India’s Biggest Mobile
Battery Brand
India’s Biggest Mobile
Battery Brand

Oppo BLP791 Battery for Oppo Reno4, F17, A73 – 4015mAh

Brand: MT Star, Quality Beyond Comparison

MT Star BLP791 battery for the Oppo Reno4, Oppo F17 and Oppo A73. 4015mAh, certified to IS 16046 for safe everyday use.

About this Product

The MT Star BLP791 is a 4015mAh replacement for the Oppo Reno4 (4G), F17 and A73, slim phones with 30W VOOC charging.

Compatible models

  • Oppo Reno4
  • Oppo F17
  • Oppo A73

Oppo BLP791 battery specifications

Battery model BLP791
Compatible devices Oppo Reno4, Oppo F17, Oppo A73
Capacity 4015mAh typical / 3920mAh 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

Signs your Oppo Reno4 needs a new battery

  • The device gets hot while charging or during normal use
  • The battery percentage jumps or drops unexpectedly
  • The back panel or screen is lifting (a sign of a swollen battery)
  • The device only works while plugged into the charger

Why choose MT Star

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.

  • BIS certified
  • Original size & connector
  • Easy returns

Frequently asked questions

Which devices does the BLP791 battery fit?

The MT Star BLP791 battery fits the Oppo Reno4, Oppo F17 and Oppo A73. It’s the same battery for all of these models.

What is the battery capacity of the Oppo Reno4?

This replacement battery has a capacity of 4015mAh, matching the Oppo Reno4’s original battery.

Is the MT Star BLP791 battery safe?

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.

Can I buy MT Star batteries in bulk?

Yes. MT Star supplies distributors and repair shops across India. Contact us to become a distributor.

How do I know my Oppo Reno4 battery needs replacing?

Common signs are fast draining, sudden shutdowns at 10-30%, heating while charging, or a swollen battery lifting the back panel.