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The DeWalt DCD800B is a 20V MAX XR brushless drill/driver sold as a bare tool. Its brushless motor delivers up to 40% more Unit Watts Out than the DCD791B when paired with a DCB205 or POWERSTACK battery, and the two-speed transmission tops out at 2,000 RPM. It is compact and light for overhead and tight-space work, with a 1/2-inch metal ratcheting chuck and a three-position pivoting LED. It suits tradespeople and serious DIYers already on the 20V MAX battery platform; the DCD791B is smaller and lighter, while this drill trades some of that for more power.
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Owners rate the DCD800B as a strong, smooth-running drill with good power for its size. Most praise the compact body, the chuck and the LED, while the main complaints are that it ships without a battery and that the spotlight timer is short.
The DEWALT 20V MAX XR 1/2" Brushless Cordless Drill/Driver is sold as a tool only, with no battery included. Its high-output brushless motor delivers up to 40% more Unit Watts Out than the DEWALT DCD791B when used with the DCB205 battery or the DCBP034 DEWALT POWERSTACK battery (both sold separately). It drills into wood and metal at speeds up to 2,000 RPM.
The build is compact and lightweight for working in tight spaces. A high-speed transmission with a variable-speed trigger and two speed settings (0-650 / 0-2,000 RPM) gives control over drilling and fastening. The 1/2 inch metal ratcheting chuck has high bit retention.
A 3-position pivoting LED light has three modes and up to 70 lumens of brightness. Its spotlight mode shuts off after 20 minutes. A chip pocket accepts the Tool Connect chip DCE042 (sold separately) for jobsite asset tracking.
