OnBeat

  For portable solar energy harvesting, it makes perfect sense to place solar panels on top of your head. That is the thinking behind the OnBeat Solar Headphones that collect energy while you enjoy a walk with your favorite tunes. The OnBeat Solar Headphones are designed to collect the sun's energy so that you can charge your portable devices. They work by using a high-powered flexible solar panel positioned across the top of the unit creating an active solar area. The system does not directly charge your mobile devices; the energy collected is stored in two lithium-ion batteries located in the ear cups of the headphone. Once the batteries are fully [...]