You mean like most modern electronics that run on batteries?

It was run on batteries that had to be recharged.

But it is not a real luxury, running on batteries.

Apparently, they do not run low on batteries and need no recharging.

Both ran on electric batteries and would run out eventually.

They couldn't run the place on batteries, so there must be a pretty substantial generator.

At 15, Miller could go nonstop, as if she were running on batteries.

Then they closed, as Kim said it wasn't good to run the computer too long on batteries.

Great sound and can run on batteries when you want to take your music with you.

Then, in general, if the user wants power, it must be at the expense of light weight and the ability to run on batteries.