The EGO POWER+ ST1520S String Trimmer is designed for efficient trimming of weeds and grass. It features advanced POWERLOAD™ Technology for easy line replacement and a durable Carbon Fiber Split Shaft. This battery-powered tool offers cordless convenience with powerful performance.
Key Features:
POWERLOAD™ Technology: Automatically winds the trimmer line by feeding the line through the head and pressing a button.
Carbon Fiber Shaft: Lightweight, durable, and backed by a limited lifetime warranty.
High-Efficiency Brushless Motor: Provides long runtimes, low vibration, and extended motor life. IPX4-rated for weather resistance.
15-Inch Cutting Swath: Line trimmer comes equipped with professional-grade, dual line spiral-twist 0.095-inch trimmer line with a bump-feed line advance.
Battery Compatibility: Compatible with all EGO 56V ARC Lithium™ batteries (battery and charger sold separately).
2. Safety Information
Always read and understand the entire instruction manual before operating the EGO POWER+ String Trimmer. Failure to follow all instructions may result in electric shock, fire, and/or serious personal injury.
General Safety Warnings:
Wear eye protection, long pants, and sturdy footwear when operating the trimmer.
Keep children, bystanders, and pets at least 50 feet (15 meters) away from the operating area.
Inspect the area before use and remove any objects that could be thrown by the line.
Do not operate the trimmer in wet conditions.
Ensure the battery is removed before performing any maintenance, cleaning, or when storing the tool.
Use only EGO-approved replacement parts and accessories.
3. Setup
The EGO POWER+ ST1520S String Trimmer requires some assembly before first use. Follow these steps to prepare your trimmer for operation.
3.1 Unpacking and Initial Inspection
Carefully remove all components from the packaging. Inspect the trimmer for any signs of damage. If any parts are damaged or missing, do not assemble or operate the tool. Contact EGO Power+ customer service for assistance.
3.2 Handle Assembly
Attach the auxiliary handle to the shaft. Ensure it is positioned comfortably for your height and operating style.
Tighten the handle securely using the provided fasteners.
Image: The EGO POWER+ ST1520S String Trimmer, showing the main unit and handle assembly.
3.3 Attaching the Guard
Securely attach the debris guard to the trimmer head assembly. This guard protects the user from thrown debris during operation.
3.4 Battery Installation
Ensure the battery is fully charged before use.
Align the battery with the battery port on the trimmer.
Slide the battery into the port until it clicks securely into place.
Note: This model does not include a battery or charger. EGO 56V ARC Lithium™ batteries are required.
4. Operating Instructions
Familiarize yourself with the trimmer's controls and features before beginning any trimming tasks.
4.1 Starting and Stopping the Trimmer
To start: Press the safety lock-off button and then squeeze the trigger.
To stop: Release the trigger.
Image: Close-up of the variable speed trigger on the EGO POWER+ ST1520S String Trimmer.
4.2 Adjusting Cutting Speed
The trimmer features a variable speed trigger. Apply more pressure to the trigger for higher speed and less pressure for lower speed, allowing for precise control over various trimming conditions.
4.3 Trimming Techniques
Sweeping: Move the trimmer from side to side, using the tip of the line to cut.
Edging: Tilt the trimmer head to a vertical position and walk along the edge of the lawn or pathway.
Around Obstacles: Use a slower speed and approach obstacles carefully to avoid damaging the line or the object.
Video: EGO POWER+ Battery Platform overview, demonstrating battery insertion and general use of various EGO tools, including a string trimmer. This video provides context on the EGO battery system.
5. Maintenance
Regular maintenance ensures optimal performance and extends the life of your EGO POWER+ String Trimmer. Always remove the battery before performing any maintenance.
5.1 Line Replacement with POWERLOAD™ Technology
The patented POWERLOAD™ Technology simplifies line replacement:
Ensure the battery is removed.
Feed the new trimmer line directly through the trimmer head until an equal length protrudes from both sides.
Reinsert the battery.
Press the POWERLOAD™ button on the trimmer head. The line will automatically wind itself into the head.
Image: Illustration of the POWERLOAD™ Technology, showing how the line is fed through the trimmer head.
Image: A hand pressing the POWERLOAD™ button to automatically wind the trimmer line.
5.2 Cleaning and Storage
After each use, clean the trimmer head and guard of any grass clippings and debris.
Store the trimmer in a dry, secure location out of reach of children.
Remove the battery from the trimmer before storing for extended periods.
6. Troubleshooting
If you encounter issues with your EGO POWER+ String Trimmer, refer to the following common troubleshooting tips:
Problem
Possible Cause
Solution
Trimmer does not start
Battery not inserted correctly or discharged. Safety lock-off not engaged.
Ensure battery is fully charged and properly seated. Press safety lock-off button before squeezing trigger.
Line does not advance
Line is tangled or too short. Trimmer head is clogged with debris.
Replace trimmer line using POWERLOAD™ Technology. Clean trimmer head of any debris.
Reduced cutting performance
Trimmer line is worn or incorrect type. Battery charge is low.
Replace with new 0.095-inch professional-grade line. Recharge battery.
For further assistance, contact EGO Power+ customer support.
7. Specifications
Feature
Detail
Brand
EGO Power+
Model Number
ST1520S
Power Source
Battery Powered (56V ARC Lithium™)
Cutting Swath
15 inches
Line Diameter
0.095 inches (Dual Line Spiral-Twist)
Motor Type
High-Efficiency Brushless Motor
Speed
Up to 2500 RPM
Item Weight
7.43 Pounds
Product Dimensions
71.7"L x 12.6"W
Assembly Required
Yes
Weather Resistance
IPX4-rated
8. Warranty & Support
EGO Power+ stands behind the quality of its products.
Limited Lifetime Warranty: The Carbon Fiber shaft is backed by a limited lifetime warranty.
5-Year Tool Warranty: The EGO POWER+ ST1520S String Trimmer comes with a 5-year limited warranty.
For warranty claims, technical support, or to purchase replacement parts, please visit the official EGO Power+ website or contact their customer service department. Keep your proof of purchase for warranty validation.
Related Documents - ST1520S
EGO Power+ 2025 Product Catalogue: Cordless Outdoor Power Equipment Explore the EGO Power+ 2025 Product Catalogue, featuring innovative 56V ARC Lithium™ battery-powered outdoor tools for superior performance, zero emissions, and enhanced user convenience. Discover mowers, chainsaws, blowers, and more.
EGO Power+ Promozioni Autunno 2025: Attrezzi da Giardino a Batteria Scopri le offerte speciali EGO Power+ per l'autunno 2025 su una vasta gamma di attrezzi da giardino a batteria, inclusi tagliasiepi, motoseghe, soffiatore, trattorini e altro ancora. Potenza e innovazione per la cura del tuo spazio verde.
EGO POWER+ LB6504 Lithium-ion Battery Safety Data Sheet Safety Data Sheet for the EGO POWER+ LB6504 Lithium-ion battery, providing comprehensive information on product identification, hazards, composition, first aid measures, fire fighting, accidental release, handling, storage, exposure controls, physical and chemical properties, stability, toxicology, ecology, disposal, transport, and regulatory information.
EGO 56V 15-Inch Cordless String Trimmer Operator's Manual This operator's manual provides essential safety, assembly, operation, and maintenance instructions for the EGO 56-Volt Lithium-Ion Cordless 15-Inch String Trimmer. Learn how to use your EGO trimmer safely and effectively.