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

MI BN54 Battery for Redmi Note 9, 10X 4G – 5020mAh

Brand: MT Star, Quality Beyond Comparison

5020mAh replacement battery for the Redmi Note 9 and Redmi 10X 4G (battery model BN54). BIS certified, original-size fit, made by MT Star.

About this Product

Repair shops trust the MT Star BN54 for the Redmi Note 9 and Redmi 10X 4G: a 5020mAh cell made to the original dimensions, so it fits cleanly and charges like new.

Compatible models

  • Redmi Note 9
  • Redmi 10X 4G

MI BN54 battery specifications

Battery model BN54
Compatible devices Redmi Note 9, Redmi 10X 4G
Capacity 5020mAh typical / 4920mAh 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

Signs your Redmi Note 9 needs a new battery

  • Charging takes far longer than it did when the device was new
  • The battery drains much faster than it used to
  • The phone shuts down suddenly at 10-30% charge
  • The device gets hot while charging or during normal use

Why choose MT Star

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.

  • BIS certified
  • Original size & connector
  • Easy returns

Frequently asked questions

Which phones does the BN54 battery fit?

The MT Star BN54 battery fits the Redmi Note 9 and Redmi 10X 4G.

What is the capacity of this Redmi Note 9 battery?

This MT Star replacement battery has a capacity of 5020mAh.

Is the MT Star BN54 battery safe?

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.

How should I charge a new replacement battery?

Use a good-quality charger suited to your phone. After fitting, charge it fully and use it normally for the first few cycles so the battery indicator calibrates.

Can I buy MT Star batteries in bulk?

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