This is to show that how to charge our Card Size Power Bank from your laptop with a USB cable which given together with the Power Bank or of your own (any USB to Micro USB cable). Connect the Micro USB to the Card Size Power Bank, then connect the other head of USB to any USB port of laptops, then the power bank will begin to charge. This Power Bank has designed with smart program without any on/off switch, when the Power Bank connected to laptops with USB cable it will begin to charging automatically. There are four lights on the Power Bank each of them are for 25% of the capacity, during the charging this lights will twinkling according to the percentage of the capacity, when it's fully charged all lights will on, then you can remove the USB cable, charging the Card Size Power Bank is completed. Also thanks to the smart program, when the power bank is fully charged in case of you are away, the power will be automatically disconnected for safety.
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