1. You can use a fast charging bank.
2. Because oppoa11 supports fast charging technology, you can use the fast charging battery to charge it.
The Fast charger is able to provide higher charging power, so you can charge the oppoa11 faster. 3. The use of fast charging bank can help oppoa11 recover power faster and improve charging efficiency. This is very convenient in daily use, especially when going out or in emergency situations, it can charge the oppoa11 faster and extend the use time.
It is best to use the charger brought by the phone