BLACK+DECKER LST522
Score: 78/100
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 LST522 is a versatile 20V MAX cordless string trimmer and edger featuring a 12-inch cutting swath and automatic line feed. Its PowerDrive transmission and convertible design make it ideal for routine yard maintenance and edging. However, it may struggle with very dense overgrowth and battery life is limited on high speeds.
| Attribute | | |
|---|---|---|
| ↓ lower better | 7.9 lbbest | 9.6 lb |
12 in | 17 inbest | |
20 V | 60 Vbest | |
— | 5,800 RPMbest | |
2.5 Ahbest | — | |
2 years | 3 yearsbest | |
— | 0.23 hoursbest | |
— | 0.08 inbest |
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| 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) | 7.9 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) | 12 in | 17 in |
No-Load Speed (RPM) | Unknown RPM | 5800 RPM |
Line Feed Type | Automatic Feed | Bump |
Line Diameter (in) | Unknown in | 0.080 in |
Products in the top-left offer the best value (high score, low price).
Official BLACK+DECKER descriptions and retailer specifications position the LST522 as an efficient tool for overgrowth management, emphasizing its ample power, 2-speed versatility, and comfort features.
Everyday users commonly praise the ease of use, particularly the no-bump automatic feed and quick edger conversion, noting solid battery life for small yards. Recurring complaints focus on battery drain on high speeds and occasional line jamming.
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.
“powers through tough spots comfortably”
