You need to charge Galaxy S21 battery properly to slow down the degradation of battery performance over time.
This Galaxy S21 how-to guide explains everything you need to know on how to charge Galaxy S21 battery properly. The two charging modes (USB cable, wireless charging) are explained and illustrated with detailed steps. Questions related to charging Galaxy S21 battery, including the first time charging, disabling fast charging, overnight charging, topping up the battery, draining up the battery, are answered.
All three Galaxy S21 models (Galaxy S21, S21+, and S21 Ultra) use identical battery and charging technology. So, this guide applies to all these 3 models.
Update: in the Android 14 (One UI 6) update for Galaxy S23, S22, and S21, the battery settings are separated from the Device Care.
Two charging modes to charge Galaxy S21 battery
You can charge Galaxy S21 battery in two different modes:
- USB cable charging.
- Wireless charging.
These two modes are based on different technologies. And there are different standards for these two charging methods.
USB cable charging
USB cable charging is common among smartphones. Almost all smartphones support USB cable charging.
But charging speed differs dramatically due to various … Read the rest