Minnesota-based company has developed a solar powered charger . The new device is called the Solar Charger and it can charge up to four devices at once. Flexible and waterproof solar panels then charge devices . They can be plugged into the standard or mini-USB port . The Sun Strap weighs 0.37lbs ( 165 grams ) and costs £65.60 ( $ 99 )
Minnesota-based company has developed a solar powered charger . Called the Sun Strap , it can attach to almost any bag . Flexible and waterproof solar panels then charge devices . They can be plugged into the standard or mini-USB port . The Sun Strap weighs 0.37lbs ( 165 grams ) and costs £65.60 ( $ 99 )