You can use Xiaomi's 120W charging head, but it's a little too wasteful.
Xiaomi 50w wireless charging does not have to use 67w charger to charge oh. You can also use other wattage charger to charge it.
120W wired charging, in the constant temperature state, the charging speed takes 21 minutes to charge 100% of the electricity, and in the constant temperature, you can detect the temperature of the whole machine at 25 ° C, the whole temperature does not exceed 37 ° C, while adding the intelligent fast charging system, so that the charging temperature, speed, battery health.
The 4500mAh battery of Mi MIX4 is a two-series MTW graphene-based anode lithium-ion battery with ultra-low internal resistance, which can greatly improve the charging speed, while also reducing the charging temperature rise. The battery uses new materials, which can improve the fast charging performance of the battery.
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Backward compatible, also requires support for related protocols. That is, we need to see if the voltage and current match. If there is no matching voltage, the charging speed of 50w cannot be played.