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Tag Archives: Mi Band 4 Battery

Xiaomi Mi Band 4 Battery Test: Discharge at any Cost

New Xiaomi Mi Band 4 fitness tracker came with us from the factory with 57% charge – this is where our battery test began. We discharged it to “zero”, loading in all possible ways. How long it took and in which mode the tracker worked – we tell in a detailed report below. We had a smartphone with Bluetooth 4.2 …

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