Why does the Xiaomi 15T Pro charge slowly?

Thanks for your support of Xiaomi. Charging speed is influenced by ambient temperature, phone usage, and battery capacity. The Xiaomi 15T Pro supports 90 W ultra-fast charging, allowing a full charge in approximately 36 minutes with the screen off.
To ensure an optimal experience, please refer to the following information:
  1. Charging with the screen off:
Ensure that [Top speed] is selected. Charging power adjusts according to temperature and load.
With the screen off, the phone can reach the fastest charging speed (around 36 minutes).
If the [Top speed] mode is not selected, please select it and keep the phone in an environment around 25 °C with the screen off for optimal charging.
Even with [Top speed] enabled, the system automatically balances power and heat for safety. For faster charging, keep the phone in a suitable environment and the screen off.
  1. Charging with the screen on:
When using the phone, charging power is automatically adjusted to balance heat generation and safety.
To charge quickly while the phone is in use, it is recommended to turn off the screen and enable high-speed mode.
System updates will further improve charging efficiency and safety.

Does it help?

Yes
No