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15 Best Battery Operated Weed Eaters for a Neat Backyard

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A man using a weed eater a backyard

The finer details of an article, the dotting of the i’s and the crossing of the t’s, distinguish quality from negligent dribble. In dressmaking, it’s the seams;  and in gardening, it’s the edges. Fix the borders of a lawn, and you’ve made a good start to a better-looking garden. Neglect your borders, and they will detract from everything else.

Whether you call it a line trimmer, a weed eater, or a whipper snipper (as the Australian’s do), it remains one of the best solutions to cutting grass or weeds where a solid blade would be neither effective nor safe.

The continued development of electricity storage technologies ensures that batteries get smaller, last longer, charge faster, and deliver more punch. Add the ability to charge them off the grid, and you have a solution to noise and air pollution on a machine that does what only it can do – the battery-powered string trimmer.

We reviewed more than 40 battery-powered line trimmers and shortlisted 15 for your consideration. We then categorized them according to price and Amazon reviews. Let’s take an in-depth look at each one and see what could work for you. We’re also going to look at some interesting science facts – calculating the actual speed of the line as it cut’s through the plants (theoretically). Enjoy.

A. The 5 Top Line Trimmers

ModelBatteryWidthWeight (lbs)Amazon Reviews4 & 5-Star Reviews
Makita XRU15PT1 36V (18V X2) LXT18V x 2 0.5Ah15″211,00196-percent
EGO Power+ ST1521S 15-Inch String Trimmer with POWERLOAD and Carbon Fiber Split ShaftArc Lithium 56v 5.0Ah15″1270594-percent
Milwaukee 2825-21ST M1818V Lithium-Ion 8Ah16″2.237392-percent
DeWALT DCST922P1 20V MAX String Trimmer Kit, 5-Ah20V Lithium-Ion 5Ah14″13.3793291-percent
EGO Power+ ST1534 15-Inch 56-Volt Cordless Rear Motor String Trimmer KitArc Lithium 56v 5.0Ah15″22.660390-percent

1. Makita XRU15PT1 36V (18V X2) LXT

Makita has, over the decades, built a formidable reputation for quality and innovation. As string trimmers go, the Makita XRU15PT1 36V LXT is in a class of its own. While we looked at other machines incorporating some of the technology (like torque response), Makita outperformed them all.

Their direct drive BL Brushless Motor system provides the highest power and most intelligent torque response to varying environmental demands. When you need power, the machine gives it to you, and when there is less demand placed on the motor, it automatically adjusts, lowering the revs.

The automatic torque-drive mode only shifts from 3,500 to 6,500 RPM when power is required to optimize run times.

Speaking of RPM (revs per minute), at 6,500 RPM, how fast is the string moving on a 15-inch diameter?

Circumference = diameter x PI = 15 x 3.1416 = 47.124 inches

At 6,500 rpm, the tip of that 0.080-inch string is covering 306,306 inches a minute (6,500 x 47.124)

There are 63,360 inches to the mile, so our little string covers about 4.83 miles (306,306 / 63,360) a minute or 290 miles per hour (4.83 x 60). Yep, that’s seriously fast.

The Makita XRU15PT1 36V LXT has 3-speeds:

  • Low: 3,500 RPM
  • Medium: 5,300 RPM
  • High: 6,500 RPM

With its 15-inch cutting swath, you get added productivity.

Protecting your battery from overload, over-discharge and overheating is the bespoke Star protection computer controls™ for efficient power management.

  • Overload protection allows battery and tool to communicate to protect from overload
  • Over-discharge protection extends battery life by stopping the tool when the battery is low
  • Overheat protection monitors battery temperature, stopping tool before the battery is damaged.

Landscapers are demanding more cordless alternatives to gas-powered outdoor power equipment. Makita meets demand with an expanding line-up of cordless OPE (Outdoor Power Equipment), including the flagship 18V X2 (36V) LXT Brushless Cordless String Trimmer Kit (model XRU15PT1). With zero emissions, lower noise and considerably less maintenance than gas-powered string trimmers, the 18V X2 (36V) LXT Cordless String Trimmer is a welcome solution for landscapers.

It’s powered by two fast-charging 18V LXT batteries for maximum power and run time without leaving the strongly preferred 18V battery platform. Electronic controls efficiently use battery energy to match the changing demands of the application for increased power and speed when needed.

