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Battery Brand
Battery Brand
Brand: MT Star, Quality Beyond Comparison
4000mAh replacement battery for the Infinix Hot S3 (battery model BL-39GX). BIS certified, original-size fit, made by MT Star.
The MT Star BL-39GX is a 4000mAh replacement battery for the Infinix Hot S3. It brings back the all-day battery life the phone was bought for.
| Battery model | BL-39GX |
|---|---|
| Compatible devices | Infinix Hot S3 |
| Capacity | 4000mAh typical / 3900mAh 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 Infinix Hot S3 uses the BL-39GX battery. The MT Star BL-39GX 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.
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.
