Everything you need to know about charging Galaxy S8 battery: what chargers can be used to charge Galaxy S8 battery, how to use a wall charger, wireless charger or fast wireless charger to charge the battery in Galaxy S8 and S8+, how to disable fast charging or fast wireless charging in Galaxy S8 and S8+, and how to properly charge Galaxy S8 battery.
Samsung Galaxy S8 and S8+ use a non-removable battery, which can only be replaced at Samsung service center. Â It is impossible to carry a spare battery for Galaxy S8 or S8+.
So, it is important to charge Galaxy S8 battery properly to let the battery serve you at least one to two years.
What chargers can be used to charge Galaxy S8 battery?
In your Galaxy S8 (or S8+) box, Â you can find the adaptive wall charger (and the USB cable).
Of course, you can use other chargers to charge Galaxy S8 battery.
Namely, you can use any of the 4 types of chargers to charge the battery in Galaxy S8 and S8+:
- adaptive wall charger (fast charger) included in the Galaxy S8 box;
- standard USB wall charger;
- wireless charging pad; or
- fast charging wireless charging pad.
Adaptive wall charger (fast charger)
The bundled wall charger in the box is an adaptive charger, which can adjust its output based on feedback from the phone.
In other words, the adaptive wall charger will automatically adjust the charging power to offer fast charging.
For Galaxy S8 and S8+, the adaptive wall charger can charge Galaxy S8 battery at 9v 1.67A when the battery level is lower than about 60%.
When battery level is higher than about 60%, the wall charger will automatically switch charging voltage to 5V and charging current  up to 2A.
So, … Read the rest