DeWalt / Saws / Circular Saws / DCS391B

DeWalt DCS391B Circular Saw

DeWalt 20V MAXTool onlyPrice tracked since Mar 2012

$99.00

  • 23% below usual

Usually $129.00 to $159.00 over the past 90 days

Buy

23% below its usual price of $129.00. Lowest price in 16 months. It has dropped to $99.00 or less twice in the past year.

View on Amazon

Price checked Oct 2 2026, 7:22 PM ET. Prices change. Confirm the live price on Amazon before buying. ToolBuck earns a commission on qualifying purchases.

DeWalt DCS391B Circular saw, 6-1/2 in. View on Amazon

Specs

Brand DeWalt
Model DCS391B
Type Circular Saw
Battery platform DeWalt 20V MAX
Size and details 6-1/2 in.
Weight 7.0 lb
Features Keyless Blade Change
In the box 20v 6-1/2" circular saw
Format Tool only

Price History

DeWalt DCS391B price history, 90 daysDeWalt DCS391B price over 90 days. Current price $99.00. Usual range $129.00 to $159.00. Low $99.00, high $159.00.$100$120$140$160Jul 4Aug 18Oct 2Now $99.00Usual range$129 to $159DeWalt DCS391B price history, 90 daysDeWalt DCS391B price over 90 days. Current price $99.00. Usual range $129.00 to $159.00. Low $99.00, high $159.00.$100$120$140$160Jul 4Aug 18Oct 2Now $99.00Usual range$129 to $159

The gray band is the usual range: where the price sat for the middle half of the 90 days shown.

DeWalt DCS391B price over 90 days. Current price $99.00. Usual range $129.00 to $159.00. Low $99.00, high $159.00.

DeWalt DCS391B price history, 1 yearDeWalt DCS391B price over 1 year. Current price $99.00. Usual range $129.00. Low $99.00, high $159.00.$100$120$140$160Oct 2Apr 3Oct 2Now $99.00Usual range$129DeWalt DCS391B price history, 1 yearDeWalt DCS391B price over 1 year. Current price $99.00. Usual range $129.00. Low $99.00, high $159.00.$100$120$140$160Oct 2Apr 3Oct 2Now $99.00Usual range$129

The gray band is the usual range: where the price sat for the middle half of the 1 year shown.

DeWalt DCS391B price over 1 year. Current price $99.00. Usual range $129.00. Low $99.00, high $159.00.

DeWalt DCS391B price history, all timeDeWalt DCS391B price over all time. Current price $99.00. Usual range $99.00 to $119.00. Low $69.00, high $159.00.$80$100$120$140Mar 2012Jun 2019Oct 2026Now $99.00Usual range$99 to $119DeWalt DCS391B price history, all timeDeWalt DCS391B price over all time. Current price $99.00. Usual range $99.00 to $119.00. Low $69.00, high $159.00.$80$100$120$140Mar 2012Jun 2019Oct 2026Now $99.00Usual range$99 to $119

The gray band is the usual range: where the price sat for the middle half of the tracked history shown. The all-time line shows the lowest price of each week.

DeWalt DCS391B price over all time. Current price $99.00. Usual range $99.00 to $119.00. Low $69.00, high $159.00.

Line: Amazon price. Red dot: current price. Gaps mean no offer at that time.

  • Current $99.00 Checked Oct 2 2026, 7:22 PM ET
  • Usual range $129.00 to $159.00 Over the past 90 days. 23% below usual
  • Lowest ever $69.00 Apr 11 2025
  • 90-day high $159.00  
  • Drops in 90 days 15  

Batteries That Fit

See all: Batteries That Fit
  • DeWalt DCB205 Battery, 5.0 Ah
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    $68.00 Third-party seller
  • DeWalt DCB204-2 Battery 2-pack, 4.0 Ah
    DeWalt DCB204-2 Battery 2-pack, 4.0 Ah / $13.75 per Ah
    $109.99 Fair, at usual
  • DeWalt DCB324-4 Battery 4-pack, two 4.0 Ah and two 2.0 Ah
    DeWalt DCB324-4 Battery 4-pack, two 4.0 Ah and two 2.0 Ah / $14.91 per Ah
    $178.93 Fair, at usual
  • DeWalt DCB206-2 Battery 2-pack, 6.0 Ah
    DeWalt DCB206-2 Battery 2-pack, 6.0 Ah / $14.92 per Ah
    $179.00 Fair, at usual
  • DeWalt DCB2104-2 PowerPack battery 2-pack, 4.0 Ah
    DeWalt DCB2104-2 PowerPack battery 2-pack, 4.0 Ah / $15.25 per Ah
    $121.96 Third-party seller

Prices checked between Oct 2 2026, 6:42 PM ET and Oct 2 2026, 7:47 PM ET.

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Prices checked between Oct 2 2026, 6:22 PM ET and Oct 2 2026, 8:17 PM ET.

Prices are the Amazon.com price for a new item. "Usual" is this tool's own price over the past 90 days or the past year, whichever is closer to today's price: the usual range is where it sat for the middle half of that time, and percentages are measured against its median price over 90 days or over the past year, whichever is closer to the current price. Out-of-stock time is left out. ToolBuck has price history for this listing going back 5,303 days. Prices and availability are accurate as of the time shown and can change. The price on Amazon at the time of purchase is the one that applies. How ToolBuck works.