The Solar Charger uses either sunlight or the supplied AC adapter to recharges its internal re-chargeable batteries. It provides three different voltage outputs for charging electrical devices. The solar charger regulates the voltage and current to prevent over-charging of the internal batteries with sunlight or with the attached adapter. The solar charger regulates the voltage and current to prevent over-charging of accessories. (cellular mobile, PDA, digital camera).

The unit is water resistant.