2026 EGO Power+ ST1521S 

2026 EGO Power+ ST1521S

Power+ 15" String Trimmer with POWERLOAD™
The world's first String Trimmer with POWERLOAD™ Technology. Replacing your string line is as easy as feeding the line into the head and pressing a button!

The world's first String Trimmer with POWERLOAD™ Technology. This patented technology solves one of the biggest pain points of string trimmers, 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 is guaranteed to last forever! This revolutionary trimmer is also built with a high-efficiency brushless motor, bump feed line advance, .095" professional cutting line, and is compatible with all EGO ARC Lithium™ batteries to maximize the convenience of cordless and deliver Power Beyond Belief.

Features May Include:

Patented Powerload™ Technology

• Just insert the line and push a button to wind—get back to work in seconds

Carbon Fiber Shaft with Lifetime Warranty

• Stronger than any other string trimmer shaft on the market

High-Efficiency Brushless Motor

• Delivers longer run time, low vibrations and an extended motor life

30-MINUTE RUNTIME

• Get up to 30 minutes of runtime on a single charge with a 56V 2.5Ah ARC Lithium battery

Tech:

• POWERLOAD™ Head, load your line, push a button and go
• Lightweight and durable carbon fiber shaft backed by a lifetime warranty when registered within 90 days of purchase
• 15" cutting swath
• Dual-feed spiral twist 0.095in. line
• High-efficiency brushless motor
• Variable speed control
• 5-year limited warranty