There will be no harm, because the charging treasure charges the mobile phone, theoretically as long as the quality of the charging treasure is up to standard and suitable, it is no different from charging in the socket. To avoid the damage caused by the charging bank to the mobile phone battery, you can start from two aspects: buy a quality standard charging bank and correct use habits. Proper usage habits include but are not limited to:
1. Don't charge the battery at the last minute. Try to charge your phone as soon as it tells you to.
2. Don't overcharge. Some people like to go to bed at night, sleep up. The mobile phone is full often does not need so long, so long will naturally cause damage to the mobile phone battery.
3. Pay attention to the charging environment. Don't charge your phone under your pillow. Charge it in a drawer. It should be placed in an open environment to help the phone heat dissipation.
4. Get rid of the bad habit of playing while filling. It can also damage the battery over time. The purchase of quality standard charging treasure should pay attention to: 1, buy large manufacturers' products. Or good reputation online shop products. 2, the volume of the charging bank is proportional to the capacity. Those small and claimed to have tens of thousands of capacity of the charging treasure is not reliable, do not covet cheap. 3, often engage in activities, the price of high and low shop do not enter the purchase of products.