India’s Biggest Mobile
Battery Brand
Battery Brand
Brand: MT Star, Quality Beyond Comparison
Bring back full-day battery life on your Oppo A3, A3x 4G, A3 Pro & more with the MT Star BLPA77: 5100mAh, BIS certified and made to the original size.
The MT Star BLPA77 is a 5100mAh battery for Oppo’s latest A-series, including the A3, A3x 4G, A3 Pro, A80 and A40 5G. One battery model covers five current Oppo phones.
| Battery model | BLPA77 |
|---|---|
| Compatible phones | Oppo A3, Oppo A3x 4G, Oppo A3 Pro, Oppo A80, Oppo A40 5G |
| Capacity | 5100mAh typical / 4970mAh rated |
| Nominal voltage | 3.91V |
| Charge voltage limit | 4.5V |
| 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 Premium Series cells use the original form factor and connector, carry BIS certification, and come with easy returns for any manufacturing defect.
The MT Star BLPA77 battery fits the Oppo A3, Oppo A3x 4G, Oppo A3 Pro, Oppo A80 and Oppo A40 5G. It’s the same battery for all of these models.
This replacement BLPA77 battery has a capacity of 5100mAh, matching the Oppo A3’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.
Common signs are fast draining, sudden shutdowns at 10-30%, heating while charging, or a swollen battery lifting the back panel or screen.
Yes. We recommend having it fitted by a trained mobile repair technician, because modern phones have glued backs and delicate connectors.
