BP40 Battery Flex Cable for Xiaomi Redmi K20 Pro / Mi 9T Pro
The BP40 Battery Flex Cable for Xiaomi Redmi K20 Pro / Mi 9T Pro is a replacement spare part used to establish the connection between the compatible battery and the motherboard.
It is suitable for mobile repair technicians, service centers and users replacing a damaged or faulty battery connection flex. The BP40 battery platform is commonly associated with the Redmi K20 Pro and Xiaomi Mi 9T Pro, while the standard Redmi K20/Mi 9T is generally associated with BP41. Manuals+
A damaged battery flex can contribute to problems such as an unstable battery connection, charging/power issues or the phone failing to properly recognize the battery. Proper model and connector verification is recommended before installation.
Key Features
- BP40 battery flex cable
- Designed for compatible Redmi K20 Pro
- Compatible with Xiaomi Mi 9T Pro variants
- Replacement battery connector flex
- Connects battery to motherboard
- Suitable for mobile phone repair
- Useful for damaged or faulty battery flex replacement
- Compact and lightweight spare part
- Professional installation recommended
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Battery Flex Cable |
| Battery Model | BP40 |
| Compatible Model | Xiaomi Redmi K20 Pro |
| Other Compatible Model | Xiaomi Mi 9T Pro |
| Function | Battery-to-Motherboard Connection |
| Part Type | Replacement Spare Part |
| Application | Mobile Phone Repair |
| Installation | Professional Installation Recommended |
What’s in the Box
- 1 × BP40 Battery Flex Cable
Important Compatibility Note
BP40 is generally associated with Redmi K20 Pro / Mi 9T Pro, while Redmi K20 / Mi 9T commonly uses BP41. Always compare the existing flex, connector and phone model before ordering.






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