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    The solar rucksack is the ultimate rucksack as it combines a high-performance solar charging devices with a USB strong light source. Dual Voltage… Read More
    The solar rucksack is the ultimate rucksack as it combines a high-performance solar charging devices with a USB strong light source. Dual Voltage output (4.3V&5.0V or 7.4v&5.0v),suitable for charging almost all digital products Read Less
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