In addition, the string trimmer rotates in the same counter-clockwise direction as professional-grade trimmers and uses industry-standard spindles (M10x1. 25 LH) for added convenience. With the efficient Makita BL brushless motor, the trimmer delivers a longer run time, more power and speed, and longer tool life.

Makita’s efficient BL Brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time per battery charge than similar non-brushless tools. The XRU15PT features a Makita-built Outer Rotor Brushless Motor with direct drive, providing high power and increased torque.

The String Trimmer features Makita Extreme Protection Technology (XPT). XPT is a protective seal inside the tool and is engineered for improved operation in harsh conditions by channeling water and dust from key internal components. It’s part of Makita’s expanding 18V LXT System, the world’s largest cordless tool system powered by 18V lithium-ion slide-style batteries.

Makita 18V Lithium-Ion batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger. For improved tool performance and extended battery life, Makita created Star Protection Computer Controls.

Star Protection is a communication technology that allows the Star Protection-equipped tool and battery to exchange data in real-time and monitor conditions during use to protect against overloading, over-discharging and overheating. For increased versatility, the tool can also be powered by Makita 18V LXT and Compact Lithium-Ion batteries, with the star symbol on the battery indicating star protection inside.

Makita is a Japanese company that operates factories across the world, including the U.S.A.


2. EGO Power+ ST1521S 15-Inch String Trimmer with POWERLOAD and Carbon Fiber Split Shaft

Picture of the EGO Power+ ST1521S and Amazon review stats

EGO features twice in our top-five listing. No wonder, as the company produces some great outdoor power equipment (OPE). EGO is a Chevron Corporation product, and some heavy investment has gone into setting this brand up as a leader in the OPE sector. Below is a quote from the Chevron website.

Introduced in 2014, the groundbreaking EGO POWER+ platform is rated #1 in the industry based on power, performance, durability, and value.

All EGO POWER+ products share the unique ARC-Lithium™ Battery and Charger system, allowing for complete interchangeability among all EGO products. Each EGO POWER+ product is designed to provide superior performance to make yard maintenance easier and more enjoyable. EGO delivers on the promise of “The power and performance of gas/petrol without the noise, fuss and fumes.”

CUTTING WIDTH15-inches
RUN TIME 4.0AH45 minutes
RUN TIME 5.0AH110 minutes
RUN TIME 7.5AH160 minutes
SPEED MODESVariable speed
LINE DIAMETER0.95-inches
LINE FEEDRapid reload bump feed head
ROTATING DIRECTIONClockwise

EGO’s patent is pending on their world’s first String Trimmer with POWERLOAD Technology. One of the pain points of using a string trimmer is the string. EGO has come up with a unique solution, the POWERLOAD. POWERLOAD technology automatically winds your trimmer.

Replacing your string line is as easy as feeding the line into the head and pressing a button! The EGO POWER+ 15” POWERLOAD String Trimmer has a Carbon Fiber shaft that is stronger than any other string trimmer shaft on the market today.

The shaft is equipped with a lifetime warranty, so the strength and durability are guaranteed to last forever! This revolutionary trimmer uses a bespoke hi-efficiency brushless motor, bump feed line advance, .095” professional cutting line and is compatible with all EGO ARC Lithium batteries to maximize cordless convenience and deliver Power Beyond Belief.

The quintessential element of EGO products is their unique power-cell technology. The company has invested millions in getting the heart of each OPE product better than any competitor.

Designed from the ground up to deliver petrol-matching performance, the EGO Power+ Arc Lithium 56v battery has an innovative design to maximize battery cooling. Unlike conventional brick-shaped batteries where the cells are packed together, overheat, and shut down, our unique Arc design dissipates heat more effectively.

Keep Cool™ Technology

It’s not just the innovative Arc design that helps prevent overheating. Each cell is surrounded by our unique Keep Cool™ material that absorbs heat energy and keeps cells at their optimum temperature for longer.

Intelligent Power

The EGO Power+ Arc Lithium 56v battery uses intelligent power management to monitor and optimize each cell constantly, so you always get the very best power, performance, and run time.

Fast Recharge

Not only does EGO Power+ Arc Lithium 56v battery deliver the industry’s highest energy capacity in a portable handheld battery, it’s also the fastest to recharge.

