India’s Biggest Mobile
Battery Brand
Battery Brand
Brand: MT Star, Quality Beyond Comparison
4000mAh replacement battery for the Infinix Hot S3 (battery model BL-39JX). BIS certified, original-size fit, made by MT Star.
Repair shops trust the MT Star BL-39JX for the Infinix Hot S3: a 4000mAh cell made to the original dimensions, so it fits cleanly and charges like new.
| Battery model | BL-39JX |
|---|---|
| Compatible devices | Infinix Hot S3 |
| Capacity | 4000mAh typical / 3920mAh rated |
| 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 Infinix Hot S3 uses the BL-39JX battery. The MT Star BL-39JX is a direct replacement for it.
This MT Star replacement battery has a capacity of 4000mAh.
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.
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.
