
BLACK+DECKER GH900 14-inch
Score: 78/100
BLACK+DECKER BESTE620
Score: 76/100Rankings

The BLACK+DECKER GH900 is a lightweight, corded electric 2-in-1 string trimmer and edger featuring a powerful 6.5 Amp motor and a 14-inch cutting path. It is designed for residential use on yards up to 1/2 acre, offering high-torque performance for tough weeds and an automatic feed spool system for continuous line feeding. The main trade-off is the restriction of the power cord, which limits mobility compared to cordless models.

The BLACK+DECKER BESTE620 is a corded electric 2-in-1 string trimmer and edger featuring a 14-inch cutting path and Automatic Feed Spool technology. Its unlimited runtime and powerful 6.5 Amp motor make it ideal for homeowners near power outlets. However, the cord restricts mobility and requires careful management to avoid disconnection.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 5.5 lbbest | 6.5 lb |
14 inbest | 14 inbest | |
120 Vbest | 120 Vbest | |
2 yearsbest | 2 yearsbest | |
100 ftbest | — | |
0.065 inbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Energy(1) | ||
Power Source | Corded Electric | Corded |
Design & Ergonomics(3) | ||
Weight (lb) | 5.5 lb | 6.5 lb |
Handle Type | Adjustable Height, Pivoting | Adjustable |
Shaft Material | Not specified | Unknown |
Features & Accessories(1) | ||
Included Accessories | Trimmer, Spool, Handle, Guard | Spool, Handle, Guard |
Performance & Cutting(2) | ||
Line Feed Type | Automatic | Automatic Feed |
Line Diameter (in) | 0.065 in | Unknown in |


Professional reviewers and editors highlight the BLACK+DECKER GH900 for its powerful 6.5 Amp motor and high-torque PowerDrive Transmission, which effectively handles tough weeds on properties up to 1/2 acre. They praise the ergonomic design, automatic feed spool system, and Smart Edge mode for providing comfort and clean results.
Everyday users generally praise the tool's power for handling weeds and grass, as well as the convenience of the automatic line feeding system that eliminates bumping. The ease of converting between trimmer and edger modes and the comfortable design for small yards are frequently highlighted.

“great for homeowners looking for a powerful trimmer”




Search results lack dedicated expert reviews or editorials for the BESTA510. Official product pages emphasize its power, ease of use, and AFS technology as ideal for homeowners tackling yard overgrowth.
Direct user feedback for the BESTA510 is limited, with no aggregated ratings on major retailers like Walmart. However, reviews for the comparable GH900 model describe it as great for homeowners looking for a powerful trimmer, with specific praise for the motor and line feed efficiency.