DEWALT DCF620B 20-volt MAX XR Li-Ion Brushless Drywall ScrewGun  (Tool Only) DEWALT brushless motor in that delivers superior performance and maximum run time Cone-Lock(tm) nosecone locks on securely and is easily removed ergonomically designed for less worker fatigue LED light for visibility in tight spaces Battery sold separately Battery & Charger Sold Separately *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18