Ryobi makes a couple of pole saws in the same fashion as the pole lopper. First, there's the 18V One+ eight-inch pole saw, qualified for branches up to six inches thick and equipped with a nine ...

Ryobi One+ 18V Cordless Battery Pole Saw ... While smaller diameter branches shouldn’t be a problem for most saws, thicker branches—larger than about 6 inches—need a more powerful option.