Real Flexibility

The same Arc Lithium battery fits every tool in the EGO Power+ range. Just click the battery in and you’re ready to go.

Peace of Mind

All EGO Power+ products come with a domestic user 5-year warranty on tools and a 3-year warranty on batteries. The warranty for commercial users is 12 months.

The EGO Power+ system delivers petrol-matching power but without any of the downsides. The system is simpler, cleaner, quieter, and with less vibration, it is more comfortable to use. With lower running and maintenance costs, switching to EGO Power+ will lead to long-term savings. Plus, with zero emissions during use, you can do your bit to reduce your impact on the environment too.


3. Milwaukee 2825-21ST M18

Picture of the Milwaukee 2825-21ST M18 and Amazon review stats

Designed to meet the needs of landscape maintenance professionals, the M18 FUEL™ String Trimmer kit w/ QUIK-LOK™ provides you with the power to clear thick brush, reaches full throttle in under 1 second, and features a balanced design that increases user control.

The cordless string trimmer consists of the M18 FUEL™ Power Head w/ QUIK-LOK™ and QUIK-LOK™ String Trimmer Attachment. This M18 FUEL™ Power Head, part of the M18 FUEL™ QUIK-LOK™

The attachment system is compatible with multiple attachments such as their Edger, Articulating Hedge Trimmer, and Pole Saw Attachment. This gives you the ability to quickly swap out attachments on a single powerhead, delivering ultimate versatility and a lower cost of ownership.

The POWERSTATE™ Brushless Motor delivers up to 6,200 RPM with up to a 16-inch cutting swath and gives you the power to maintain speed in demanding applications without bogging down. The motor is positioned in the rear of the trimmer to provide the best combination of power, balance, and maneuverability.

REDLINK PLUS™ intelligence gives you maximum performance while protecting from overload, overheating and over-discharge. The advanced electronic package also delivers instant throttle response, high and low speeds, and a variable speed trigger giving you ultimate control over the power range.

The M18™ REDLITHIUM™ HIGH OUTPUT XC8.0 Battery (sold separately) gives you best-in-class performance and run-time in all applications. The Easy Load Trimmer Head provides you with an easy line loading experience and the ability to load up to 25′ of trimmer line in under 30 seconds. Our M18 FUEL™ String Trimmer w/ QUIK-LOK™ is part of the M18™ system, fully compatible with over 200 tools.

Power to Clear Thick Brush

POWERSTATE™ Brushless Motor sustains power under load without bogging down, powering through the most demanding applications.

REDLINK PLUS™ Intelligence constantly monitors and controls the power delivery from the battery to the motor, ensuring maximum performance.

Full Throttle Under 1 Second

REDLINK PLUS™ Intelligence provides instant acceleration, reaching full power in under 1 second.

Balanced Design, Increased Control

The balanced design is optimized to increase control and reduce user fatigue during use.

Quik-Lok™ Attachment System Multiple Attachments Powered by a Single Power Head

  • String Trimmer Attachment
  • Edger Attachment
  • Articulating Hedge Trimmer Attachment
  • 10-inch Pole Saw Attachment
  • 3-foot Attachment Extension

4. DeWALT DCST922P1 20V MAX String Trimmer Kit, 5-Ah

Picture of the DeWALT DCST922P1 and Amazon review stats

This 20V MAX* 14-inch String Trimmer features an innovative folding hinge mechanism that reduces the length by 40% for accessible storage and quick portability.

The QuickLoad Spool of the edge trimmer allows for fast and easy line replacement of the DEWALT 0.080-inch line.

The 14-inch swath gives a large cutting radius for knocking down wide sections of overgrowth in one pass.

The variable speed trigger of the grass cutter offers precise power control and performance and run-time management with the Hi/Lo speed control switch.

Specifications

CordlessYes
Width5.375 in.
Height39.125 in.
Depth10.125 in.
Weight7.9 lbs.
Batteries Included1
Battery Amp Hour5 Ah
Battery System20V MAX
Battery TypeLi-Ion
Battery Warranty3 Year
Bluetooth CompatibilityNo
Case IncludedNo
Charge Time90 Minutes
Charger IncludedYes
Cutting Capacity13 in
Drive Shaft Length38 in
Drive Shaft TypeStraight
Handle TypeIn Line
Line Diameter0.080 in
Line Feed SystemBump
Motor TypeBrushless
No-Load Speed (RPM)4600/6000
Power SourceCordless
Speed SettingsVariable
Starter TypeElectric
Voltage20V
Wifi compatibilityNo

5. EGO Power+ ST1534 15-Inch 56-Volt Cordless Rear Motor String Trimmer Kit

Picture of the EGO Power+ ST1534 and Amazon review stats

This is our second trimmer from EGO, the cordless specialists. EGO Power+ delivers gas-matching power but without noise, fuss or emissions.

