Introduction
Thank you for choosing the PowerSmart 40V 13-Inch Cordless String Trimmer/Edger. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new tool. Please read this manual thoroughly before first use and keep it for future reference.
Important Safety Instructions
Always follow basic safety precautions to reduce the risk of fire, electric shock, and personal injury when using this product.
- Wear appropriate personal protective equipment, including safety glasses or goggles, protective clothing, and sturdy footwear.
- Keep hands and feet away from the cutting area and rotating line.
- Do not operate the trimmer near people, children, pets, or in areas with combustible materials. Maintain a safe distance from bystanders.
- Ensure the trimmer is properly assembled and all components are securely fastened before operation.
- Use only the specified battery and charger for this tool.
- Inspect the cutting line and guard for damage before each use. Replace damaged parts immediately.
- Avoid operating in wet conditions or rain.
- Disconnect the battery pack before performing any adjustments, cleaning, or maintenance.
Product Components
Familiarize yourself with the parts of your PowerSmart Cordless String Trimmer/Edger.

Figure 1: Overview of the PowerSmart 40V 13-Inch Cordless String Trimmer/Edger, including the main unit, detachable battery, battery charger, and three spare cutting line spools.
Setup and Assembly
Before first use, some assembly is required. Ensure the battery is fully charged before beginning assembly.
- Attach the Guard: Securely attach the protective guard to the trimmer head using the provided hardware. This guard is essential for user safety and should never be removed during operation.
- Install the Auxiliary Handle: Position the auxiliary handle on the shaft for comfortable operation and tighten it firmly.
- Charge the Battery: Insert the 40V Lithium-Ion battery into the fast charger. The charger indicator lights will show the charging status. A full charge provides up to 60 minutes of runtime.
- Insert Battery: Once fully charged, slide the battery pack into the designated slot on the trimmer handle until it clicks into place.

Figure 2: The PowerSmart Advanced Battery System, illustrating compatibility across 20V, 40V, and 80V tools. This trimmer uses a 40V battery.
Operating Instructions
Trimmer and Edger Functionality (2-in-1)
Your PowerSmart tool functions as both a string trimmer and a wheeled edger, allowing for versatile lawn care.

Figure 3: The 2-in-1 Trimmer & Edger feature. The left side shows the trimmer in operation, while the right side illustrates the edger function with the wheel engaged for precise border cutting.
Adjusting the Pivoting Head
The trimmer head features a 4-position pivoting adjustment for various cutting angles and tasks, including edging.

Figure 4: A user demonstrating the adjustment of the 4-position pivoting head. The head can be angled to suit different trimming and edging requirements.
Variable Speed Control
The tool is equipped with a variable speed trigger, allowing you to adjust the cutting speed for different types of vegetation and to optimize battery life.

Figure 5: The variable speed trigger, indicating two speed adjustments. This allows for precise control over cutting power and battery consumption.
Cutting Width Adjustment
The bottom L-shaped blade can be rotated 180° to change the cutting width from 12-inch to 13-inch, providing flexibility for various trimming tasks.

Figure 6: A user demonstrating the 13-inch cutting width of the trimmer, effectively clearing grass in a wide sweep.
Edging Guide and Blade Guard
The tool includes an edging guide and blade guard to enhance safety and precision during operation, especially when edging along hard surfaces.

Figure 7: A user operating the trimmer in a natural setting, highlighting the edging guide and blade guard designed to prevent accidental trimming and improve control.
Maintenance
Replacing the String Spool
The trimmer features an auto-feed spool system. When the cutting line runs out, follow these steps to replace the spool:

Figure 8: Step-by-step instructions for replacing the string spool. This visual guide shows pressing tabs, removing the cover, extracting the old spool, inserting a new spool, and securing the cover.
- Step 1: Press on the two tabs located on the side of the spool cover.
- Step 2: Carefully remove the spool cover.
- Step 3: Remove the empty spool from the spool housing.
- Step 4: Push the new spool into the head and rotate it until the line is fastened. Ensure the line is properly threaded through the eyelet.
- Step 5: Push down on the spool cover, locking it back into the spool housing.
- Step 6: The new string spool replacement is complete.
General Care
- Keep the tool clean and free of debris. Wipe down the exterior with a damp cloth after each use.
- Store the trimmer in a dry, secure location, out of reach of children.
- Periodically check all fasteners for tightness and re-tighten as necessary.
- Ensure the battery and charger are stored in a cool, dry place.
Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start. | Battery not charged or not inserted correctly. | Ensure battery is fully charged and securely inserted. |
| Cutting line does not advance. | Spool empty or line tangled. | Replace spool (refer to Maintenance section) or untangle line. |
| Reduced cutting performance. | Dull or worn cutting line. | Replace the cutting line spool. |
| Excessive vibration. | Damaged cutting line or unbalanced spool. | Inspect and replace cutting line/spool if damaged. |
Product Specifications
- Brand: PowerSmart
- Model Number: YJ-DB2603RB-1
- Power Source: Battery Powered (40V Lithium Ion)
- Cutting Width: 12-13 Inches (Adjustable)
- Item Weight: 7 Pounds
- Product Dimensions: 62"L x 13"W
- Assembly Required: Yes
- UPC: 840432706800
- Battery: 1 Lithium Ion battery required (included)
Warranty Information
For detailed information regarding the product warranty, please refer to the warranty card included with your purchase or contact PowerSmart customer support directly. Extended protection plans may be available for purchase separately.
Customer Support
Should you require assistance, have questions, or need to report an issue, our expert team is available to provide professional support.

Figure 9: PowerSmart customer support information, including the email address for assistance.
Email: support2@powersmartusa.com

