India’s Biggest Mobile
Battery Brand
Battery Brand
Brand: MT Star, Quality Beyond Comparison
4100mAh replacement battery for the Redmi Note 4 and Redmi Note 4X (battery model BN43). BIS certified, original-size fit, made by MT Star.
The MT Star BN43 is a 4100mAh replacement battery for the Redmi Note 4 and Redmi Note 4X. It brings back the all-day battery life the phones were bought for.
| Battery model | BN43 |
|---|---|
| Compatible devices | Redmi Note 4, Redmi Note 4X |
| Capacity | 4100mAh typical / 4000mAh 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 BN43 battery fits the Redmi Note 4 and Redmi Note 4X.
This MT Star replacement battery has a capacity of 4100mAh.
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.
