TLDR Review: BLACK+DECKER 20V MAX String Trimmer
Verdict
This BLACK+DECKER 20V MAX* String Trimmer / Edger is a solid choice for small to medium-sized lawns, especially with its lightweight design, auto feed, and two included batteries that enhance mobility and convenience. However, the safety switch and battery longevity may pose challenges over time, and frequent recharging could become a hassle for larger projects. If you need a longer-lasting option or have more extensive yard work, you might want to consider a model with larger batteries or different durability features. For reliable, everyday yard maintenance, this trimmer offers a good balance of power and ease of use.
- Top pro:
- Comes with two batteries, which extends usage time and reduces downtime
- Top con:
- Small capacity batteries require frequent recharging, which can be inconvenient for larger jobs
Pros
- •Comes with two batteries, which extends usage time and reduces downtime
- •Lightweight and easy to maneuver, especially for edging and trimming tasks
- •Strong power performance, capable of handling thick weeds and long grass with ease
- •Auto feed feature operates automatically, minimizing user errors
- •Quick transition between trimming and edging positions enhances convenience
- •Compatible with other Black & Decker batteries, allowing for versatile battery sharing
- •Easy to assemble, with simple attachment of the guard and adjustable cutting line
- •Performs reliably without noticeable weakness during use, especially when batteries are charged
- •Effective at trimming along fences, sidewalks, and hard-to-reach areas
- •Includes features like a wheel for steady edging around walls or fences
Cons
- •Small capacity batteries require frequent recharging, which can be inconvenient for larger jobs
- •Safety switch can stick or become hard to press over time, causing operational issues (noted in about 6 months of use)
- •Trigger mechanism may wear down, requiring filing or replacement for smooth operation
- •Repair and reassembly can be challenging, needing careful handling to avoid damage
- •Safety switch design is sometimes inconvenient or problematic, with some users unable to bypass or modify it easily
- •Longer battery recharge times (about 6 hours for full charge) may delay larger projects
- •Batteries last approximately 20 minutes per full charge, limiting continuous use before swapping or recharging
- •Heavy use on high speed can deplete battery quickly, especially without additional spare batteries
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How we researched this
About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Oct 11, 2026.
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