This Solar Ice solar powered custom watch that's powered by indoor or outdoor light will never leave you guessing what time it is.
The solar panel of this promotional flashlight extends the life of the battery and reduces waste.
It is clear to see why this promotional calculator is so eye-catching.
Attractive jewel tone translucent color bubble Promotional Solar Powered Pedometer that can be solar or battery powered.
Go green with this solar powered promotional charger.
A solar powered promotional ornament attaches to a window and refracts sunlights to create a pattern of rainbows,
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.