1, the power bank in English is usually pronounced as power bank. The definition and function of the charging bankA power bank is a portable battery device used to provide convenient charging capability for electronic devices such as mobile phones, tablets and other rechargeable devices. It has an internal battery and output interface, and users can use a charging bank to transfer power to the device through a connecting cable, thereby extending the battery life of the device.
2, PowerBank is not the brand of power bank, but the common English translation of power bank = power bank, borrow and return, and borrow again is not difficult. 2, use the charging bank to charge the mobile phone, borrow the battery storage inside the charging bank to charge the mobile phone battery. Use the charger to charge the power bank, 3, is to returnOn the power deficit. The charger is the use of household 220 volts alternating current, from it to 5 volts direct current and then charged to the charging bank.
3, you can, but it is best not to, so the charging effect is not good, and the phone battery is also very harmful.
4, Wh is the abbreviation of WattHours, Chinese read as watthours, is a unit of electricity. Wh is a quantity proportional to voltage, current, and time. wh is equivalent to 5v charging treasure 20000 MA, wh unit is degree! One thousand wh is one degree of electricity at home! Charging treasure is mainly used for mobile phones and so on