The solar panels charge the batteries.

The solar panels charged chemical batteries.

Batteries would power the heating elements, and solar panels charge the batteries.

Solar cell phone chargers use solar panels to charge cell phone batteries.

The solar panels can charge the radio directly through a cable or can charge wirelessly.

Perhaps they only have one solar panel to charge ALL the phones?

I recently went back to this village, but this time I had digital cameras, lenses, hard drives, a computer and solar panels to charge everything.

Some plans would resemble health maintenance organizations - panels of doctors and hospitals charging customers an annual premium.

In such a system, the panels charge the batteries continuously.

And he will have solar panels to charge his equipment where electricity is scarce.