Original Built-in Battery BN55 for Redmi note 9 pro Global/9s (only Deliver to some countries)

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    product Description

    Original Built-in Battery BN55 for Redmi note 9 pro Global/9s (only Deliver to some countries)
    We can send batteries to some countries via battery shipping only.
    Please click seller guarantees on the right of the Feedback to see if your country can send battery.
    If your country can't send batteries but you still buy them,we will only refund you 85% of the sum.
    This product ensures that the capacity is sufficient and the battery is original.
    We use professional battery testing equipment(EBC-A10H) to test our battery one by one before shipped out.
    The test steps are as follow:
    1. Set Mode : D-CC Mode, Test Val : 0.2C, Cutoff Volt : 2.75V to discharge.
    2. Set Mode : C-CV Mode, Test Val : 0.5C, Voltage : 4.4V, Cutoff Curr : 0.05A to charge, it normally takes about 2 hours to get charge capacity.
    3. Set Mode : D-CC Mode, Test Val : 0.2C, Cutoff Volt : 2.75V to discharge, it normally takes about 5 hours to get discharge capacity.
    Finally, we can judge whether the battery is normal and whether the capacity is sufficient by test duration, curve and test results.
    Compatible with:

    Redmi note 9 pro

    Redmi note 9S

    Specifications
    Battery Model: BN55
    Product attributes:
    Battery Type: Li-ion,Li-polymer
    Rated capacity: 4920mAh (Tested capacity 4920mAh)
    Voltage limit: 4.4V

    Quality Grade: original new

    Origin: ShenZhen,China

    Frequent questions

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