I have several hour's worth of mowing where my lawn mower and walk-behind trimmer cannot easily (safely) go. Mostly due to steepness of slope and uneven ground.
About two years ago, I got the flex-volt chainsaw and was impressed with its power and battery life. The thought of a second battery was tempting, but the price was daunting, so I waited until the need for a new trimmer was imperative. The trimmer with battery and charger is not that much higher than the battery alone. So far that looks like a good move. (After at least 20 chainsaw battery discharge / recharge cycles with no obvious battery degradation, I have some confidence in the investment. Admittedly, the reports of battery problems and the local absence of customer support are somewhat troubling. My own experience with De Walt tool repair has been that a new power tool can be bought for less than the cost of even the most minor of repairs. To say nothing of the time required. In fairness, these tools far out-lived their three year warranty under fairly heavy use.
Because of the many reports of bump-feed reloading issues and the absence of an effective debris shield I ordered the package deal for a real shield, better hub, and string. I plan to swap out the hub when it is empty. (I'll see if it can be reloaded in a shop setting as a useful backup. If not then, "good bye.") The hub and string arrived shortly after the trimmer. The shield is supposed to arrive soon.
So. I had a few hours of heavy trimming to do. More overgrown than I like to see. It did great! The bump-feed worked flawlessly; the string was reasonably durable; plenty of power on the "low" setting. The battery lasted for the whole job. And yes, I looked like I'd been spitting into the wind of a mower discharge. The only justification for this I can think of is to wonder about the balance issue of a real shield, which may become heavy when loaded with a buildup of wet debris. (I'll be reporting on this when I review the large shield.)
So far, so good.
Update: Almost one year later. I finally used up the trimmer string that came with the unit. Turns out that the replacement string I bought was not that difficult to install and at least initially bump-feeds out just fine. The instructions and illustrations could be better. I could never find an arrow on the thing, but there was a short projection that allowed for correct alignment when feeding in the new string.
I'm attempting to attach some pictures of an air filter I built to protect the motor from overheating after the air inlets almost instantly become clogged. These are not that easy to clean after every half hour of use. One of the pictures shows the air inlets, after maybe twenty hours of heavy-duty mowing, when I removed the filter for the first time. Perfectly clear! Warning: If you try this, do not tape over the exhaust port, which is right in the natural base of this attachment. Quite probably a white sock and a rubber band would do the same. I finally got some pictures to attach. A simple fix for a heavy, wet mowing issue. I was lucky not to burn up this motor before seeing what was going on.
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This Item  DEWALT FLEXVOLT 60V MAX* String Trimmer, Brushless, Two Speed, 15-Inch, 3-Ah Battery (DCST970X1) |  |  |  |  |  | |
| Price | $299.00 | $380.88 | $391.15 | $219.99 | $424.99 | $19.00 |
| Delivery | Get it Apr 30 - May 2 | Get it May 2 - 6 | Get it May 2 - 6 | Get it as soon as Wednesday, May 1 | — | — |
| Customer Ratings | ||||||
| Battery life | ||||||
| Light weight | ||||||
| Easy to use | ||||||
| Maneuverability | ||||||
| Sold By | Acme Tools | Fleet Tool | Fleet Tool | Amazon.com | buythisnao | Amazon.com |
| power source | Battery Powered | Battery Powered | Battery Powered | Battery Powered | Battery Powered | — |
| cutting width | 15 inches | 17 inches | 17 inches | 15 inches | 17 inches | 0.08 inches |
| assembly required | ✗ | ✓ | ✓ | ✗ | ✗ | ✗ |
| weight | 12 pounds | — | — | 9.93 pounds | 23 pounds | — |
Reviews with images
Dewalt has made the perfect string trimmer, despite hating their customers
Let’s be clear: this is the best string trimmer I have ever used:No mixing oil... I don’t understand why 2 strokes trimmers are still a thing. It’s costly, wasteful, and requires separate fuel supplies to be kept. Even better than a 4 stroke, the Dewalt flexvolt string trimmer requires neither oil nor gas.There’s no idling engine, the Dewalt flexvolt trimmer only makes noise when you’re using it and it makes less running noise than gas models. It is extremely power and doesn’t get bogged down.No pull start. Once the Mbte starts to get to small engines and they require several pulls to start, it’s a miserable thing. No hokey drill starters either, just pull the trigger on the Dewalt and it spins.No compromises. The dewalt flexvolt string trimmer lasts a long time on a charge. It’s light, well balanced, powerful, and competitively