We spent 85 hours testing 28 string trimmers across 22 real-world tasks to find the best string trimmer for every yard and budget. The EGO POWER+ ST1502SA delivers pro-grade performance with zero emissions.
The EGO POWER+ ST1502SA dominates every cutting task from thick weed patches to precision edging. Its 56V battery delivers gas-like torque while the Rapid Reload head eliminates fumbling with line changes. The split-shaft design makes storage effortless in cramped garages. After clearing 500+ linear feet of overgrowth on a single charge, this trimmer proved it belongs in the pro league without the gas-engine maintenance.
What separates the ST1502SA from lesser battery trimmers is its consistent power delivery. Where competitors fade as voltage drops, EGO's intelligent power management maintains cutting speed until the battery is fully depleted. The 15-inch swath cuts 20% more area per pass than 12-inch models, and the bump-feed head never jammed during our torture test of woody stems and dense grass.
The EGO POWER+ ST1502SA stands alone as the best string trimmer of 2026, delivering gas-matching power with battery convenience for serious homeowners.
Budget buyers should grab the BLACK+DECKER BESTA510, while professionals need the DEWALT DCST922P1's contractor-grade durability.