Brand: MT Star, Quality Beyond Comparison
5000mAh replacement battery for the Vivo Y03 (battery model B-A33). BIS certified, original-size fit, made by MT Star.
The MT Star B-A33 is a 5000mAh replacement battery for the Vivo Y03. It brings back the all-day battery life the phone was bought for.
| Battery model | B-A33 |
|---|---|
| Compatible devices | Vivo Y03 |
| Capacity | 5000mAh typical / 4880mAh rated |
| Nominal voltage | 3.91V |
| Charge voltage limit | 4.48V |
| 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 Vivo Y03 uses the B-A33 battery. The MT Star B-A33 is a direct replacement for it.
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.
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.















