BLACK+DECKER BDCJS20B Saw
- Saw
- Battery
- Metal
- 4.7 pounds
- Better rated than 62%
- More reviewed than 80%
Owners already in the BLACK+DECKER 20V MAX battery system get the most value here, since this listing is likely a bare tool without a battery.
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How it ranks among the 265 saws we track
4.7★ across 1,500 Amazon ratings, Bayesian-smoothed toward the category average.
1,500 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
50+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 265 saws we track - how the scorecard works · full saws data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Cordless at 20 volts and 4.7 pounds, the BLACK+DECKER BDCJS20B saw runs up to 2500 strokes per minute with a metal built cutting mechanism. The B at the end of the model number typically marks a bare tool listing, sold without battery or charger.
Power at this voltage class suits trim cuts and general shop work rather than continuous heavy duty ripping. Because it likely ships bare, buyers already invested in the BLACK+DECKER 20V MAX battery system stand to get the most value from this listing.
- BLACK+DECKER brand, model BDCJS20B
- 20 volt battery powered
- Up to 2500 strokes per minute
- Weighs 4.7 pounds
Who it's for
Owners of BLACK+DECKER 20V MAX batteries who need another cordless saw for the tool line. Not a fit for anyone without a compatible battery already on hand, since one is likely not included.
Strengths and trade-offs
Drawn from this product's published specifications.
- 4.7 pounds keeps it light for one handed cutting
- Metal construction at the cutting mechanism
- Compatible with the wider BLACK+DECKER 20V MAX line
- Likely sold as a bare tool without battery or charger
- 2500 strokes per minute is modest next to higher voltage saws
Performance notes
At 2500 strokes per minute and 20 volts, the BDCJS20B is geared for general cutting tasks rather than sustained industrial use, and its 4.7 pound weight keeps it manageable for one handed cuts. Metal construction at the cutting mechanism adds durability compared to an all plastic housing.
Specifications
| Brand | BLACK+DECKER |
|---|---|
| Model | BDCJS20B |
| Dimensions & fit | |
| Item Weight | 4.7 pounds |
| Dimensions | 11.4 × 3.8 × 10 inches |
| Capacity & performance | |
| Speed | 2500 rpm |
| Power & efficiency | |
| Power Source | Battery |
| Voltage | 20 volts |
| Construction & materials | |
| Material | Metal |
Other BLACK+DECKER saws
How it compares
This product against the closest alternatives we track in saws.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| BLACK+DECKER BDCJS20B SawThis product | 4.7 / 5 | 1,500 | 4.2 / 5 |
| DEWALT DCS334B SawDeWalt | 4.8 / 5 | 9,477 | 4.7 / 5 |
| SKIL 5280-01 SawSkil | 4.7 / 5 | 14,300 | 4.6 / 5 |
| Milwaukee 2719-20 SawMILWAUKEE | 4.8 / 5 | 6,485 | 4.5 / 5 |
| PORTER-CABLE PCC670B SawPORTER-CABLE | 4.7 / 5 | 4,100 | 4.4 / 5 |
Similar saws from other brands
Questions about the BLACK+DECKER BDCJS20B
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the BDCJS20B come with a battery?
The B at the end of the model number typically marks a bare tool listing sold without battery or charger, though buyers should confirm with the seller.
What is the cutting speed of the BDCJS20B?
Up to 2500 strokes per minute.
How much does the BDCJS20B weigh?
4.7 pounds.