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The DeWalt DCS578B is a 60V Max FlexVolt brushless 7-1/4 in. circular saw sold as a bare tool. DeWalt rates it at 2,456 unit watts out, up to 47% more than the older DCS575, with a 5,800 RPM no-load speed and a 2-9/16 in. cut at 90°. It is aimed at framers and remodelers who want corded-class cutting without a cord, and its electric brake, 57° bevel with stops at 22.5° and 45°, LED and rafter hook put it ahead of most 18V saws on power and features. The trade-off is weight and the need for 60V FlexVolt packs, which cost more than 20V batteries.
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Lowest price we've seen: $168.00 on Nov 13 at Walmart. Tracked across 16 stores since Nov 13.
Owners and reviewers treat the DCS578B as one of the strongest cordless 7-1/4 in. saws, often saying it cuts like a corded saw. Most complaints center on weight and the cost of FlexVolt batteries rather than cutting performance.
The DEWALT FLEXVOLT 60V MAX 7-1/4 in. cordless circular saw has a brushless motor and an electric brake. It delivers 2456 unit watts out and has up to 47% more power than the DCS575 60V MAX circular saw. FLEXVOLT technology gives it a no-load speed of 5800 RPM.
It takes a 7-1/4 in. blade and cuts up to 2-9/16 in. deep at a 90° bevel. The bevel capacity is up to 57°, with bevel stops at 22.5° and 45°. The electric brake stops the blade after the trigger is released.
An integrated LED lights the cut line for better visibility and accuracy. An integrated rafter hook allows quick storage. This is the tool only. The battery and charger are sold separately.
