Do Power Banks Ruin Your Phone. Therefore I suggest you buy a power bank with multiple protection measures. Power banks have probably saved the day more than anyone knows but most people use them without really knowing anything about them.
It is very rare for a power bank to damage a phones battery. Often this relates to being dropped from a height of under 1M we go into more detail about what to do with your dropped power bank from this height later on. The power bank is safe for your phone when you use the right one.
But you must ensure that the current of the power bank is within a reasonable range that the phone can withstand otherwise it will damage the battery of the phone.
For instance if the capacity of your phone is 2500 mAh then a power bank of capacity 2000 mAh wont be able to charge it fully from 0-100 whereas a po. Most cell phones require a wall charger or a portable charger that offers an output voltage of around 5V. For example overcharging a bad quality Lithium-ion power bank can cause the power bank to explode. So charging your phone with mobile power wont damage the battery.
