# TLDR Review: DEWALT DCS391B Circular Saw

*Published: 2025-05-25 | Updated: 2025-07-18 | Source: https://shopsavvy.com/reviews-tldr/dewalt-dcs391b-circular-saw*

---

## Product: DEWALT DCS391B Circular Saw
**Brand:** DEWALT

## Pros
- Adequate power for cutting through subfloors and large pieces of wood.
- Performs excellently for cutting 3/4 plywood for extended periods.
- Highly durable, has withstood drops and rough handling, ideal for maintenance work.
- Lightweight and easy to maneuver, especially with a 5.0 Ah battery.
- Comfortable handle design enhances ease of use.
- Onboard wrench for easy and quick blade changes.
- Smooth adjustment features add convenience.
- Reliable performance even after years of use and under extreme conditions.

## Cons
- Lacks a saw dust chute, causing debris to blow everywhere.
- No integrated light, making it challenging to see the cutting line.
- Plastic guard feels flimsy and may not survive drops.
- Blade placement can direct dust toward the user.
- Motor performance lags compared to higher-end models, requiring slower cutting speeds.
- Users reported frequent operational issues, stopping after short distances.
- Requires a specific 5 Ah battery; a 4 Ah battery is optimal, while a 2 Ah battery struggles.
- Minor issues with plastic safety guard, although repairable.

## Bottom Line

The DEWALT 20V MAX Circular Saw (DCS391B) is a powerful and lightweight tool suitable for various cutting tasks, from subfloors to plywood. Despite some issues with dust management and operational dependability requiring careful battery matching, it remains a durable choice for professionals and DIY enthusiasts. If precise adjustments and robustness are priorities, consider investing in this tool, but do expect to purchase additional batteries and a more suitable blade for optimal performance.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Adequate power for cutting through subfloors and large pieces of wood. | Lacks a saw dust chute, causing debris to blow everywhere. |
| Performs excellently for cutting 3/4 plywood for extended periods. | No integrated light, making it challenging to see the cutting line. |
| Highly durable, has withstood drops and rough handling, ideal for maintenance work. | Plastic guard feels flimsy and may not survive drops. |
| Lightweight and easy to maneuver, especially with a 5.0 Ah battery. | Blade placement can direct dust toward the user. |
| Comfortable handle design enhances ease of use. | Motor performance lags compared to higher-end models, requiring slower cutting speeds. |
| Onboard wrench for easy and quick blade changes. | Users reported frequent operational issues, stopping after short distances. |
| Smooth adjustment features add convenience. | Requires a specific 5 Ah battery; a 4 Ah battery is optimal, while a 2 Ah battery struggles. |
| Reliable performance even after years of use and under extreme conditions. | Minor issues with plastic safety guard, although repairable. |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| woot! | $88.99  | Check |
| ToolTopia.com | $133.59  | Check |
| CPO Dewalt | $139.00  | Check |
| CPO Outlets | $139.00  | Check |
| Max Tool | $139.00  | Check |
| Half Hitch | $149.00  | Check |
| Life and Home | $161.66  | Check |
| Toolschest | $162.26  | Check |
| UnbeatableSale | $162.26  | Check |
| StackSocial | $242.47  | Check |
| JBJ Supply | $269.41  | Check |

---

*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*