Important Safety Information
Always wear eye protection and other appropriate safety gear when using this string trimmer. Be aware of potential flying debris and keep bystanders at a safe distance during operation. Read all instructions before operating the tool.
Product Overview
The BLACK+DECKER 20V MAX Cordless String Trimmer/Edger Kit (LST201-CA) is designed for efficient lawn maintenance. It features a 2-in-1 design, allowing it to function as both a string trimmer and a precision edger. The Automatic Feed Spool (AFS) system ensures continuous trimming without manual bumping. The tool is part of the BLACK+DECKER 20V MAX battery system, allowing battery interchangeability with other compatible tools.

Figure 1: Overview of the BLACK+DECKER LST201-CA Cordless String Trimmer/Edger.

Figure 2: Key features of the LST201-CA, including the ability to convert from a trimmer to an edger, charge indicator, adjustable height and handle, Automatic Feed Spool (AFS), and a 10-inch cut swath.
Key Features:
- Automatic Feed Spool (AFS): Automatically feeds trimmer line for uninterrupted trimming.
- 2-in-1 Design: Easily converts from a string trimmer to a precision edger.
- Adjustable Height and Handle: Provides user comfort and control.
- 10-Inch Cutting Width: Suitable for medium to smaller lawns.
- 20V MAX System Compatibility: Battery is interchangeable with other BLACK+DECKER 20V tools.
Setup
1. Battery Charging and Installation
- Insert the 20V MAX Lithium Battery into the charger. Ensure the charger is plugged into a standard electrical outlet.
- Allow the battery to charge fully. The charge indicator on the tool or charger will signal when charging is complete.
- Once charged, slide the battery pack into the tool's battery port until it clicks securely into place.

Figure 3: The 20V MAX PowerConnect battery system, highlighting battery compatibility across various BLACK+DECKER tools.
2. Guard Installation
- Align the guard with the slots on the trimmer head.
- Push the guard firmly until it snaps into position. Ensure it is securely attached before use.
3. Handle and Height Adjustment
- Loosen the adjustment collar on the shaft.
- Adjust the shaft length to a comfortable operating height.
- Adjust the auxiliary handle to a comfortable position for optimal balance and control.
- Tighten the adjustment collar and handle securely.

Figure 4: Demonstrating the adjustable height and handle feature for user comfort.
Operating Instructions
1. Starting and Stopping
- To start the trimmer, press the safety lock-off button and then squeeze the trigger switch.
- To stop the trimmer, release the trigger switch.
2. Trimming Operation
- Hold the trimmer firmly with both hands.
- Swing the trimmer from side to side, keeping the cutting line parallel to the ground.
- Maintain a safe distance from obstacles and bystanders.
- The Automatic Feed Spool (AFS) will automatically advance the line as needed during operation.

Figure 5: The Automatic Feed Spool (AFS) effortlessly feeds trimmer line, eliminating the need for manual bumping.
3. Edging Operation
- To convert to an edger, rotate the shaft 180 degrees until the head is perpendicular to the ground.
- Use the built-in edge guide to maintain a straight line along sidewalks and driveways.
- Walk slowly and steadily, guiding the trimmer along the edge.

Figure 6: Close-up view of the 2-in-1 design, illustrating how the trimmer head easily converts for edging tasks.
Maintenance
1. Cleaning
- After each use, remove the battery and clean the tool with a damp cloth.
- Remove any grass, dirt, or debris from the guard and cutting head.
- Do not use harsh chemicals or abrasive cleaners.
2. Line Replacement
- When the trimmer line runs out, replace the AFS spool with a new BLACK+DECKER replacement spool.
- Refer to the specific instructions provided with the replacement spool for proper installation.
3. Battery Care
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- Do not store batteries in a discharged state for extended periods. Charge them periodically if not in use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start | Battery not charged or improperly installed. | Ensure battery is fully charged and securely inserted. |
| Automatic Feed Spool (AFS) not feeding line | Line tangled or spool incorrectly installed. | Remove battery, inspect spool for tangles, and ensure it is correctly seated. Replace spool if necessary. |
| Reduced cutting performance / struggles with thick weeds | Low battery charge, dull line, or attempting to cut too much at once. | Recharge battery. Replace trimmer line. Cut very long grasses gradually from the top. This tool is designed for light to medium growth, not heavy brush. |
| Short battery runtime | Battery not fully charged, old battery, or heavy usage. | Ensure battery is fully charged before use. Consider purchasing an additional battery for extended runtime. Battery life is approximately 25 minutes. |
Specifications
- Model Number:
- LST201-CA
- Power Source:
- Battery Powered (20V MAX Lithium Ion)
- Cutting Width:
- 10 inches
- Item Weight:
- 2.78 kg
- Product Dimensions:
- 24.64 x 13.08 x 101.5 cm (assembled)
- Battery Life (Average):
- 25 minutes
- Included Components:
- (1) 20V MAX 10" Trimmer, (1) LBXR20 20V MAX Lithium Battery, (1) Charger, (1) Guard, (1) AFS Spool
- Manufacturer:
- Stanley Black & Decker
- Country of Origin:
- China
Warranty and Support
Warranty Information:
This BLACK+DECKER product is backed by a 2-YEAR LIMITED WARRANTY, covering defects in materials and workmanship from the date of purchase. Please retain your proof of purchase for warranty claims.
Customer Support:
For technical assistance, replacement parts, or warranty service, please contact BLACK+DECKER customer support. Refer to the contact information provided in your product packaging or visit the official BLACK+DECKER website for current support details.