Xiaomi BP40 Battery 3.85V 3900mAh Li-Polymer - Compatible Replacement

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  • Regular price $18.00


This 3.85 V 3900 mAh Li-Polymer battery is a compatible replacement for Xiaomi BP40. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.

  • Included: One replacement battery pack.
  • Replaces battery number: Xiaomi BP40

Battery specifications

Voltage 3.85 V
Capacity 3900 mAh
Chemistry Li-Polymer
Energy 15.02 Wh
Dimensions 70.80 x 61.00 x 5.00mm
Battery weight 52.5 g /1.85 oz

Replacing your Xiaomi BP40 battery

Compare the connector shape, wire arrangement and polarity with your original battery. Check all listed specifications; a similar model name or matching voltage alone does not confirm a fit.

Compatible equipment models
  • Xiaomi: M1903F11A, M1903F11C, M1903F11G, M1903F11T, MZB7748IN, MZB7749IN, MZB7750IN, MZB7751IN, MZB7752IN, MZB7753IN, Mi 9T Pro, Redmi K20 Pro
  • Redmi: K20 Pro, M1903F11A, M1903F11C, M1903F11G, M1903F11T, MZB7748IN, MZB7749IN, MZB7750IN, MZB7751IN, MZB7752IN, MZB7753IN, Mi 9T Pro
Replacement battery numbers
  • Xiaomi: BP40
  • Redmi: BP40

Need help matching your battery?

Contact Rocket Distributing with your equipment model and a photo of the battery label and connector.

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Additional compatibility details

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