Maintain a perfectly manicured lawn with the BLACK+DECKER BESTA510 Electric Trimmer and Edger. Featuring a powerful 6.5-amp motor, a 14-inch cutting swath, and Automatic Feed Spool (AFS) technology, this 2-in-1 tool easily trims grass and edges along sidewalks, driveways, and flower beds. Lightweight and ergonomically designed, it ensures comfortable yard work—upgrade your lawn care routine today.









BLACK+DECKER String Trimmer Weed Wacker with Auto Feed Weed Eater, 6.5-Amp, 14-Inch (BESTA510)
- Overall Customer Rating
- Star Rating Breakdown
- Performance Rating
- Durability Rating
- Ease of Use Rating
4.8/5Overall Score
Specs
- Power Rating: 6.5 Amps
- Cutting Width: 14 inches
- Line Diameter: 0.065 inches
- Shaft Length: 18 inches
Pros
- Powerful Motor
- 2-in-1 Trimmer & Edger
- Automatic Feed Spool (AFS)
- Lightweight & Ergonomic
- Wide 14-Inch Cutting Swath
Cons
- Being corded limits mobility (needs outlet, manages cord).
- Line diameter is only 0.065 in — may wear faster on tougher vegetation.
- Some user reports indicate line-feeding issues or reliability problems.
If you’re looking for a reliable, budget-friendly string trimmer/edger to keep your lawn edges sharp, weeds trimmed and outdoor spaces tidy, the BLACK+DECKER BESTA510 delivers a strong combination of features and value. Whether you’re trimming around flower beds, walkways, fences or converting to an edger for clean sidewalk lines, this corded electric model offers simplicity, decent power and ease of use.
Key Features & Specs
The BESTA510 is a corded electric string trimmer featuring a 6.5 amp motor and cut path of approximately 14 inches. This gives you enough width to cover most standard yard trimming tasks quickly. One of its standout features is the “Automatic Feed Spool” (AFS) technology which advances the line automatically so you don’t have to bump or manually feed line as often. It also includes a 2-in-1 capability: rotating the unit transforms it from a trimmer into a wheeled edger to create clean edge lines along sidewalks, driveways or garden borders. Additional features include a cord retention system to reduce accidental unplugging, adjustable handle length and power transmission (POWERDRIVE) for better cutting performance.
From user feedback, the unit has received solid ratings. On Amazon the listing shows ~4.4 out of 5 stars across nearly 16,000 reviews.
Performance & Real-World Use
Many users report the BESTA510 is lightweight, easy to assemble and powerful enough for typical homeowner yards. On the Home Depot site, one reviewer said:
“Lightweight, easy to assemble, and powerful enough for small to medium yard tasks.”
In broader lawn-care reviews (such as LawnStarter), the trimmer was highlighted as one of the top electric weed eaters of the year, with users impressed by its motor strength, 8,000 RPM speed and automatic feed spool.
For example, a user wrote on Amazon:
“Lightweight, but gets the job done.”
These indicate that the tool is suitable for homeowners who need a dependable trimmer for regular upkeep rather than heavy professional use.
Ease of Maintenance & Features
Because it’s corded, you don’t have to worry about batteries running out mid-job. As long as you have a suitable extension cord and outlet, you’re ready to go. The automatic line feed reduces interruptions. However, you’ll still need to replace the spool or line eventually, and manage storage and cord management.
The adjustable handle and fairly simple design make it accessible for users of different heights and experience levels. The 2-in-1 trimmer/edger mode adds value for edging tasks without having a dedicated separate tool.
Limitations & Considerations
- Being a corded model, you will need access to an outdoor outlet and potentially use a long extension cord for larger lots. If your yard is far from power, this may be a limitation.
- While the automatic feed spool is convenient, some users noted that it may advance line too fast or use up spool line quicker than expected.
- For very heavy weeds, thick brush or commercial-grade landscaping, some users found it less robust than high-end models; one reviewer noted it “works well on grass, but has a little trouble on larger weeds or errant thin branches.”
- As with any corded tool, maneuverability is somewhat dependent on cord placement and ensuring you don’t trip over or restrict your working area.
Value & Ideal Users
This trimmer presents excellent value for homeowners with small- to medium-sized yards who want a tool that performs well without breaking the bank. With its automatic spool, decent cutting width and good reviews, it hits a strong balance of features for cost.
It’s ideal for:
- Regular yard maintenance (edging, trimming around flower beds, fences)
- Homeowners who prefer maintenance simplicity (no batteries to recharge)
- Those looking for a two-in-one trimmer/edger tool rather than buying separate devices
- Users who want a well-rated tool from a trusted brand
Conclusion
Overall, the BLACK+DECKER BESTA510 is a very good choice for residential yard upkeep. It offers solid performance for trimming and edging, with convenient features like automatic feed spool and 2-in-1 functionality. While it may not match professional-grade resilience for heavy brush or commercial use, for the average homeowner needing a reliable, budget-friendly trimmer, it offers strong value. Be sure you have an appropriate extension cord if your lot is large, and keep spare trimmer line on hand for longer jobs. With proper use and maintenance, this model should serve most home landscapes well.



