Brand: MT Star, Quality Beyond Comparison
Bring back full-day battery life on your Infinix Note 11, Infinix Note 12 and Infinix Note 12i with the MT Star BL-49KX: 5000mAh, BIS certified and made to the original size.
One battery model, three popular Infinix phones. The MT Star BL-49KX is a direct-fit 5000mAh replacement for the Infinix Note 11, Note 12 and Note 12i. It’s the easy fix when any of them starts needing a charge by lunchtime.
| Battery model | BL-49KX |
|---|---|
| Compatible phones | Infinix Note 11, Infinix Note 12, Infinix Note 12i |
| Capacity | 5000mAh typical / 4900mAh rated |
| Nominal voltage | 3.87V |
| Charge voltage limit | 4.45V |
| Battery type | Rechargeable lithium-ion polymer |
| Certification | BIS IS 16046 (Part 2): 2018 and IEC 62133-2: 2017 (R-41280119) |
| Series | MT Star Premium Series |
MT Star supplies batteries for hundreds of phone models to distributors and repair shops across India. Our Premium Series cells use the original form factor and connector, carry BIS certification, and come with easy returns for any manufacturing defect.
The MT Star BL-49KX battery fits the Infinix Note 11, Infinix Note 12 and Infinix Note 12i. It’s the same battery for all of these models.
This replacement BL-49KX battery has a capacity of 5000mAh, matching the Infinix Note 11’s original battery.
Yes. It’s certified under BIS IS 16046 (Part 2): 2018 and IEC 62133-2: 2017 (R-41280119) and is made to the original size and connector.
Yes. We recommend having it fitted by a trained mobile repair technician, because modern phones have glued backs and delicate connectors.
Use a good-quality charger suited to your phone. After fitting, charge it fully and use it normally for the first few cycles so the battery indicator calibrates.
Yes. MT Star supplies distributors and repair shops across India. Contact us to become a distributor.






