LOS ANGELES — Paul Dudeck of battery maker Anton/Bauer shows off the company’s solar-powered charger at the recent Cine Gear Expo in Los Angeles.

‘At full sunlight, you plug the charger in and we average about a three- to four-hour charge time,’ he says. ‘It’s a fully flexible unit that folds up into about a one-by-one square and it weighs about a pound.’