This is a generic, equivalent one, 100% compatible. This 3.87V 5020mAh Replacement Li-ion battery is designed to compatible with Xiaomi Redmi Note 9S BN55.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 3.87V
* Battery Capacity: 5020mAh/19.4Wh
* Condition: new, 1 Year Warranty!
* Easy Installation
* Battery is tested accurately before shipping
* Compound Li-ion Chip, Safer and More Reliable

Compatible Part Numbers:
BN55

Compatible Model:
For Xiaomi Redmi Note 9S, For Redmi Note 9S, For Xiaomi M2003J6A1G

Package Included:
1 x Replacement Cell Phone Battery for Xiaomi Redmi Note 9S BN55 3.87V 5020mAh