Offering Li-ion battery with respective capacities of 3,000 and 8,000 mAh, 10 mm thin ECO-u306 and 14.4 mm thin ECO-u821 can charge two mobile devices at same time. Built-in and concealable micro USB cable deploys for quick charge when needed if just charging one device, while micro USB output connector allows for second device to be charged. Smart LED displays power status.<br />
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This story is related to the following:Power Supplies | Battery Chargers