Domark International says the company’s new wholly-owned Solawerks subsidiary ( has launched the Solacase, a constant-charging product for the iPhone. It contains a solar panel on its back, plus an additional internal battery to keep the smartphone charged at all times.

Solawerks claims the Solacase is the only product of its kind that fits all iPhone versions, including the new iPhone 4 and iPhone 4S. It comes in a variety of colors and costs US$29.95.