You plug it in a forget about it. The battery is always at a full charge. The planetarium software, Guide, will run on the same laptop as the scope control program, Scope.exe. There is no need for two laptops. All can be carried in one box.
Wheels are optional as well.
You can see an example by clicking on the link from the jump page. This is the idea behind the no-harm system. This particular scope has been tested and does work great. The gears are made by someone who has a machine to produce them in quantity. They are great for this application.