
Ratings & Reviews for Kobalt Gen4 40-volt 15-in Straight Shaft Battery String Trimmer
Ratings may include incentivized customer reviews.
What Customers Are Saying
The battery-powered trimmer provides good performance for most residential yard work, with a long-lasting battery, two speed settings, and a relatively lightweight and easy-to-use design. It cuts through grass and weeds effectively, though may struggle with thicker vegetation. The main drawbacks are the difficulty in restringing the trimmer head and the lack of availability for replacement parts. Overall, it is a solid choice for homeowners with small to medium-sized yards who want the convenience of a cordless trimmer.
Customer review summary generated by AI, including incentivized reviews.Hard to rewind string
Would Not RecommendWorks great but hard to get string on it !
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Cuts close and easy to use.
Would RecommendI've always been a little intimidated by trimmers, but this was easy to use and maneuver.
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Residential Use
Would RecommendOk for around the house. Handle kept slipping around on the shaft.
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Good buy!
Would RecommendEasy to assemble. Easy to use! Lightweight and powerful.
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Weed eater
Would Not RecommendEasy to assemble and battery charged quickly. Battery lasts a long time
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Very easy to use.
Would RecommendI bought this for my son. He loves it! He said, it’s the best weedeater he’s ever used.!
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Just so much easier
Would RecommendVery happy with my battery powered trimmer Cobalt is a great product so much easier than a gas product very very happy
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Kobalt
Would RecommendLighter than gas counter part and more power
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
hard to replenish string
Would Not Recommendthis Unit jammed the 1st time I used it. Found it very difficult to replenish the string. Gave up on the 2nd time after spending an hour on it.
Hello there, and thank you for reviewing the Kobalt String Trimmer. We are sorry to hear about the experience with the trimmer head jamming. We would...

Good machine
Would RecommendEasy to use, and lasts longer than I expected.
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Easy to use
Would RecommendGreat battery power and lasting
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Great Battery life
Would Recommendbattery life is good
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Love it
Would RecommendEasy quick assembly, not too heavy
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Can’t mess up!
Would RecommendLightweight and easy to handle. Has a safety to avoid getting hurt. Works great.
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Reliable with lots of power
Would RecommendMy second trimmer I purchased
From Gen4 40-volt 15-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Hi there! Thank you for taking the time to review the Kobalt KST 1040A-03. We're happy to hear that the trimmer is working well. However, we'...