The Ego Power+ ST1521S is a hi-tech string trimmer, boasting a big battery, lightweight carbon fiber shaft, and a Powerload automatic string loading system. Most of this fancy stuff is worth it; it is ...

Battery-powered and corded options from Ego, Makita, Ryobi, and more shine in CR’s tests Battery-powered string trimmers are more plentiful and often perform better than corded models. By Paul Hope ...