India’s Biggest Mobile
Battery Brand
Battery Brand
Brand: MT Star, Quality Beyond Comparison
Bring back full-day battery life on your Vivo Y52s and Vivo Y31 (2021) with the MT Star B-O8: 5000mAh, BIS certified and made to the original size.
The MT Star B-O8 is a 5000mAh replacement for the Vivo Y52s and Y31 (2021), bringing back full-day battery life for these everyday phones.
| Battery model | B-O8 |
|---|---|
| Compatible devices | Vivo Y52s, Vivo Y31 (2021) |
| Capacity | 5000mAh typical / 4910mAh 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 cells use the original form factor and connector, carry BIS certification, and come with easy returns for any manufacturing defect.
The MT Star B-O8 battery fits the Vivo Y52s and Vivo Y31 (2021). It’s the same battery for all of these models.
This replacement battery has a capacity of 5000mAh, matching the Vivo Y52s’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. MT Star supplies distributors and repair shops across India. Contact us to become a distributor.
Common signs are fast draining, sudden shutdowns at 10-30%, heating while charging, or a swollen battery lifting the back panel.