priced against 4 stroke models and other cordless models.There is a little to be desired. A larger deflector is needed. You will get completely covered head to toe in debris using it. Also it’s motor in head design makes future attachments impossible, although string trimmer attachments are almost always obsurdly overpriced and wonky.So why one star? The battery dies. I’m told they’re dropping like flies. When mine went, it claimed a full charge in all my dewalt chargers but it was discharged.No big deal right? There’s a generous 3 year warranty.Dewalt, however, hates their customers and would like to discourage you from claiming a warranty. They will make you jump through absurd hoops... they really are obnoxious.I called dewalt about the battery and they said that it had to be replaced at a service center; that it can’t be cross shipped. Annoying, but probably quicker.Next annoyance: the closest service center is 45 miles from me. Sounds like a Saturday trip...The service centers are closed on Saturday. Also they’re closed on Sunday... also they close at 5pm during the week. They do this because they hate their customers, the overwhelming majority of whom work for a living.So I used some sick time and left work early to make it to the service center. The employee was nice and knowledgeable. She quickly diagnosed my battery as completely dead.Again the $209 3/9amp 20/60v battery was completely dead... after 11 months, only 3 of which it was used... even then biweekly for about an hour at a time... always charged to full and then removed and stored in a cool dry room. Clarifying: there was 6 cycles on this battery last summer and maybe 2 this summer. 8 cycles, never left discharged, never run down to empty, never abused.Fine: it’s a defective battery. There’s a slight inconvenience swapping it out. There is, again, a three year warranty.There’s more: the dewalt service centers do not have this battery because of excessive problems with it. So one would have to be shipped out... so there was absolutely no point going to the service center.So after dewalt sends me through these hoops they will ship me out a battery in what? 2 days? 3 days?5 days?No. 8 weeks. That’s no joke. They took my battery and I can expect a replacement, which may last another 8 cycles, in 2 months... it’s the end of July... so I can trim my weeds again in October? No offer to buy back their defective product, no offer to swap it with 2 6 amp batteries or their new 12 amp.8 weeks. 8 summer weeks with no string trimmer. That’s acceptable for dewalt. They’re proud of their customer service and I’m important to them. Perhaps I should buy a second failure of a battery for $209, in stock oddly at my local hardware stores but dewalt can’t get their hands on one for 8 weeks.8 weeks.
Top reviews from the United States
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Reviewed in the United States on May 29, 2021
Style: String Trimmer Kit OnlyVerified Purchase
I have several hour's worth of mowing where my lawn mower and walk-behind trimmer cannot easily (safely) go. Mostly due to steepness of slope and uneven ground.
About two years ago, I got the flex-volt chainsaw and was impressed with its power and battery life. The thought of a second battery was tempting, but the price was daunting, so I waited until the need for a new trimmer was imperative. The trimmer with battery and charger is not that much higher than the battery alone. So far that looks like a good move. (After at least 20 chainsaw battery discharge / recharge cycles with no obvious battery degradation, I have some confidence in the investment. Admittedly, the reports of battery problems and the local absence of customer support are somewhat troubling. My own experience with De Walt tool repair has been that a new power tool can be bought for less than the cost of even the most minor of repairs. To say nothing of the time required. In fairness, these tools far out-lived their three year warranty under fairly heavy use.
Because of the many reports of bump-feed reloading issues and the absence of an effective debris shield I ordered the package deal for a real shield, better hub, and string. I plan to swap out the hub when it is empty. (I'll see if it can be reloaded in a shop setting as a useful backup. If not then, "good bye.") The hub and string arrived shortly after the trimmer. The shield is supposed to arrive soon.
So. I had a few hours of heavy trimming to do. More overgrown than I like to see. It did great! The bump-feed worked flawlessly; the string was reasonably durable; plenty of power on the "low" setting. The battery lasted for the whole job. And yes, I looked like I'd been spitting into the wind of a mower discharge. The only justification for this I can think of is to wonder about the balance issue of a real shield, which may become heavy when loaded with a buildup of wet debris. (I'll be reporting on this when I review the large shield.)
