Yes, but not recommended.
If the wireless charging treasure is out of power, try not to charge the mobile phone while charging, mainly because the charging effect is not good, and the damage to the mobile phone battery is relatively large. The battery cell of the wireless charging bank is generally lithium battery, lithium battery has no memory attribute, the service life of each charge will be reduced a little, charging while charging the mobile phone, equivalent to repeated charging and discharging, which is very damaging to the material in the battery; Moreover, such charging is easy to cause the charging treasure to heat up, causing security risks.
Yes, the wireless power bank can be used while charging. Through wireless charging technology, power can be transferred to the device that supports wireless charging, without the need to use a charging cable connection. Therefore, you can put the wireless charging bank on one side to charge, and put the device that needs to be charged on the other side to use, to achieve the function of charging and using at the same time. This makes it easy for you to move or use the device
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Keep the battery full.