This tutorial allow you to make a solar lamp equipped with a USB charger, it uses lithium cells that are reused from a old or damaged laptop. This system with a day of sunlight can fully charge a smartphone and have 4 hours of light. This technology have been documented during a stopover of the " Nomade des Mers " expedition on the island of Luzong in the northern part of Philippines. The association Liter of Light already install this system since 6 years in remote villages which don'thave access to electricity, they also organize training for the villagers in order to teach them how to fix the solar lamp ( already 500 000 lamps installed).
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