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The EGO Power+ MST1603 is a professional-grade 16-inch cordless string trimmer powered by a robust 56V 4.0Ah lithium-ion battery offering up to 45 minutes of runtime. Featuring innovative POWERLOAD technology for instant line feeding, a lightweight carbon fiber shaft with lifetime warranty, and a digital two-speed selector, it delivers precision, durability, and ease of use. Designed for versatility with multi-head attachments and built to withstand weather with IPX4 rating, it’s backed by industry-leading warranties to keep your yard looking flawless with less effort.







| ASIN | B0BW85MWTL |
| Assembly Required | Yes |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Best Sellers Rank | #139,266 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #231 in String Trimmers |
| Brand | EGO Power+ |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (157) |
| Cutting Width | 16 Inches |
| Item Weight | 19.84 pounds |
| Item model number | MST1603 |
| Manufacturer | EGO |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Pattern | Attachment |
| Power Source | Battery Powered |
| Product Dimensions | 41.34"L x 11.81"W |
| Size | 16-in String Trimmer & G2 Power Head Kit |
| Speed | 8000 RPM |
| Style | 16-in String Trimmer & G2 Power Head Kit |
| UPC | 195532100684 |
K**J
You won't be disappointed!
The EGO Power+ MST1603 16-Inch 56-Volt Multi-Head Lithium-Ion Cordless String Trimmer is an absolute powerhouse that will revolutionize your lawn care routine! This versatile tool packs a serious punch with its robust 56-volt battery, delivering impressive performance without the hassle of cords or gas. The 16-inch cutting width allows you to tackle overgrown lawns with ease, while the lightweight design ensures that you can maneuver it around your yard without feeling like you’ve just completed an Olympic workout. One of the standout features is the multi-head capability, which means you can switch out attachments for different tasks, making it a true all-in-one tool for trimming, edging, and even blowing away those pesky leaves! Plus, the battery life is fantastic—enough to get through even the most ambitious landscaping projects without constantly worrying about a recharge. If you’re looking for a reliable, efficient, and environmentally-friendly string trimmer that makes yard work a little more enjoyable, the EGO Power+ MST1603 is the way to go. Get ready to impress your neighbors with your perfectly manicured lawn—and maybe a little less sweat on your brow!
D**Y
Powerful but Heavy for Some
Powerful. Capable. But heavy. I recommend buying the backpack battery holder, if you have back issues as I do. In addition to making the weedeater less heavy in the hand, you might use a bigger battery than you might otherwise choose.
J**S
Good but be mindful of runtimes
Lightweight, quiet, overall good trimmer but it’s advertised as a cut time of 45minutes but that seems like a reach. Especially on the higher speed settings and thick foliage. It does cut really good especially with the include line but the run time just seems short. But it is advertised as a more of a trimmer than actual weedeater/mower so i guess that’s to be expected.
C**B
Very powerful. I love it.
This is an outstanding trimmer. I have gone through no less than half a dozen cordless trimmers from three or four different manufacturers, and they all were underpowered and wimpy. I literally have a collection of trimmers in my shed that I'm trying to sell on Facebook marketplace. This one however will probably be the last one I ever have to buy until it wears out. I love the power. I love the versatility of changing heads. I love the length of time the battery lasts. It's a good product. A bit pricey but worth it.
P**L
Powerful multi-use tool for your yard
Highly recommended tool if you are using the EGO battery tool system for your yard tools. I already have an ego lawn mower and leaf blower and wanted to add an extra tool to the stable. I only really needed the weed wacker at this time, but can't foresee using the swappable tool ends for future expansion. The weed wacker works really well. My father-in-law is a landscaper and he usually swears by gas powered tools but he actually enjoys using the electric weed wacker tool.
P**L
Wonderful electric weed whip and attachments
Wonderful. Easy to use. Durable. Easy attachment changeover. You will never go back to gas power. Durable battery.
R**Y
Broken After Fifth Use
This is pretty ideal for a string trimmer, it is powerful and relatively quiet. The downfall is the tiller attachment, it is too heavy for the powerhead shaft. I used it Three times last season, and it did a good job breaking up the soil and making a smooth bed. This season, I took it out of the garage and assembled it, did some weed whacking, then I tried to do some tilling after forking up a bed. The attachment felt pretty loose and wobbly, when I tried to do a second bed. The carbon fiber shaft broke apart from the powerhead. After an hour on the phone with Customer Service they told me I had to bring it to a local service center which said they could look at it in two weeks. Well, two weeks without my tool went by and they are telling me they won’t honor the lifetime warranty on the carbon fiber shaft. I am highly disappointed in the EGO brand, now I have a bunch of attachments I can’t use. After several hours on the phone getting the runaround, I realized my only option was to buy a new powerhead for almost $200 or lose all the money I spent on these useless attachments.
B**G
Works flawlessly with some surprises
First thing that's surprising is the battery life. It takes me at least 30 to do trimming and the 4ah battery has no problem powering the trimmer for that long. Recharge time is about an hour. Second is how well the auto line feeder works. I've never had any luck with lines feeders. My old trimmer had single line heads, no auto. I've used this for months and never a problem. When the line gets short it automatically feeds me line. Also the power winding for refilling works excellent and is a great feature. I've not had to fight with either feeding or winding new line. Unit has plenty of torque and power. Nearly equal to my 2 stroke unit. Very pleased overall. Highly recommend and would buy again
R**R
A little bit heavy More power than my old John Deere gas powered Well balanced Used for 1 summer on our country property and tool and battery are like new 2 speeds are nice for around things that can get damaged, low speed still has lots of power Only reason for 4 and not 5 star is the weight and cost, but I think until lighter batteries are made the weight can’t be helped if you want good,long lasting batteries. Nice easy starting compared to my old gas trimmer Can do my whole yard on 1 charge.20-30 minutes About 1hr to charge battery
S**.
Very good product, worked as expected.
Trustpilot
3 weeks ago
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