Redmi 9 & Note 9 (BN54) Li-ion polymer Replacement Battery
The BN54 Li-ion polymer replacement battery restores strong, reliable power for Xiaomi Redmi 9 and Note 9 4G devices. It delivers long-lasting performance, stable charging, and dependable daily use, making it an ideal solution for worn or failing original batteries.
Specifications
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Model: BN54
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Type: Rechargeable Li-ion Polymer
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Capacity: 4920mAh (min) / 5020mAh (typ)
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Voltage: 3.87V nominal
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Charging Limit: 4.45V
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Compatible Device: Xiaomi Redmi 9, Note 9