The Dewalt Li-Ion Battery Charger is a versatile and efficient charging solution for your power tools. This charger can handle batteries with a voltage of 10.8v, 14.4v, 18v, and 54v, making it suitable for a wide range of Dewalt power tools. The charger can charge one battery at a time, ensuring that your batteries are fully charged and ready to go when you need them. This charger does not come with batteries, but it is compatible with Dewalt Li-Ion batteries, so you can use your existing batteries to power your tools. With its compact design and easy-to-read LED display, this battery charger is a must-have for any DIY enthusiast or professional tradesperson.