Original BP40 4000mAh Battery for Xiaomi Redmi K20 Pro MZB7749IN / Mi 9T Pro Battery. 4 Months Warranty

This battery is 100% original, fresh, tested for full capacity, and suitable for Redmi K20 Pro.
The Redmi K20 Pro battery model number is BP40 the capacity is 4000 mAh.
Max Voltage 4.4V.
Nominal Voltage 3.85V
Rated Capacity 3900mAh
Typical Capacity 4000mAh
You can resolve all the battery issues by using this product.
Warranty-4 month