Kobalt Gen4 40-volt 15-in Straight Shaft Attachment Capable Battery String Trimmer
Tackle tough weeds efficiently with the Kobalt Gen4 40-Volt String Trimmer. Powered by a brushless motor for extended run time and durability, this trimmer features a 15-inch cutting swath to cover ground quickly. The dual side bump head allows for effortless line advancement, while the variable-speed trigger provides precise control over power output. This kit includes a 4.0 Ah battery and charger, compatible across the Kobalt 40V tool family. It is designed for residential users needing reliable performance for medium-duty yard maintenance up to a half-acre.
$147.03
Owner Satisfaction
4.4
/ 5
Category Rank
50
/ 123
#50 in Weed Trimmers
Price vs Category Average
-27%
Below average
Power Source
40
/ Cordless Battery (-volt)
Who it's for
- High Versatility (Attachment Capable)
- Strong Cutting Performance
- Low Maintenance and Noise
Who should skip it
- Limited Runtime on Heavy Loads
- Potential for User Fatigue
- Line Feed Reliability Concerns
Key Specs
Power Source
Cordless Battery (40-volt)
Cutting Swath
15 inches
Line Diameter
0.080-in (Dual Line)
Weight
16.23 lbs
Shaft Type
Straight Shaft
Battery Capacity
4.0 Ah (Includes 1 Battery and Charger)
Warranty
5-year limited tool warranty
Certifications
cUL safety listing
Features
- Brushless motor for increased power and tool life
- 15-inch cutting swath covers ground quickly
- Dual-feed bump head for easy line advancement
- Quick-reload head simplifies line replacement
- Variable-speed trigger for precise control
- Adjustable front handle for user comfort
- Compatible with over 45 Kobalt 40V outdoor tools
What customers say
Customers overwhelmingly praise the Kobalt Gen4 string trimmer for its exceptional power and versatility. Its performance rivals gas models, easily handling standard edging and moderate weeds. The attachment capable straight shaft design is a major highlight, allowing users to swap heads for edgers or pole saws, maximizing utility. Battery runtime is consistently strong, supporting typical suburban yard work on one charge. While some users note the tool feels slightly heavy during extended use, the core sentiment focuses on outstanding value. This trimmer successfully blends significant power with the convenience of a battery platform, making it a highly recommended choice for homeowners.
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