Refrain from charging a power bank while it is in operation unless it is designed to support pass-through charging.

if you are utilizing low-quality power banks, as you are concurrently charging while discharging their battery. This results in the power bank producing excessive heat, which is known to diminish the lifespan of lithium-ion batteries. Heat is also the primary reason why you should refrain from using your phone during charging. While certain power banks will disable the ports when charging to prevent this issue, if you’ve observed that yours does not, it’s essential to verify it has a feature called passthrough charging. If not, disconnect the other device and allow your power bank to charge peacefully.