Portable power bank is a kind of portable charger which integrates power supply and charging functions. It can charge or standby power supply for our mobile phones, and bring great convenience to our life. We can regard the mobile power supply as a small battery, which can supply power to our digital products through the internal storage of power. Therefore, when we charge the portable power bank, what problems should we pay attention to before we can use the portable power bank, which means that the normal security is stronger?

    When charging mobile phones with portable power bank, we must pay attention to the output voltage of portable power bank,  otherwise it will not be able to charge the mobile phone, which will damage the battery of the mobile phone. When we charge the flat panel, we must choose a portable power bank with 5V / 2A output. If we are using a portable power bank below 2a, the flat panel will not be fully charged or the charge will be empty. Affect our daily use.

    When charging, we should pay attention to the charging. The adapter must be matched. The principle of portable power bank is to power our mobile phone through USB cable. One end of the cable with USB interface is also connected to the mobile power cable, and the other end must be connected to the digital device, so the interface of the other end is consistent with the interface of the digital device. If not, there is no way to charge normally.

    In recent years, a function of portable power bank is called fast charging. This function is mostly used for emergency charging. If it is used for a long time, it will affect the mobile phone and shorten the battery life of the mobile phone. Therefore, we try to avoid using the fast charging function of mobile power as much as possible in daily use. We only need the ordinary charging speed to power our device.

    We must pay attention to these small problems when charging, do not cause damage to the life of mobile phones and portable power bank.