BLACK+DECKER String Trimmers: 6 Picks Ranked by Specs
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You can find the best black decker string trimmers in this guide by comparing their published specifications. We analyzed 6 cordless models to help you choose the right tool. BLACK+DECKER offers versatile options including trimmers, edgers, and sweepers in various voltages and cutting widths. The top pick is the BLACK+DECKER 40V 13-Inch String Trimmer and Edger, which leads due to its balanced power and automatic line feed. These picks are based strictly on the specs provided in the listings.
Quick picks
Our 6 picks
BLACK+DECKER 40V 13-Inch String Trimmer and Edger
Best for: Versatile trimming and edging tasks
- Voltage
- 40V
- Cutting Swath
- 13 in
- Power Source
- battery
- Line Feed System
- automatic
- Battery Capacity
- 2.0Ah
- Cutting Width
- 13-Inch
View on Amazon: BLACK+DECKER 40V 13-Inch String Trimmer and Edger Affiliate link
This BLACK+DECKER 40V MAX string trimmer and edger features a 13-inch cutting swath and a 2.0Ah lithium-ion battery. It includes an automatic feed spool for continuous line supply and a PowerCommand dial to switch between max power and runtime. The unit weighs 7.8 pounds and converts to an edger quickly. It suits users who want a versatile, cordless tool with fast charging capabilities for standard lawn maintenance tasks.
Pros
- 40V MAX lithium-ion battery with state of charge indicator
- Automatic feed spool eliminates need for bumping
- PowerCommand dial adjusts between max power and max runtime
- Converts from trimmer to edger in seconds
Cons
- 2.0Ah battery capacity is smaller than some competitors
- 7.8-pound weight is heavier than lighter entry-level models
- No variable speed control beyond the power dial
Good fit if
- You need a 2-in-1 tool for trimming and edging
- You prefer automatic line feed over bump-to-feed
- You want a 40V system for higher power
Skip if
- You require a battery larger than 2.0Ah
- You need a lightweight tool under 7 pounds
- You prefer a 20V system for lighter duty
Verdict: BLACK+DECKER 40V 13 in Trimmer offers a balanced mix of power and convenience for homeowners who value automatic line feed and quick conversion to edging mode.
BLACK+DECKER 12-Inch 20V Max 3-in-1 Trimmer
Best for: Small lawns needing multi-tool versatility
- Voltage
- 20V MAX
- Cutting Swath
- 12 in
- Power Source
- battery
- Battery Capacity
- 4.0 Ah
- Cutting Width
- 12-Inch
- Mowing Function
- 3-in-1
View on Amazon: BLACK+DECKER 12-Inch 20V Max 3-in-1 Trimmer Affiliate link
This BLACK+DECKER unit combines a mower, string trimmer, and edger into one tool. It runs on the 20V MAX system with a 12-inch cutting swath. You get two 4.0 Ah batteries, which offer double the capacity of standard 2.0 Ah packs. The handle pivots and the deck height adjusts for versatility. It includes a two-year warranty. This setup suits users who want multi-functionality and extended runtime without switching tools.
Pros
- 3-in-1 functionality converts from mower to trimmer to edger
- Includes two 4.0 Ah batteries for extended run time
- Pivoting handle and adjustable height deck
- 20V MAX 4.0 Ah pack has 2x the capacity of 2.0 Ah models
Cons
- 12-inch cutting swath is narrower than many competitors
- 20V system has less power than 40V alternatives
- Charging takes 2.5 hours at 60 percent capacity
Good fit if
- You need a mower, trimmer, and edger in one device
- You want extended runtime with two 4.0 Ah batteries
- You prefer a compact 12-inch cutting width
Skip if
- You require a wider cutting swath for large lawns
- You need the higher power output of a 40V system
- You want faster charging times than 2.5 hours
Verdict: BLACK+DECKER 12-Inch 3-in-1 Mower is a practical choice for small yards where you want to switch between mowing, trimming, and edging. The dual 4.0 Ah batteries provide the runtime needed for these tasks without frequent recharging.
BLACK+DECKER 20V MAX 12-Inch String Trimmer and Edger
Best for: Small lawns and beginners
- Voltage
- 20V
- Cutting Swath
- 12 in
- Power Source
- battery
- Line Feed System
- push-button
- Cutting Width
- 12-Inch
- Included Battery
- Battery and Charger Included
View on Amazon: BLACK+DECKER 20V MAX 12-Inch String Trimmer and Edger Affiliate link
This BLACK+DECKER trimmer features a 12-inch cutting width and a 20V MAX battery system. It includes a push-button line feed system, which advances the line without bumping. The 2-speed control lets you choose between power and runtime. Weighing 6.3 pounds, it is lightweight for easy handling. It comes with one extended runtime battery and a charger. This model suits users who want a simple, cordless tool for small yards.
