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Batteries are chargeable and non-chargeable. Non-chargeable batteries are more appropriate for this project in a third world setting because they are free and recycled. Batteries store electricity so that a constant source of power is not needed. | Batteries are chargeable and non-chargeable. Non-chargeable batteries are more appropriate for this project in a third world setting because they are free and recycled. Batteries store electricity so that a constant source of power is not needed. | ||
====How many batteries do I need | ====How many batteries do I need---Maximum voltage?==== | ||
For a white LED light you would need a maximum voltage of around 3.8 volts. We were able to get this much voltage from 3 used D sized batteries. | For a white LED light you would need a maximum voltage of around 3.8 volts. We were able to get this much voltage from 3 used D sized batteries. | ||