A high-performance battery of 5020mAh that extends the usage time of your Xiaomi Redmi 9 / Note 9. Replace your battery, and your smartphone will function like it did on the first day. The 5020mAh replacement battery is manufactured to the highest quality standards. Features and product specifications: Xiaomi Redmi 9 / Redmi Note 9 BN54 replacement battery, 5020mAh battery capacity, safe charging thanks to overload and overheating protection. Guarantees the same performance as the original battery. High quality and durable.