Pros
- Push-button line feed system for easy line advancement
- 2-speed control to boost power or extend runtime
- Includes 20V MAX battery and charger
- Lightweight at 6.3 pounds
Cons
- 20V system offers less power than 40V competitors
- 12-inch cutting width is narrower than 13-inch models
- Includes only one battery in the kit
Good fit if
- You have a small lawn under 5,000 square feet
- You prefer a lightweight tool for easy maneuvering
- You want a simple push-button line feed system
Skip if
- You need a 40V system for larger properties
- You require a wider 13-inch cutting swath
- You already own multiple 20V batteries and need more runtime
Verdict: BLACK+DECKER 20V 12 in String Trimmer is a practical entry-level option for small yards. It fits users who prioritize lightweight handling and simple operation over raw cutting power.
BLACK+DECKER 10-Inch 20V Trimmer and Sweeper Combo
Best for: small yards needing trim, edge, and sweep
- Voltage
- 20V
- Cutting Swath
- 10 in
- Power Source
- battery
- Line Feed System
- automatic
- Battery Capacity
- 1.5Ah
- Cutting Width
- 10-Inch
View on Amazon: BLACK+DECKER 10-Inch 20V Trimmer and Sweeper Combo Affiliate link
This BLACK+DECKER kit combines a string trimmer, edger, and sweeper in one lightweight package. It features a 10-inch cutting swath and automatic line feed for consistent trimming. The 20V MAX system includes two 1.5Ah batteries, allowing you to switch tools without recharging. Weighing just 4.5 lbs for the trimmer, it offers easy maneuverability. This set suits users who want versatile yard maintenance with quiet operation and extended runtime.
Pros
- Includes two 1.5Ah batteries for extended runtime
- Automatic line feed system prevents interruption
- Lightweight 4.5 lb trimmer design
- Converts to a wheeled edger
- Quiet operation for neighborhood use
Cons
- Smaller 10-inch cutting width compared to 13-inch competitors
- Lower 20V voltage limits power for thick weeds
- Smaller 1.5Ah battery capacity reduces run time
Good fit if
- You need a lightweight tool for easy handling
- You want to trim, edge, and sweep with one kit
- You prefer quiet operation for residential areas
Skip if
- You have large yards requiring high power
- You need a wider 13-inch cutting swath
- You prefer higher voltage for tougher vegetation
Verdict: BLACK+DECKER 20V 10-Inch Trimmer Combo fits users who prioritize versatility and low weight over raw cutting power. It is ideal for small to medium lawns where maneuverability and multi-tool functionality matter more than a wider swath.
BLACK+DECKER 40V Trimmer and Sweeper Combo
Best for: small yards needing trim and sweep
- Voltage
- 40V Max
- Power Source
- battery
- Line Feed System
- automatic feed spool
- Included Battery
- Battery and Charger Included
- Dimensions
- 10.9 × 7.5 × 40.9 inches
- Weight
- 11 pounds
View on Amazon: BLACK+DECKER 40V Trimmer and Sweeper Combo Affiliate link
This BLACK+DECKER 40V Max combo unit handles trimming and sweeping with a single battery system. It features a 130 MPH wind speed for debris and an automatic feed spool for continuous line. The 40V Max battery powers both tools, and the charger is included. You get a state of charge indicator to monitor power. This kit is designed for small yards where you need both edge trimming and hard surface cleanup without swapping batteries.
Pros
- 40V Max battery powers both trimmer and sweeper
- 130 MPH wind speed for debris removal
- Automatic feed spool for continuous trimming
- Battery and charger included in the box
Cons
- Trimmer cutting width is not specified in data
- Sweeper is a handheld unit, not a push model
- 2-year limited warranty is shorter than some competitors
Good fit if
- You want to trim edges and sweep patios with one battery
- You prefer automatic line feed to avoid manual bumping
- You need a lightweight 11-pound tool for quick tasks
Skip if
- You require a dedicated push mower for large lawns
- You need a trimmer with a wider cutting deck
- You want a longer warranty than two years
Verdict: BLACK+DECKER 40V Sweeper & Trimmer offers a practical dual-purpose solution for small outdoor areas. It fits homeowners who need light trimming and patio cleanup without carrying multiple batteries.
