DeWalt · Updated July 2026
DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only): price & specs
The DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) costs $279, the most expensive angle grinders (median $149). It earns a Silver Deskmark — 48/100 pay-blind standing, #9 of 17 in class.
Verified Jul 10, 2026 · figures linked to their source in the table below
- Best for Noticeable power boost when running an 8.0Ah battery; Slim barrel grip with generous overmold is comfortable and effective.
- Skip if FlexVolt kit costs only ~$20 more for much higher power is a dealbreaker.
DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only). Every price and spec below is linked to its source and dated — no guesses.
Source: dewalt.com verified ✓ corroborated verify in ledger
Is the DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) a good buy?
At $279, the DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) is the most expensive of the 18 angle grinders we track, where the median is $149. On the spec sheet, its disc size of 5 in is above the median of the 18, its max of 9000 rpm is below the median of the 18, and its weight of 3.87 lb is below the median of the 17.
Evidence of Record
Our dataNo independent lab has measured this product yet. 1 outlet has it on record by mention only, with no hands-on measurements published to weigh its claims against — a gap in the evidence, not a verdict on the product.
Review consensus · sourced & dated
What reviewers say about the DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only)
One whitelisted tester, Pro Tool Reviews, bench-tested this grinder hands-on and scored it 8.9/10. They praise the real power boost on an 8.0Ah battery and the comfortable slim grip, but flag that DeWalt's own FlexVolt kit costs only about $20 more for much more power. No other whitelisted outlet reviewed it.
Tested by Pro Tool Reviews
Consistently praised
- Noticeable power boost when running an 8.0Ah battery
- Slim barrel grip with generous overmold is comfortable and effective
- E-clutch stops a bound-up wheel in under 1/10th of a second
Commonly flagged
- FlexVolt kit costs only ~$20 more for much higher power
- No bare-tool option at review time; sold only as an 8.0Ah kit
- Sits only in the second of four tiers in DeWalt's grinder lineup
Where reviewers disagree Only one whitelisted tester (Pro Tool Reviews) covered this model, so cross-source agreement cannot be assessed; their single verdict is positive with a value caveat versus the FlexVolt grinder.
The sources (1)
Switching over to an 8.0Ah battery, the difference was immediately obvious.
There's a generous amount of overmold to help secure your grip and add some comfort as well.
However, the FlexVolt 1-battery kit is just $20 more and offers a lot more power, making it a very tempting upgrade.
Specifications
| Price (US) | $279 Published retailer price at The Power Tool Store ($279.00, tool only); DeWalt.com does not display MSRP |
|---|---|
| Brand | DeWalt |
| Released | — |
| Disc size (in) | 5 in |
| Power source | cordless |
| Amps or voltage | 20 V |
| Max (rpm) | 9000 |
| Brushless | Yes |
| Switch type | paddle |
| No volt release | Yes |
| Weight (lb) | 3.87 |
Source: dewalt.com (verified 2026-07-10) · corroborated by thepowertoolstore.com. The Power Tool Store retailer page for SKU DCG415B (POWER DETECT, 4-1/2 in.-5 in. Bare Tool) confirms this exact model and carries a full spec table used verbatim: Voltage 20V MAX, No-Load Speed 9,000 RPM, Switch Type Paddle Switch, Motor Type Brushless, Tool Weight (Bare Tool) 3.87 lbs, plus E-Switch Protection requiring the trigger to be cycled to restart after an unexpected shutdown (restart/no-volt release, consistent with the sibling DCG413B in this roster), and a $279.00 tool-only price. The official DeWalt DCG415B product URL is the manufacturer source but redirected to the DeWalt homepage/category on fetch (JS-gated), so every spec and the price were verified verbatim on the retailer page. Disc size is recorded as "5 in" (the max of the 4-1/2 in./5 in. capacity), matching how the dual-size Makita XAG04Z and Milwaukee 2880-20 entries are formatted here.
Is the DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) worth it vs cheaper angle grinders?
DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) against its closest cheaper and pricier angle grinders on the specs that matter — every value sourced. See all 18 ranked →
| Product | Price | Disc size (in) | Power source | Amps or voltage | Max (rpm) | Brushless |
|---|---|---|---|---|---|---|
| DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) this | $279 | 5 in | cordless | 20 V | 9000 | Yes |
| Milwaukee M18 FUEL 2980-20 4-1/2 in./6 in. Braking Grinder Paddle Switch No-Lock (Tool Only) | $249 | 6 in | cordless | 18 V | 9000 | Yes |
Frequently asked questions
What do reviewers say about the DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only)?
One whitelisted tester, Pro Tool Reviews, bench-tested this grinder hands-on and scored it 8.9/10. They praise the real power boost on an 8.0Ah battery and the comfortable slim grip, but flag that DeWalt's own FlexVolt kit costs only about $20 more for much more power. No other whitelisted outlet reviewed it. Praised: Noticeable power boost when running an 8.0Ah battery; Slim barrel grip with generous overmold is comfortable and effective; E-clutch stops a bound-up wheel in under 1/10th of a second. Flagged: FlexVolt kit costs only ~$20 more for much higher power; No bare-tool option at review time; sold only as an 8.0Ah kit; Sits only in the second of four tiers in DeWalt's grinder lineup. (From 1 tester review, 1 lab-tested.)
How much does the DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) cost?
The DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) has a US price of $279 (Published retailer price at The Power Tool Store ($279.00, tool only); DeWalt.com does not display MSRP), as of 2026-07-10.
How does the DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) compare on price?
At $279, the DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) is the most expensive of the 18 angle grinders we track, where the median is $149.
What are the DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only)'s key specs?
DeWalt DCG415B 20V MAX XR Brushless 4-1/2 in./5 in. Small Angle Grinder with POWER DETECT (Tool Only) (DeWalt): disc size in 5 in, power source cordless, amps or voltage 20 V, max rpm 9000, brushless Yes. Full sourced spec sheet verified 2026-07-10.
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Compare with
Cheaper angle grinders
- Milwaukee M18 FUEL 2980-20 4-1/2 in./6 in. Braking Grinder Paddle Switch No-Lock (Tool Only) $249
- Metabo WEV15-125 Quick 4-1/2 in./5 in. 13.5 A Variable Speed Corded Angle Grinder $239
- Milwaukee M18 FUEL 2880-20 4-1/2 in./5 in. Grinder Paddle Switch No-Lock (Tool Only) $229
- DeWalt DCG413B 20V MAX XR Brushless 4-1/2 in. Paddle Switch Angle Grinder (Tool Only) $199
- Flex FX3171A-Z 24V 5 in. Variable Speed Brushless Angle Grinder with Paddle Switch (Tool Only) $199
- DeWalt DWE43144N 6 in. 13 A E-Clutch Paddle Switch Corded Angle Grinder (No Lock-On) $188