We still aren't there for people who use tools in a commercial way. I can put my tool on a charger and get back to what I was doing later and no big deal. Someone doing it for a living can not.
That said, as far as for me, I love battery tools. I have drills, weed eater, lawn mower, etc. Could I use the lawn mower to run a lawn business with? No. But for me it's great. Quiet, lightweight, and no gas to mess with. I can take my weed eater wherever I need it and it works great. I love my battery drill. I have a small saw attachment that does most anything I need done around the house.