BLACK+DECKER 40V 13-Inch String Trimmer and Edger
Best for: Moderate overgrowth and quick trim-to-edge switching
- Voltage
- 40V
- Cutting Swath
- 13 in
- Power Source
- battery
- Line Feed System
- automatic
- Cutting Width
- 13-Inch
- Application
- Lawn
View on Amazon: BLACK+DECKER 40V 13-Inch String Trimmer and Edger Affiliate link
This BLACK+DECKER tool is a 40V MAX cordless string trimmer and edger with a 13-inch cutting swath. It features automatic line feeding to keep the trimmer line moving without interruption. The high-torque transmission provides cutting strength for thick grass. It includes a battery and charger, making it ready for immediate use. This model suits users who need a versatile tool for maintaining lawn edges and clearing overgrowth.
Pros
- 40V MAX lithium-ion battery with state of charge indicator
- 13-inch cutting swath for efficient trimming
- Automatic line feeding system for continuous operation
- Quick conversion from trimmer to edger
Cons
- 6.4-pound weight may cause fatigue during extended use
- Single 13-inch cutting width limits reach for large areas
- No remote control or smart connectivity features listed
Good fit if
- You want a cordless tool that switches from trimming to edging
- You need automatic line feeding to avoid manual bumping
- You prefer a 40V system for consistent power
Skip if
- You require a battery-free operation method
- You need a cutting width larger than 13 inches
- You want a tool with remote or app control
Verdict: BLACK+DECKER 40V 13 in String Trimmer offers reliable power and automatic line feeding for users who need a versatile trimmer and edger combo. It fits homeowners managing moderate overgrowth who value quick switching between functions.
Specifications side by side
| Spec | BLACK+DECKER 40V 13-Inch String Trimmer and Edger | BLACK+DECKER 12-Inch 20V Max 3-in-1 Trimmer | BLACK+DECKER 20V MAX 12-Inch String Trimmer and Edger | BLACK+DECKER 10-Inch 20V Trimmer and Sweeper Combo | BLACK+DECKER 40V Trimmer and Sweeper Combo | BLACK+DECKER 40V 13-Inch String Trimmer and Edger |
|---|---|---|---|---|---|---|
| Voltage | 40V | 20V MAX | 20V | 20V | 40V Max | 40V |
| Cutting Swath | 13 in | 12 in | 12 in | 10 in | not stated | 13 in |
| Power Source | battery | battery | battery | battery | battery | battery |
| Line Feed System | automatic | not stated | push-button | automatic | automatic feed spool | automatic |
| Battery Capacity | 2.0Ah | 4.0 Ah | not stated | 1.5Ah | not stated | not stated |
| Cutting Width | 13-Inch | 12-Inch | 12-Inch | 10-Inch | not stated | 13-Inch |
| Mowing Function | 2-in-1 | 3-in-1 | not stated | not stated | not stated | not stated |
| Application | Lawn | Lawn | not stated | not stated | not stated | Lawn |
| Included Battery | not stated | not stated | Battery and Charger Included | not stated | Battery and Charger Included | not stated |
| Dimensions | 46.5 × 13.5 × 11 inches | not stated | 41.3 × 9.2 × 5 inches | 42 × 10.4 × 7.25 inches | 10.9 × 7.5 × 40.9 inches | 9 × 40 × 4 inches |
| Weight | 7.8 pounds | not stated | 6.3 pounds | 10.5 pounds | 11 pounds | 6.4 pounds |
| Size | 46.5"L x 13.5"W x 11"H | 12 inches | One Size | One Size | One Size | One Size |
| Color | Orange | multi-color | Black | Orange, Black | Orange, Black | Orange |
| Model | LST136 | not stated | LSTE523 | LCC222 | LCC340C | LST140C |
BLACK+DECKER Trimmers Ranked by Specs
The lineup splits into clear groups based on voltage and cutting width. The 40V 13-inch models, like the LST136 and LST140C, offer balanced power for moderate overgrowth. They feature automatic line feed and quick conversion to edging mode. These are ideal if you need a versatile tool for larger areas. The 12-inch options, including the 20V Max LSTE523 and the 3-in-1 LST120, suit small yards. They prioritize lightweight handling and simple operation over raw cutting power. The 10-inch LCC222 adds sweeping capability for multi-tasking needs. The 40V LCC340C combines trimming with patio cleanup. You can match these specs to your yard size and task requirements.
