This Solar Ice solar powered custom watch that's powered by indoor or outdoor light will never leave you guessing what time it is.
Add a little excitement to your desk with a solar powered logo flower that happily dances and moves all day.
It is clear to see why this promotional calculator is so eye-catching.
This mini but mighty custom media player carrying case with speakers allows you to enjoy your music while protecting your device.
These eco-friendly items are really unique. From solar charging kits to water-powered calculators ePromos offers a wide range of solar & water powered promotional items as alternative to batteries.