
BLACK+DECKER LST201
Score: 72/100
DEWALT DCST972B
Score: 82/100Rankings

The DeWalt DCST972B is a 60V MAX brushless cordless string trimmer designed for heavy-duty trimming of tough overgrowth, featuring a high-efficiency motor and adjustable cutting swath. It offers universal attachment capability to convert into tools like edgers or cultivators, making it a versatile option for professional landscapers. The tool operates with a straight steel shaft and variable speed control, though it requires separate battery and charger purchases.

The BLACK+DECKER LST201 is a lightweight, budget-friendly 20V MAX cordless string trimmer and edger with a 10-inch cutting swath. Its automatic feed spool and edger conversion make it easy to use for small yards. However, the limited battery capacity and single-speed operation restrict its performance on tougher jobs.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 4.5 lbbest | 9.6 lb |
10 in | 17 inbest | |
20 V | 60 Vbest | |
— | 5,800 RPMbest | |
1.5 Ahbest | — | |
2 years | 3 yearsbest | |
— | 0.23 hoursbest | |
0.065 in | 0.08 inbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Support & Warranty(1) | ||
Warranty Length (years) | 2 years | 3 years |
Power & Energy(3) | ||
Voltage (V) | 20 V | 60 V |
Motor Type | Unknown | Brushless |
Runtime (hours) | Unknown hours | 0.23 hours |
Design & Ergonomics(3) | ||
Weight (lb) | 4.5 lb | 9.6 lb |
Shaft Type | Unknown | Straight |
Shaft Material | Unknown | Steel |
Features & Accessories(1) | ||
Included Accessories | Battery, Charger | Trimmer, Spool, Handle, Guard |
Performance & Cutting(4) | ||
Cutting Width (in) | 10 in | 17 in |
No-Load Speed (RPM) | Unknown RPM | 5800 RPM |
Line Feed Type | Automatic Feed | Bump |
Line Diameter (in) | 0.065 in | 0.080 in |


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

Professional reviewers and editors praise the BLACK+DECKER LST522 for its powerful cutting capabilities and ease of use for homeowners. Sources highlight the POWERDRIVE transmission for its torque and the continuous AFS operation for simplifying line feeding. The tool is positioned as an ideal solution for tough yard tasks without cords, with editors noting it is both powerful and lightweight with comfort features like soft grips.
Everyday users commonly praise the effortless line feeding and strong performance on weeds and grass. Many report that the 30-45 minute runtime is sufficient for moderate yards and appreciate the easy conversion to an edger. Recurring complaints focus on the short battery life for larger areas, occasional motor strain on thick overgrowth, and weight fatigue after extended use.

Professional reviewers praise the DeWalt DCST972B for its impressive power and versatility, noting that the brushless motor delivers high RPMs suitable for demanding attachments like cultivators. Experts commend the build quality, including the steel shaft and universal attachment capability, but highlight limitations in runtime on high speed and recommend upgrading the line diameter for better performance.
Search results lack direct consumer reviews or recurring complaints, with no specific praise or issues detailed from everyday users. Expert feedback implies that while professionals are satisfied with the power, the weight and battery life are noted as practical hurdles for prolonged use.

