Mi MIX4 has a built-in 4500mAh battery, which is the largest battery capacity in the hundred watt fast charging flagship. Under the 120Hz refresh rate in balanced mode, Mi MIX4 consumes 15% of power in the integrated usage scenario of web browsing, video and games in one hour. It is estimated that its comprehensive battery life is about 6.7 hours. Adjusting the screen refresh rate to 60Hz or smart mode, reducing the brightness of the screen, can make it last longer.
When using 120W wired fast charge for charging, Mi MIX4's power from 4% to 100% takes only 19 minutes, if the heat dissipation conditions are good, the charging speed will be faster, only 10 minutes can be filled with 80% of the power. Mi MIX4 supports 80W wireless charging power, but the default wireless charging power is 50W, and it takes 40 minutes to charge the built-in 4500mAh battery to 100%.