
BLACK+DECKER BDCI20B
Score: 60/100
DEWALT DCF809B
Score: 78/100Rankings

The DeWalt DCF809B is a compact brushless cordless impact driver designed for professional-grade performance in tight spaces. It delivers high torque in a small form factor, though the tool-only configuration requires additional investment in batteries. It is best suited for professionals working in confined areas where standard drivers cannot fit.

The Black+Decker 20V MAX POWERCONNECT BDCI20B is a compact cordless impact driver designed for light-to-medium duty residential tasks, delivering 1,375 inch-pounds of torque and 3,000 RPM. While affordable and suitable for DIY homeowners, it lacks the breaking capacity and battery endurance required for heavy-duty professional construction work. It is best suited for users invested in the POWERCONNECT ecosystem who need tool compatibility.
| Attribute | ![]() | ![]() |
|---|---|---|
1,375 in-lb | 1,700 in-lbbest | |
20 Vbest | 20 Vbest | |
3,000 RPMbest | — | |
3,900 IPMbest | — | |
| ↓ lower better | 3.6 lbs | 2 lbsbest |
1.5 Ahbest | — | |
| ↓ lower better | 7.63 inbest | 9 in |
1 count | 3 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Maximum Torque (in-lb) | 1375 in-lb | 1700 in-lb |
Maximum Speed (RPM) (RPM) | 3000 RPM | Variable RPM |
Impacts Per Minute (IPM) (IPM) | 3900 IPM | Variable IPM |
Support(1) | ||
Warranty Duration (years) | 2 years | 0 years |
Build & Design(2) | ||
Tool Weight (lbs) | 3.6 lbs | 2.0 lbs |
Tool Length (in) | 7.63 in | 9.0 in |
Power & Battery(1) | ||
Battery Chemistry | Lithium-Ion | Lithium-ion |
Features(2) | ||
LED Light Count (count) | 1 count | 3 count |
Chuck Type | Quick-Release Hex | 1/4-Inch Hex |


Products in the top-left offer the best value (high score, low price).

Professional reviewers from TechGearLab characterize the Black+Decker 20V Max BDCI20C as an adequate tool for general household jobs and a great value for budget-conscious consumers. However, they identify significant performance limitations, noting that its torque output averages only 115 foot-pounds and it fails to break nuts tightened to 200 foot-pounds.
Everyday users generally appreciate the tool's affordability, compact size, and sufficient power for basic household projects. The recurring theme among users is that it serves as a practical, low-cost solution for DIYers. However, common complaints focus on the limited battery capacity, with users noting that the battery drains quickly and may not support extended work sessions without frequent recharging or spare batteries.

Professional reviewers highlight that the DCF850 delivers specifications matching larger DeWalt models in a significantly more compact form factor. The brushless motor is tuned to provide the same torque and RPM performance as full-size competitors while maintaining the compact ATOMIC design philosophy.
Consumer reviews reflect strong user satisfaction with praise focused on accessibility in confined spaces, power-to-size ratio, precision and control, and build quality.


Choose Black+Decker for budget-friendly DIY tasks, but choose DeWalt for professional durability and power.