Question 1

Which is better, EGO Power+ ST1521S 15-Inch String Trimmer or BLACK+DECKER LST136 40V MAX String Trimmer?

Accepted Answer

Based on our testing, the EGO Power+ ST1521S 15-Inch String Trimmer scores higher overall at 9.2/10. The EGO Power+ ST1521S 15-Inch String Trimmer scored 9.2/10 and the BLACK+DECKER LST136 40V MAX String Trimmer scored 8.5/10 in our Best String Trimmers 2026 evaluation.

Question 2

Is the EGO Power+ ST1521S 15-Inch String Trimmer worth it over the BLACK+DECKER LST136 40V MAX String Trimmer?

Accepted Answer

The EGO Power+ ST1521S 15-Inch String Trimmer scores 9.2/10 while the BLACK+DECKER LST136 40V MAX String Trimmer scores 8.5/10. The EGO Power+ ST1521S 15-Inch String Trimmer is our "Best Overall" pick in the Best String Trimmers 2026 category.

EGO Power+ ST1521S 15-Inch String Trimmer vs BLACK+DECKER LST136 40V MAX String Trimmer: Which to Buy?