So far, so good.
Update: Almost one year later. I finally used up the trimmer string that came with the unit. Turns out that the replacement string I bought was not that difficult to install and at least initially bump-feeds out just fine. The instructions and illustrations could be better. I could never find an arrow on the thing, but there was a short projection that allowed for correct alignment when feeding in the new string.
I'm attempting to attach some pictures of an air filter I built to protect the motor from overheating after the air inlets almost instantly become clogged. These are not that easy to clean after every half hour of use. One of the pictures shows the air inlets, after maybe twenty hours of heavy-duty mowing, when I removed the filter for the first time. Perfectly clear! Warning: If you try this, do not tape over the exhaust port, which is right in the natural base of this attachment. Quite probably a white sock and a rubber band would do the same. I finally got some pictures to attach. A simple fix for a heavy, wet mowing issue. I was lucky not to burn up this motor before seeing what was going on.
About two years ago, I got the flex-volt chainsaw and was impressed with its power and battery life. The thought of a second battery was tempting, but the price was daunting, so I waited until the need for a new trimmer was imperative. The trimmer with battery and charger is not that much higher than the battery alone. So far that looks like a good move. (After at least 20 chainsaw battery discharge / recharge cycles with no obvious battery degradation, I have some confidence in the investment. Admittedly, the reports of battery problems and the local absence of customer support are somewhat troubling. My own experience with De Walt tool repair has been that a new power tool can be bought for less than the cost of even the most minor of repairs. To say nothing of the time required. In fairness, these tools far out-lived their three year warranty under fairly heavy use.
Because of the many reports of bump-feed reloading issues and the absence of an effective debris shield I ordered the package deal for a real shield, better hub, and string. I plan to swap out the hub when it is empty. (I'll see if it can be reloaded in a shop setting as a useful backup. If not then, "good bye.") The hub and string arrived shortly after the trimmer. The shield is supposed to arrive soon.
So. I had a few hours of heavy trimming to do. More overgrown than I like to see. It did great! The bump-feed worked flawlessly; the string was reasonably durable; plenty of power on the "low" setting. The battery lasted for the whole job. And yes, I looked like I'd been spitting into the wind of a mower discharge. The only justification for this I can think of is to wonder about the balance issue of a real shield, which may become heavy when loaded with a buildup of wet debris. (I'll be reporting on this when I review the large shield.)
So far, so good.
Update: Almost one year later. I finally used up the trimmer string that came with the unit. Turns out that the replacement string I bought was not that difficult to install and at least initially bump-feeds out just fine. The instructions and illustrations could be better. I could never find an arrow on the thing, but there was a short projection that allowed for correct alignment when feeding in the new string.
I'm attempting to attach some pictures of an air filter I built to protect the motor from overheating after the air inlets almost instantly become clogged. These are not that easy to clean after every half hour of use. One of the pictures shows the air inlets, after maybe twenty hours of heavy-duty mowing, when I removed the filter for the first time. Perfectly clear! Warning: If you try this, do not tape over the exhaust port, which is right in the natural base of this attachment. Quite probably a white sock and a rubber band would do the same. I finally got some pictures to attach. A simple fix for a heavy, wet mowing issue. I was lucky not to burn up this motor before seeing what was going on.
Images in this review
Top reviews from other countries
Guillaume Pelletier
Much better than the Dewalt mower-- Very happy with this one
Reviewed in Canada on September 24, 2023Style: String Trimmer Kit OnlyVerified Purchase
Amazon Customer
Powerful, weighty, and remember to wear safety glasses!
Reviewed in Canada on May 21, 2017Style: String Trimmer Kit OnlyVerified Purchase
Stephen
Extremely well built
Reviewed in Canada on December 26, 2021Style: String Trimmer Kit OnlyVerified Purchase
Norman Demers
Highly recommend
Reviewed in Canada on September 15, 2023Style: String Trimmer Kit OnlyVerified Purchase
Master
Not a win for Dewalt.
Reviewed in Canada on June 8, 2017Style: String Trimmer Kit OnlyVerified Purchase