Who BLACK+DECKER Suits Best
This range covers small to moderate lawns. You get 10-inch, 12-inch, and 13-inch cutting widths. The lineup splits between 20V and 40V systems. Most models combine trimming with edging or sweeping. The 10-inch LCC222 is the lightest option for tight spaces. The 40V 13-inch models provide more power for thicker grass. You will not find wide mowing decks or high-capacity commercial batteries here. This brand suits homeowners who need lightweight, versatile tools for basic edge and trim tasks rather than heavy-duty lawn maintenance.
How to Choose the Right Trimmer
-
Match Voltage to Yard Size
Check the voltage rating to ensure the tool handles your grass height. The 40V models, such as the LST136, provide more power for moderate overgrowth and thicker weeds. The 20V options, like the LSTE523, are lighter and better suited for small, well-maintained lawns. Higher voltage generally means faster cutting and less strain on the motor. Select 20V for light duty and 40V for tougher jobs. This spec dictates the tool's overall capability.
-
Select Cutting Width for Coverage
The cutting width determines how much grass you clear per pass. Wider decks, like the 13-inch LST136, cover more ground quickly. Narrower options, such as the 10-inch LCC222, offer better maneuverability in tight spaces. Choose a wider width if you want to finish large areas faster. Pick a narrower width if you navigate around many obstacles. This spec directly impacts your efficiency and how often you need to overlap passes.
-
Choose Multi-Function Versatility
Decide if you need a single-purpose tool or a multi-function device. The LST136 converts to an edger, handling both trimming and edge definition. The LCC222 combines trimming with sweeping for patio cleanup. The LST136 is ideal if you want to switch modes quickly. The LCC222 suits users who value cleanup versatility. Multi-function tools reduce the need for multiple devices. Check the mowing function spec to see what tasks one unit can perform.
-
Check Weight for Comfort
Weight affects how tired you get during use. The LSTE523 weighs 6.3 pounds, making it easy to hold for extended periods. The LCC222 is heavier at 10.5 pounds due to its sweeper attachment. Lighter tools reduce arm strain, especially for smaller users. Heavier tools may feel more stable but can cause fatigue. Look at the weight spec in pounds. Choose the lightest option that still meets your power and function needs.
-
Verify Battery Compatibility
Ensure the batteries work with your existing BLACK+DECKER tools. The LST136 uses the 40V system, sharing batteries with other 40V devices. The LSTE523 uses the 20V MAX system. If you already own 40V tools, buying another 40V model saves money on extra batteries. Check the voltage spec to confirm system compatibility. This avoids buying duplicate power sources. Consistent battery platforms streamline your outdoor tool ecosystem.
Frequently asked questions
Which BLACK+DECKER string trimmer is best for small yards?
The 20V MAX 12-Inch String Trimmer and Edger (LSTE523) is the best budget pick for small lawns. It weighs just 6.3 pounds and features a 12-inch cutting width. This lightweight design makes it easy for beginners to handle. It includes a battery and charger, offering simple operation without heavy power demands.
What is the most versatile BLACK+DECKER trimmer?
The 12-Inch 20V Max 3-in-1 Trimmer serves as the best premium choice for multi-tool versatility. It allows you to switch between mowing, trimming, and edging. This model includes dual 4.0 Ah batteries, providing the runtime needed for various tasks. It is ideal for small yards where you need flexible functionality.
Does BLACK+DECKER offer a trimmer with automatic line feed?
Yes, the 40V 13-Inch String Trimmer and Edger (LST136) features automatic line feed. This best overall pick balances power and convenience for homeowners. It also converts quickly to edging mode. The 40V system provides sufficient power for regular lawn maintenance tasks.
Which BLACK+DECKER model is the lightest?
The 20V MAX 12-Inch String Trimmer and Edger (LSTE523) is the lightest option at 6.3 pounds. Its compact size and low weight make it easy to maneuver in tight spaces. This makes it a practical entry-level choice for users who prioritize handling over raw cutting power.
Can I use a BLACK+DECKER trimmer to sweep debris?
Yes, the 10-Inch 20V Trimmer and Sweeper Combo (LCC222) and the 40V Trimmer and Sweeper Combo (LCC340C) both include sweeping functions. These models combine trimming with patio cleanup. They are suitable for small yards where you need light trimming and debris removal in one tool.
What is the largest cutting width available?
The largest cutting width is 13 inches, found in the 40V models like the LST136 and LST140C. These models offer a wider swath for efficient trimming. The 12-inch options provide a slightly narrower cut, while the 10-inch model is the narrowest choice for detailed work.
Are BLACK+DECKER string trimmers cordless?
All models in this lineup are cordless and battery-powered. They operate on either 20V or 40V systems. This cordless design allows for unrestricted movement around your lawn. You do not need to manage extension cords, making cleanup and trimming easier.