Mar 30, 2021 · 5,020mAh folding screen largest battery, 100% charged in 37 minutes 1 Mi MIX FOLD has a built-in 5,020mAh battery, offering the largest battery capacity among most foldables currently on the market. It uses Xiaomi’s patented new dual-battery parallel architecture, which consists of two batteries with a capacity of 2,460mAh and 2,560mAh.
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