The 40V HP Brushless Whisper Series 17-inch Cordless String Trimmer comes ... notice it as you move up to heavier tools like a lawn mower. The Ryobi 40V Brushless 20-inch Walk Behind Push Mower ...

Cordless tools have grown increasingly popular ... more energy-hungry tools operate on Ryobi's 40V batteries. There are, however, two different types of 40V batteries: the regular 40V and the ...