Using your DeWalt DCB615 battery is easy. Just insert it into your compatible 20V MAX* or 60V MAX* tool and start working. The battery will automatically adjust the voltage as needed. When not in use, store the battery in a cool, dry place. Avoid exposing it to extreme temperatures or moisture. To keep your battery in good condition, charge it regularly. Don't overcharge it, and make sure to use a compatible charger. If you notice any issues with the battery, like reduced performance or strange noises, stop using it and contact DeWalt support.