India’s Biggest Mobile
Battery Brand
Battery Brand
Brand: MT Star, Quality Beyond Comparison
5020mAh replacement battery for the Redmi Note 9S and Redmi Note 9 Pro (Global) (battery model BN55). BIS certified, original-size fit, made by MT Star.
The MT Star BN55 is a 5020mAh replacement battery for the Redmi Note 9S and Redmi Note 9 Pro (Global). It brings back the all-day battery life the phones were bought for.
| Battery model | BN55 |
|---|---|
| Compatible devices | Redmi Note 9S, Redmi Note 9 Pro (Global) |
| Capacity | 5020mAh typical / 4920mAh rated |
| Nominal voltage | 3.85V |
| Charge voltage limit | 4.4V |
| Battery type | Rechargeable lithium-ion polymer |
| Certification | BIS IS 16046 (Part 2): 2018 and IEC 62133-2: 2017 |
| Series | MT Star Premium Series |
Safety comes first with MT Star. Our batteries are certified to IS 16046 and IEC 62133-2, built to the original dimensions, and backed by our support team and easy returns for manufacturing defects.
The MT Star BN55 battery fits the Redmi Note 9S and Redmi Note 9 Pro (Global).
This MT Star replacement battery has a capacity of 5020mAh.
Yes. It's certified under BIS IS 16046 (Part 2): 2018 and IEC 62133-2: 2017 and is made to the original size and connector.
Common signs are fast draining, sudden shutdowns at 10-30%, heating while charging, or a swollen battery lifting the back panel.
Yes. For phones with glued backs we recommend fitting by a trained mobile repair technician.