Their industry-leading 56V Arc Lithium battery technology offers a new level of performance, giving you the power you need to keep working hard until the job’s done.

With impressive run times and fast recharge, there is no need to purchase or store highly flammable fuel; instead, you get the freedom to work emission-free. All of EGO’s 56V Arc Lithium batteries fit every tool in the EGO Power + 56V range for total flexibility. Just click the battery in, and you’re ready to go. When you try this revolutionary cordless system, you’ll never look back.

The 56V Arc Lithium battery powered by EGO Power+ line trimmers gives you all the power you need to tackle the toughest jobs. The quick-adjust loop-handle can be positioned for optimum balance and control, while the large cutting swathe cuts any task down to size. Plus, the variable speed control ensures consistent trimming every time.

Built with ease-of-use in mind, ergonomic design, super-fast charging and groundbreaking Powerload™ technology combine to create a truly revolutionary tool.

EGO’s range of Line Trimmers includes options suitable for different types of terrain and even the toughest rough ground; wider handles for control over larger areas and bigger tasks, single-shoulder and double-shoulder harness for extra comfort and support, plus a Brush Cutter blade head for tackling tougher undergrowth.


B. 5 Good Medium Priced Line Trimmers (between $100 and $200)

ModelBattery DetailsWidthWeight (lbs)Amazon Reviews4 & 5-Star Reviews
WORX Nitro WG186.9 40V Power Share PRO  15″ Cordless String Trimmer Nitro 40V (20 +20) 4.0Ah PRO15″11.8840100-percent
BLACK+DECKER (LST136) 40V Max String Trimmer / Edger, 13-Inch40V Lithium-Ion13″7.86,69790-percent
Greenworks 40V 12 in. Front Mount String Trimmer with 2Ah Battery and Charger, 210160240V Lithium-Ion 2Ah12″9.22,93990-percent
Cordless String Trimmer – KIMO 2-in-1 String Trimmer/Edger20V Lithium 2.0Ah10″3.54686-percent
Greenworks 40V 13-Inch Cordless String Trimmer/Edger, 2.0 AH Battery Included40V Lithium-Ion 2Ah13″9.2611,56382-percent

1. WORX Nitro WG186.9 40V Power Share PRO  15” Cordless String Trimmer

Picture of the WORX Nitro WG186.9 and Amazon review stats

The Worx Nitro WG186 40V Power Share Cordless Attachment-Capable Driveshare 15” String Trimmer was designed to give any lawn or property professional-looking landscaping results.

Drive share is the Worx system of lawncare attachments (sold separately) that turn your String Trimmer into a Hedge Trimmer, Brush Cutter, Pole Saw, or Edger. Save money and space by purchasing the Driveshare system rather than 5 separate tools.

You gain the capability of an entire lawncare detailing system when you start using Drive share. But what truly sets the Nitro 40V String Trimmer apart from your average battery-operated trimmer is its gas-like performance.

This isn’t your standard 20V cordless trimmer. We’ve doubled its potential, and when paired with two high-capacity Power Share PRO batteries, you’ll enjoy power comparable to gas-powered trimmers without the expense, fumes, or mess. The cutting line length is 20 ft., and the line diameter is 0.095 in. The specs of this String Trimmer are comparable with commercial-grade outdoor power tools. The Driveshare attachment trimmer system was engineered to provide functionality that’s perfect for property owners with larger, more complex lawns. This model is a bare tool only. Batteries and Charger sold separately.

  • Powered by two 20V Max Power Share batteries for 40V of total power and performance.
  • Innovative Command Feed™ spool system offers instant line feeding at the touch of a button.
  • Variable speed throttle control extends run time and provides power for various grass conditions.
  • Professional-grade trimmer line for professionally landscaped results.
  • Adjustable, D-grip handle on the shaft enables smooth, comfortable swipes.
  • Pivoting cutting head can adjust to any sloped terrain for easy trimming.

