Brand: MT Star, Quality Beyond Comparison
3300mAh replacement battery for the OnePlus 6 (battery model BLP657). BIS certified, original-size fit, made by MT Star.
Keep the OnePlus 6 working for years with the MT Star BLP657. This 3300mAh battery is BIS certified and made to the same size and flex connector as the original.
| Battery model | BLP657 |
|---|---|
| Compatible devices | OnePlus 6 |
| Capacity | 3300mAh typical / 3210mAh rated |
| Nominal voltage | 3.85V |
| 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 OnePlus 6 uses the BLP657 battery. The MT Star BLP657 is a direct replacement for it.
This MT Star replacement battery has a capacity of 3300mAh.
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.















