In this research aims to study the capacity and usage of reload, stand-alone photovoltaic brightness by designed for use with electric bulbs with 70 watts total power capacity, which requires about 1 kWh/day found that are used with the load only 437.5 WH compared to solar 2,115 WH/day and studies are found that battery charge, depending on the intensity of the solar radiation an average 1017.80 watts/square meter. Can add value to the specific gravity of the battery from the 1.115 to 1.150 takes about 2 days.
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