The Redmi K40 can be quickly charged using an on-board charger that supports USB-C PD protocol output (18W, 27W, 30W respectively). This is because the Redmi K40 supports the USB-C PD protocol for fast charging, so in order to charge the phone faster, we need to use a car charger that supports the USB-C PD protocol output. 2. The use of USB-C PD protocol output car charger, can be better adapted and improve the efficiency of fast charging.
It is recommended to choose a car charger with higher power in order to charge the phone faster.
Red rice mobile phone is generally best to use the original charger, or five volt two-amp specifications of the brand charger, there is no problem.
Large battery capacity, 4500mAh battery, long charging time, long battery life.
Car charge 5v2a can be charged, universal charger, 3 hours or so full. You can use a fast charger for better use.
Ordinary car charger on the market, millet charger has a fast charging version