wrong hands. plus, with a usb charging port, you can plug in your mobile devices and power them on the go.