Unfortunately, it's not perfect, as not all tools and batteries are interchangeable. For example, if you have a 40-volt Ryobi ...

The Ryobi cordless, 80-volt, 30-inch riding lawn mower is on sale for $2999, 40% off its regular price. This mower comes with two 80-volt, 10-amp-hour batteries and a charger and can cut up to one ...

Notable features of the kit include its 18-volt One+ compatible battery, a variable speed trigger to regulate its power for delicate and tougher jobs, and its lightweight build. The Ryobi 40-Volt ...