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Xiaomi Mi Band 4 Battery Drain Fast? How to get a Better Battery Backup with Mi Band 4?

ByJoe Horner 2020-03-16 13823

Recently, many users have found problems with the battery life of the Xiaomi Mi Band 4, which battery drain very quickly. The start time should have a lot to do with the last Mi-Fit APP update. In response to this situation, we conducted a simple test and found a way to extend Xiaomi Mi Band 4 battery life, hoping to help Mi Band 4 users who troubled with power problems.

How to extend Mi Band 4 Battery Life?

Under normal circumstances, the battery life of Xiaomi Mi Band 4 is about 15 days. After the firmware update of Mi Band 4, the remaining power is 51% after 3 days of use, and the battery life is reduced by more than 50%. During this period, the various settings of Mi Band 4 have not been changed, and there is no significant difference in the amount of exercise per day.

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In order to find out what affected the battery life, Gearbest Blog did a simple test:

Charging the Mi Band 4 to 100%, turning off Bluetooth on the phone for more than 2 days, it was found that the remaining power of Xiaomi Mi Band 4 was 86%. Maintain the same amount of exercise and habits as usual during the test. This result roughly proves that there is a problem with the power consumption: Mi Band 4 Bluetooth of the connected phone.


Therefore, we draw a conclusion:

For Xiaomi Mi Band 4 users who have problems with battery life, if they do not need to synchronize data and wake up XiaoAi voice assistant in real-time, they can turn off the Bluetooth function of the phone, which can effectively improve the battery life of Xiaomi Mi Band 4.


Other Tricks to Extend Mi Band 4 Battery Life

  • Change your settings and turn off unwanted features in the Mi fit app to get a better battery backup. Such as unlocking the phone screen, idle alert, alarm and so on.

  • Do a factory reset and uninstall the Mi fit app and install the latest version., Also update the Xiaomi mi band 4 to the latest firmware too.

  • Dry a darker watch face.

    Go back to stock watch faces.

  • Recalibrate your battery (drain battery to 1% then charge to 100% and wait for an extra 20 mins).


    Note: If the above steps don’t work for you and lose more than 30 % battery in a single day. Then ask for a replacement as soon as possible. Because there might be a chance that your Mi band’s battery is defective. Or you can wait until Xiaomi officially pushes out the new firmware to fix this battery problem.

  • For Gearbest customers: If you've purchased Xiaomi Mi band 4from us and still have a problem after reading this post, please do not hesitate to get in touch with us. Just fill in the ticket with your questions at our Support Center and send it to us. We will do our best to deal with your problem as soon as possible. We are always happy to help.

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