What’s in The Box

  • (1) – 2X20V String trimmer
  • (2) – 20V MaxLithium Batteries (WA3575)
  • (1) – 20V Dual-Port Battery Charger (WA3878)
  • (1) – Spool (WA0014)
  • (1) – Safety Guard

Specifications

Rated Voltage40V MAX
No-Load Speed7500/min
Cutting Diameter13 in.
Line Diameter.080 in.
Cutting Line Length1 x 20 ft.
Charging Time≈ 60 mins
Machine Weight8.6 lbs.
Warranty5 yrs.

FAQ


2. BLACK+DECKER (LST136) 40V Max String Trimmer / Edger, 13-Inch

Picture of the Black+Decker LST136 and Amazon review stats

Packed with POWERDRIVE™ Transmission and a 40V MAX* lithium-ion battery, this power string trimmer has the muscle to tackle tough weeds and overgrowth.

An Automatic Feed Spool AFS® ensures continuous work without bumping. Battery and charger are sold separately, so this is ideal for the gardener that already has a Black+Decker POE.

Just a word of warning – some of the reviews claim that the auto-feed is rather aggressive and that it results in the spool not lasting as long as other machines. Other than that, as can be seen from the reviews, gardeners love it.

Features and Benefits

  • BLACK+DECKER™’s electric lawn and garden equipment releases zero emissions in your yard, helping to reduce your carbon footprint
  • Compatible with powerful 40V MAX* Lithium Ion rechargeable battery delivering the power with long run-time to complete the toughest jobs (battery and charger not included)
  • Use PowerCommand dial to choose between max power to tackle thick weeds and max runtime to increase battery life
  • The PowerDrive Transmission™ delivers more power from the motor to the cutting string so you can get the job done faster
  • The Automatic Feed Spool™ ensures continuous work without bumping and having to stop to adjust the spool
  • Easily converts from trimmer to edger

Specifications

CUTTING SWATH13 in
FEED SYSTEMAutomatic
LINE DIAMETER.065 in
POWER SOURCELithium-Ion Battery
REPLACEMENT ACCESSORIESAF-100
RPM6500-8500 rpm
SYSTEM40V MAX* (battery and charger not included) V
WEIGHT7.8 lbs
USESTrimming areas of overgrowth after mowing
Edging along borders, sidewalks and flower beds
INCLUDESLST136 40V MAX* Lithium Cordless Trimmer/Edger
(1) AF-100 Spool
(1) Guard
(1) Auxiliary Handle

3. Greenworks 40V 12 in. Front Mount String Trimmer with 2Ah Battery and Charger, 2101602

Picture of the Greenworks 40V 12-inch and Amazon review stats

Cordless outdoor power tools are ideal for homeowners who simplify and focus on what’s essential to getting the most out of life. The Greenworks 40V family of tools is built with medium-weight construction and high-efficiency motors.

The Greenworks 40V lithium-ion platform powers over 40 outdoor products, including lawnmowers, blowers, string trimmers, chainsaws, hedge trimmers, and much more! The 40V lithium-ion battery provides the power needed and delivers fade-free power with no memory loss after charging.

The Greenworks 40V platform comes with a 3-year tool and battery warranty to protect your investment. Of high-quality manufacturing, these products are easy to start and lighter weight than the gas products you’re used to, making your day of yard-work a whole lot easier.

Perfect for yards up to ⅓ acre, Greenworks 40V tools are lightweight, start instantly, and require virtually no maintenance – no gas, no oil, no mess – but still deliver gas-like power.

Key Features

  • 13″ cut path for quick and easy trimming with powerful results to cut through the toughest weeds
  • Versatile design with a 4-position pivoting head for easy trimming at multiple angles
  • 90 degree rotating head with edging wheel for walk behind edging for multi-functional use
  • 0.065″ single line auto-feed head for fast results
  • Compatible with Greenworks G-MAX 40V Li-Ion System for higher efficiency and longer run time with an assortment of tools to complete your yard work
  • Includes 2.0 Ah battery & charger
  • 3 Year Limited Tool Warranty

4 Cordless String Trimmer – KIMO 2-in-1 String Trimmer/Edger

Picture of the KIMO 2-in1 and Amazon review stats

Once in a while, you find something that surprises you. Well, this little unknown brand surprised us. It is definitely at the top of the list for affordable quality. While the other two winners in this category won because they do not include batteries and chargers, this little guy includes it all.

