Autonomous power supply device for USB key used with e.g. laptop, has electric accumulator provided with one or more USB inputs and USB output, where USB output and charging input are integrated in housing
摘要
<p>The device has an electric accumulator (4) provided with one or more USB inputs (1) into which a USB is plugged, and a USB output (3), where the USB output and a charging input (2) are integrated in a housing (5).</p>
