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Battery Brand
Battery Brand
Brand: MT Star, Quality Beyond Comparison
4440mAh replacement battery for the iQOO 3 (battery model B-K7). BIS certified, original-size fit, made by MT Star.
Keep the iQOO 3 working for years with the MT Star B-K7. This 4440mAh battery is BIS certified and made to the same size and flex connector as the original.
| Battery model | B-K7 |
|---|---|
| Compatible devices | iQOO 3 |
| Capacity | 4440mAh typical / 4370mAh rated |
| Nominal voltage | 3.85V |
| Charge voltage limit | 4.4V |
| Battery type | Rechargeable lithium-ion polymer |
| Certification | BIS IS 16046 (Part 2): 2018 and IEC 62133-2: 2017 |
| Series | MT Star Premium Series |
Safety comes first with MT Star. Our batteries are certified to IS 16046 and IEC 62133-2, built to the original dimensions, and backed by our support team and easy returns for manufacturing defects.
The iQOO 3 uses the B-K7 battery. The MT Star B-K7 is a direct replacement for it.
This MT Star replacement battery has a capacity of 4440mAh.
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.
