BLACK+DECKER Weed Eater, Lawn Edger and vs LawnMaster CLMF4815E 48V MAX 15-inch Bru
Quick Verdict
For most homeowners with small to medium yards, the LawnMaster CLMF4815E offers the better overall value. It delivers more power (48V MAX vs. 20V MAX) and a dedicated brushless motor for longer runtime and lower maintenance. The BLACK+DECKER 3-in-1 combo is more versatile if you also need edging and trimming functions, but its 20V system limits cutting performance on thicker grass. Choose the LawnMaster for mowing efficiency; choose the BLACK+DECKER if you want a single-tool solution for multiple lawn tasks.
Side-by-Side
| Feature | BLACK+DECKER 3-in-1 | LawnMaster CLMF4815E |
|---|---|---|
| Price | $169.00 | $159.98 |
| Power | 20V MAX (battery) | 48V MAX (battery) |
| Cut Width | Not stated in title (likely 13–16") | 15 inches |
| Motor Type | Brushed (standard) | Brushless |
| Best Yard Size | Up to ¼ acre | Up to ⅓ acre |
| Versatility | Mower, edger, trimmer combo | Mower only |
| Rating | 4.0/5 (11,544 reviews) | 4.0/5 (4,276 reviews) |
Where BLACK+DECKER Wins
The BLACK+DECKER 3-in-1’s main advantage is versatility. It replaces three separate tools: a lawn mower, a string trimmer, and an edger. This saves storage space and eliminates the need to buy and maintain multiple batteries and chargers. For users with very small yards (under ¼ acre) who also need edging and trimming, this all-in-one design is convenient and cost-effective.
It also has a much larger review base (over 11,500 ratings), which indicates long-term reliability and widespread user satisfaction. The lower voltage (20V) makes the unit lighter and easier to maneuver, especially for lighter-duty tasks. If your grass is consistently short and your yard is small, the BLACK+DECKER handles basic mowing adequately while giving you edging and trimming capability in one package.
Where LawnMaster Wins
The LawnMaster CLMF4815E dominates in cutting power and runtime. Its 48V MAX battery system provides over twice the voltage of the BLACK+DECKER, meaning it can cut through thicker, taller, or slightly damp grass without bogging down. The brushless motor is more efficient, delivering longer runtime per charge and a longer motor lifespan with less maintenance.
The 15-inch cut width is wider than most 20V mowers, allowing you to cover your lawn faster with fewer passes. This makes it suitable for yards up to about ⅓ acre. The LawnMaster also costs $9 less than the BLACK+DECKER, despite offering higher voltage and a brushless motor. For pure mowing performance, it’s the clear winner.
Which Should You Buy
Buy the BLACK+DECKER 3-in-1 if:
- You have a very small yard (under ¼ acre) with thin, well-maintained grass.
- You also need a string trimmer and edger and want to consolidate tools.
- Storage space is limited, and you prefer a single unit for multiple jobs.
- You value lightweight maneuverability over raw cutting power.
Buy the LawnMaster CLMF4815E if:
- Your yard is up to â…“ acre with typical grass that may get thick or tall.
- You want a dedicated mower with superior power and longer runtime.
- A brushless motor (better efficiency, less maintenance) is important to you