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Battery Brand
Battery Brand
Brand: MT Star, Quality Beyond Comparison
5000mAh replacement battery for the Redmi 8A and Redmi 8 (battery model BN51). BIS certified, original-size fit, made by MT Star.
Keep the Redmi 8A working for years with the MT Star BN51. This 5000mAh battery is BIS certified and made to the same size and flex connector as the original.
| Battery model | BN51 |
|---|---|
| Compatible devices | Redmi 8A, Redmi 8 |
| Capacity | 5000mAh typical / 4900mAh 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 |
Every MT Star Premium Series battery is made to the original size and connector, so it fits like the original. Each cell is BIS certified and tested for safe, stable output, and manufacturing defects are covered by easy returns.
The MT Star BN51 battery fits the Redmi 8A and Redmi 8.
This MT Star replacement battery has a capacity of 5000mAh.
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.
Yes. MT Star supplies distributors and repair shops across India. Contact us to become a distributor.
Common signs are fast draining, sudden shutdowns at 10-30%, heating while charging, or a swollen battery lifting the back panel.
