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TLDR Review: BLACK+DECKER LST300 Weed Whacker

By ShopSavvy Team

Published: March 16th, 2025

Pros

•Lightweight and easy to handle, enhancing usability.
•Convenient cordless design eliminates the need for cords, gasoline, or oil.
•Battery life exceeded expectations, allowing completion of a significant amount of yard work.
•Compatibility with existing batteries from previous models provides added convenience.
•Trims and edges effectively, although slightly slower than previous models.
•Suitable for users who know what features they want after experimenting with other products.

Cons

•Battery life can be a drawback, sometimes only lasting 10 minutes or as little as 3-4 minutes for some users.
•Does not automatically feed the string as advertised; requires manual feeding.
•May throw more debris in the air due to a smaller guard design.
•Some users experienced quality control issues, including a failed motor connection and an incompatible weed deflector.
•Users recommend considering a better or larger model for improved performance.

Bottom Line

The BLACK+DECKER LST300 Weed Whacker is a lightweight, user-friendly option ideal for smaller yards and those new to lawn care. While it offers compatibility with existing Black & Decker batteries and a convenient cordless design, be mindful of its limited battery life and potential quality control issues. For more demanding tasks, you might want to consider a model with a longer-lasting battery and greater cutting power.

Lowest at Amazon

$69.00 at Amazon

Lowest at any Popular Retailer

$64.99 at LivingSocial

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 110 retailers to give you the short version.