According to their website:

KIMO has spent millions of dollars on research and development to optimize its lithium-ion basic battery in the past two decades. Determined to establish and provide a one-stop cordless battery platform through which professionals can freely use various tools.

Now, KIMO lithium-ion battery has become one of the most durable batteries in its class. It can guarantee 1000 charging cycles and supports more than 100 KIMO tools. This dedication makes KIMO an important supplier/manufacturer in the Middle East, Southeast Asia, and European markets.

Key Features

  • 2-in-1 Trimmer and edger allows you to trim your lawn with precision and control.
  • Adjustable auxiliary handle that maximizes control and minimizes stress on your arm. for varying heights and angle-180 degrees.
  • Fast trimming. Variable speed trigger that delivers on-demand power to cut through tough weeds.
  • KIMO Li-ion Battery Lithium-Ion battery provides 20% more power and runtime and delivers fade-free power with no memory loss after charging.
  • Adjustable Cutting Head and Shaft for easy trimming at multiple angles, the cutting head supports 90°. Random adjustment allows a clear and easy viewing path.
  • KIMO offers 45+ indoor and outdoor products, including ratchet wrench, blowers, string trimmers, chainsaws, power tools, and more!

5. Greenworks 40V 13-Inch Cordless String Trimmer/Edger, 2.0 AH Battery Included

Picture of the Greenworks 40V 113-inch and Amazon review stats

This is the second Greenworks machine in the mid-section category, and we like it a lot. I called Greenworks to check on their customer service, and the lady was very helpful.

The wheel on the trimmer guard makes using it as an edger really effective.  It works great for the price. The interchangeability with other Greenworks G-MAX 40V Li-Ion tools increases efficiency and offers a longer run time for an assortment of tools.

The machine we tested lasted about an hour before it needed a recharge – not bad for a 2.0Ah battery.

Included in the Box

  • (1) 40V 13″ Cordless String Trimmer / Edger
  • (1) 2.0 Ah Battery
  • (1) Battery Charger
  • (1) Owner’s Manual

Specification

Power:Cordless
Voltage:40V
Ideal For:Up to ⅓ Acre
Brushless Motor:No
Cutting Path:13 Inches
Line Diameter:.065″
Line Type:Single
Line Advance System:Auto
Trigger Speed:Variable
RPM:8000
Charge Time:120 Minutes
Attachment Capable:No
Rotating Head:90 Degree
Pivoting Head:4 position
Shaft Extension:Yes
Tool Warranty:3 Years
Battery Warranty:3 Years
Battery Capacity:2.0 Ah
Battery Chemistry:Li-Ion
Replacement Battery:29462
Replacement Charger:29472

C. 5 Budget Line Trimmers for less than $100

ModelBatteryWidthWeight (lbs)Amazon Reviews4 & 5-Star Reviews
BLACK+DECKER 20V MAX String Trimmer / Edger, 12-Inch (LST522E1AEV)20V Lithium-Ion12″7.7337489-percent
WORX WG162 20V Cordless Grass Trimmer & Edger, Black and Orange, 12 inches20V MAX12″5.51,41288-percent
Makita XRU02Z 18V LXT Lithium-Ion Cordless String Trimmer, Tool Only, (Battery Not Included)18V LXT Lithium-Ion10.25″6.41,68987-percent
Earthwise LST02010 20-Volt 10-Inch Cordless String Trimmer, 2.0Ah Battery & Fast Charger Included20V Lithium 2.0Ah10″488979-percent
Heywork 20V Cordless Electric Weed Wacker Battery Powered Weed Eater20V 2.0Ah Lithium-ion Battery10″5.13771-percent

1. BLACK+DECKER 20V MAX String Trimmer / Edger, 12-Inch (LST522E1AEV)

infographics on the Black+Decker LST522E1AEV String Trimmer

In our reviews, we always try and simplify things – after all, we are Simplify Gardening. So with the review scores, we combine the 4- and 5-star ratings as a percentage of how many of the shoppers loved the product – as a percentage.

This unit has 89-percent of purchasers happy. I wish I made nine out of ten people happy. It’s heavier than its budget category peers but is average across the range.

