India’s Biggest Mobile
Battery Brand
Battery Brand
Brand: MT Star, Quality Beyond Comparison
4100mAh replacement battery for the Vivo Y73s (battery model B-O3). BIS certified, original-size fit, made by MT Star.
Keep the Vivo Y73s working for years with the MT Star B-O3. This 4100mAh battery is BIS certified and made to the same size and flex connector as the original.
| Battery model | B-O3 |
|---|---|
| Compatible devices | Vivo Y73s |
| Capacity | 4100mAh typical / 4020mAh 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 |
| 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 Vivo Y73s uses the B-O3 battery. The MT Star B-O3 is a direct replacement for it.
This MT Star replacement battery has a capacity of 4100mAh.
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.
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.
