When charging the phone Charge your phone The amp charger current will show you the amount of charge current in mAH you have received and information about the battery. charger current amp can prevent you from using a bad charger. It also indicates the number of mAhs needed to charge current mobile phones if it is connected to a USB cable or chargers (AC / Wireless).
Supported Android
{4.0 and UP}
Supported Android Version:-
Jelly Bean(4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) – Marshmallow (6.0 – 6.0.1) – Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1) – Pie (9.0)