For example, if you have a 40-volt Ryobi battery laying around and the battery for an 18-volt tool gets lost or dies, you may ...

Read more: Battery Brands Ranked From Worst To ... start to notice it as you move up to heavier tools like a lawn mower. The Ryobi 40V Brushless 20-inch Walk Behind Push Mower weighs 43 pounds ...

Two of the cordless electric push mowers we tested, both from Ryobi, received higher Overall Scores than the top-rated gas push mower, a Honda. Several top self-propelled battery mowers ...