Lightweight & Safe Design Powered by a robust 1300W motor, this cordless weed wacker delivers 23,000 RPM cutting power while weighing only 3.9 lbs ideal for women, seniors, and extended use. Our small electric weed wacker Press the safety lock button and power switch simultaneously to activate (prevents accidental triggering). Additionally, and the motor has an automatic stop feature that protects it from damage when it detects a thick object such as a stone. Fast-Charging Detachable Battery Power your lawn care effortlessly with our cordless electric weed eater featuring two interchangeable 21V 4000mAh lithium-ion batteries. With a charging time of only 2-3 hours, weed Trimmer batteries can run for 60 to 90 minutes on a full charge. Built-in overload and temperature safeguards enhance battery durability, ensuring their longevity and your safety.