In case you’re wondering, the difference between the 522, 523 and 525 models are – according to Amazon.

522 has an Auto Feed Spool system instead of a button on the handle and comes with (1) LBXR2520 battery which is 66% higher capacity than the standard LBXR20

523 has the Easy Feed string advance where you push a button on the handle.. comes with (1) LB2X3020 battery which is 3.0Ah extended run time.

525 is the same as 523 with the Easy Feed button on the handle, although this model comes with (2) 1.5Ah batteries.

2. WORX WG162 20V Cordless Grass Trimmer & Edger, Black and Orange, 12 inches

infographics on the WORX WG162 String Trimmer

The WORX WG162 sets the standard for affordable string trimmers. At under $100, including battery and charger, this is a great deal. Below is a summary of the product, and then we answer some frequently asked questions.

  • Lightweight string trimmer, so you can trim & edge the whole yard without fatigue.
  • Ergonomically designed so you work comfortably.
  • Easily convert from trimmer to edger and back.
  • Automatic line feed so your string is always at the optimum length.
  • 8500 Revolutions/min leaves clean, even, crisp cuts.

What’s in the Box

  • (1) – 20V String Trimmer
  • (1) – 20V MaxLithium Battery
  • (1) – Trimmer Spools (10 ft/ea)
  • (1) – 20V Battery Charger
  • (1) – Support Wheels
  • (1) – Safety Guard
  • (1) – Flower Guard

FAQ


3. Makita XRU02Z 18V LXT Lithium-Ion Cordless String Trimmer, Tool Only

infographics on the Makita XRU02Z String Trimmer

The XRU02Z delivers 7,800 RPM and up to 45 minutes of run time on a single charge of the 18V LXT Lithium-Ion 3.0Ah battery (sold separately).

The tool is always ready to use for users: simply load a fully charged 18V LXT Lithium-Ion battery (not included) and get to work.

Versatility features include a telescoping shaft to adjust the length of the tool, a 180-degree rotating head with five adjustable positions, an adjustable loop handle, and more.

It weighs only 6.4 pounds with the battery (sold separately).

This unit amazingly comes in at below $100 and is most suitable for people that already own a Makita 18V Lithium-Ion battery.


4. Earthwise LST02010 20-Volt 10-Inch Cordless String Trimmer, 2.0Ah Battery & Fast Charger Included

infographics on the Earthwise LST02010 String Trimmer
  • Powerful 20-volt trimmer with 2.0Ah lithium-ion battery and fast charger included in the package; Durable and reliable motor with a superior run-time
  • Trimmer edger with 10″ cutting width with auto-feed; Spool and 0.065″ nylon line included; Flip-down edge guard for a more convenient edging experience
  • Eco trimmer with an adjustable handle and telescopic pole so you can adjust the shaft based on your preference and comfort
  • Cordless, lightweight and easy to use; Battery-powered, low-maintenance and does not require gas or oil
  • Earthwise 20-volt battery that is compatible with all second series 20-volt lithium-ion Earthwise product; 2-year warranty on the tool and 1-year warranty on the battery

5. Heywork 20V Cordless Electric Weed Wacker Battery Powered Weed Eater

infographics on the Heywork 20V Cordless String Trimmer

Plant guard & 10 inches Cutting Width

  • Designed with a plant guard in front of the cutting head to protect your innocent plants
  • Equipped with a big cover upon the cutting head to prevent debris from splashing

Well-balanced Front Handle

  • 180° Adjustable front handle, comfortable to hold
  • Easily set to the most comfortable angle to ease sore arms and waist

Double-start Safety Lock & Soft Rubber Handle

  • Press the safety lock and the power switch; the string trimmer cordless will start. Release one, and the weed trimmer will stop working immediately
  • Ergonomically Designed handle, just fit your hand with friction-enhanced designed

You can set Heywork cordless weed trimmer’s rotatable cutting head to 4 adjustable positions for better trimming performance.

Designed with two wheels that you can walk behind, convenient to push with less work fatigue.

The telescopic shaft is adjustable from 35-inches to 44-inches to match your needs.


Summary

One of the reviewers told me that she used her cordless string trimmer to keep her mom’s gravesite tidy, and suddenly the flexibility of these cordless trimmers became evident. Given the battery and motor technologies, battery-powered units are no longer a lessor substitute for gas-powered units – they pack as much punch, if not more.

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