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15-in Split Shaft Attachment Capable Battery String Trimmer

Ratings & Reviews for Kobalt 15-in Split Shaft Attachment Capable Battery String Trimmer

4.7
132
Review
 4.7 out of 5
133 Reviews


93% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this cordless string trimmer for its powerful brushless motor, lightweight design, and dual-speed control that rivals gas-powered models. Most highlight exceptional performance on thick weeds, fence lines, and brush up to an inch thick, with many noting it outperforms previous gas trimmers. The lightweight frame reduces fatigue, while the snap-in head and bump-feed spool with 0.095" line enhance ease of use. Customers appreciate battery compatibility with existing systems and report sufficient charge after completing full yards. A few mention battery life concerns, but overall reviewers consider this a reliable, low-maintenance replacement for gas equipment.

Customer review summary generated by AI, including incentivized reviews.
133 Customer Reviews

Kobalt 48v MAX Longer lasting battery life that 24

Would Recommend

This Kobalt 48v MAX did not dissapoint at all, battery last much longer than a single 24v

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Really good performance for the price..it's great.

Would Recommend

I was really surprised with the performance of this weed eater..the battery life is really good and the weight is also great..love the 2 speed system

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very powerful and very quiet

Would Recommend

a beast. love the professional head

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It has enough run time for most yards

Would Recommend

I worked well. Also works with my ryobi attachments. I wish it came with at least 4 amp hour batteries since I have a lot of walk and fence to trim. I would recommend it to a friend

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Weed trimmer

Would Not Recommend

1. For me the battery time wasn't. enough to finish my property. 2. The charge time when the battery runs out is 1 hour so I couldn't finish what I started . 3. And it is a little heavy carry it around

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Response from Kobalt Team

Hello Rolandq760. Thank you for sharing your feedback. Running times can vary depending on grass thickness, trimming style, and how much load is plac...

Kobalt TeamApril 1, 2026

style, and how much load is placed on the tool, so heavier growth can shorten the battery life. For larger properties, having an additional set of batteries or rotating between charges can help avoid interruptions. A charging time of around an hour is typical for this battery size, making sure the batteries are fully cooled before charging can help maintain consistent performance. In terms of weight, this unit includes dual batteries and an attachment-capable design, which can make it feel heavier during extended use. Adjusting the handle position and using the shoulder strap (if compatible) can help improve balance and reduce fatigue.
Your feedback is helpful and highlights areas where setup and expectations can make a difference in overall experience. We hope you will find this information helpful. If you require any additional support, please contact 1-888-3KOBALT (1-888-356-2258). />

Good product

Would Recommend

Lightweight and perfect for our yard. We have a 1/3 acre and battery last.

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Best value

Would Recommend

Lightweight, works great, and great price. Uses standard 24v cobalt batteries, which are very cheap compared to the new ego line.

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Buy a back up battery set, it'll help tremendously

Would Recommend

I like that it's rechargeable but the only issue is the battery doesn't last as long as it states.

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48V Weed Cutter

Would Recommend

Love the product. Especially, utilizing my current 24v batteries. Does the job well.

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Pretty darn good.

Definitely more powerful than the standard 24v string trimmer. The quick connect system is also a plus. The dual batteries does add weight though.

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Worth it

Would Recommend

USB-c charging is an excellent upgrade. New 48v seems to be lighter in hand as well. Will be making the switch from 40v to 48v

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Great product

Would Recommend

This lawn mower, with its strong power, intelligent technology, and reliable quality, has become an ideal choice for efficient weed control, easily handling complex lawn environments

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