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Xiaomi Robot Vacuum 4S2P DIY Battery Pack Repair

My Xiaomi Robot (V1) just sporadically shut down after around 20 Minutes of cleaning, stating "Error 14". I looked it up, and Error 14 stands for battery malfunction.

Since i own a lot of 18650 battery packs I'm able to build my own battery from old laptop battery 18650s, so I decided to upload the pinout of the Xiaomi Charging Pad

Solder your 4S cells here and you're good to go!

Published inProduktionenTechTalk

3 Comments

  1. Betrand Betrand

    Hi!
    Whats are the white and yellow connectors ?
    Voltage I guess ? (4 and 12v ) ?

    Regards,

  2. Hi Bertrand, no. I thought they were balance leads, but they are proprietary signal pins, problably temperature sensors or so.

  3. Bertrand Bertrand

    Thank you Florian

    I thkink my board is broken because even after changing the cells I cannot charge the "new battery".
    Rockrobot is saying "battery charging" then move away from the charger few seconds after.

    Any other Ideas ?

    Regards,

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