UGREEN 20W USB C Charger PD Fast Charger Block USB-C Wall Charger Power Adapter Compatible with iPhone 14/14 Pro Max/iPhone 13/12 Pro Max/SE/11, Pixel, Galaxy S23/S22/S21/S20/Note 10, iPad Mini/Pro

Why does the charging speed slow down after the battery is charged to 80%?

When the battery is charged to 80%, the trickle charging mode will start intelligently and slow down the charging speed to protect the battery from damage.

Why does the battery health of cell phone decline?

The battery capacity loss is affected by the number of times of charging. The more times the battery is charged, the lower the health value. This usb c charger will not affect the health of the cell phone"s battery.

Why does it get hot when charging?

The charger will convert energy and consume internal resistance during charging, which will generate a certain amount of heat. The built-in overheat protection system will actively stop charging when the temperature is too high.

Why is this usb c charger designed to be a flat cuboid, which seems to be very bulky?

Compared with the cube, the center of gravity of the cuboid is lower and more stable, thus our 20W charger block is not easy to slide out of the socket.