Wouldn't it be great if you never had to worry about your phone running out of juice ever again.

Well, the technology is here, and not only that — the very man who invented the mobile phone is backing it.

Marty Cooper invented the mobile phone. Credit:Reuters

A little-known US company is developing wireless charging technology that can charge gadgets anywhere within a 30-foot radius of a charging dock, or "power router".

"Keeping your phone charger around is a real annoyance," Marty Cooper, who is attributed with creating the first mobile phone way back in 1973, told CNN on Monday.