20-Volt Max 3/8-in Cordless Battery Included Drill Includes BDCDE120C 20-volt max drill/driver, 20-volt max Li-ion battery, LCS1620 charger, and double-ended bit Our most compact cordless drill Autosense technology drives most screws flush on the first try Li-ion battery - always ready and holds a charge for up to 18 months LED work light illuminates the surface for easier drilling in dark places Maximum initial battery pack voltage (measured without a workload) is 20 volts; measured under a workload, nominal voltage is 18