ProductIndex
DEWALT 20V MAX Circular Saw (DCS391B)
One-line verdict
Ideal for DIY homeowners and light trades entering DEWALT ecosystem, offering compact portability at cost of limited power for heavy ripping.
How it compares
- vs DEWALT 20V MAX Compact Reciprocating Saw DCS369B ($119–$139): Circular Saw wins on straight crosscuts and sheet goods breakdown, DCS369B wins on one-handed use and tight-space demo work
- vs DEWALT 20V MAX XR Oscillating Multi-Tool DCS356B ($120–$190): Circular Saw wins on cutting speed and depth capacity for lumber, DCS356B wins on plunge cuts, flush cuts, and multi-material versatility
- vs SKIL PWRCORE 20V 2-Tool Combo Kit ($140–$170): Circular Saw wins on cutting power and blade size for framing tasks, SKIL wins on bundled tool value by pairing two tools at a similar price
- vs DEWALT 20V MAX Combo Kit DCK240C2 ($130–$170): Circular Saw wins on dedicated cutting performance, DCK240C2 wins on versatility for general fastening and drilling tasks
AI-summarized review themes
Frequently Praised
- Lightweight design reduces fatigue during overhead trim work
- Comfortable rubber grip improves control on extended sessions
- Quick blade brake enhances safety and blade changes
- Sufficient power handles plywood sheets and 2x4s cleanly
- Durable magnesium shoe withstands regular jobsite drops
Frequently Criticized
- Brushed motor bogs down on thick lumber or long rips
- Bevel adjustment screw difficult to access precisely
- Small 6-1/2-inch blade limits depth on dimensional lumber
- Plastic lower guard feels cheap and binds occasionally
- Poor dust port fails to extract effectively even with vacuum
Best for
trim carpentry, plywood breakdown, occasional framing, weekend DIY projects
Not for
full-sheet ripping, daily heavy construction, precise angle production cuts
Specifications
| Spec | Value |
|---|---|
| Battery Voltage | 20V MAX |
| Motor Type | Brushed |
| No-Load Speed | 5150 RPM |
| Blade Size | 6-1/2 in. |
| Bevel Capacity | 0-50° |
| Depth of Cut @90° | 2-1/4 in. |
| Depth of Cut @45° | 1-5/8 in. |
| Weight (tool only) | ~7.6 lbs |
| Blade Brake | Yes |
| Platform | DEWALT 20V MAX |
Data sources
- Estimated ~12000 purchase reviews via Amazon, Home Depot, Lowes
- Review period: 2012–2026
- Sentiment confidence: high