This Solar Ice solar powered custom watch that's powered by indoor or outdoor light will never leave you guessing what time it is.
A solar powered custom desk clock for a more environmentally friendly office desktop.
It is clear to see why this promotional calculator is so eye-catching.
Add a little excitement to your desk with a solar powered logo flower that happily dances and moves all day.
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.