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

MI BM42 Battery for Redmi Note (4G), Note (3G) – 3200mAh

Brand: MT Star, Quality Beyond Comparison

3200mAh replacement battery for the Redmi Note (4G) and Redmi Note (3G) (battery model BM42). MT Star M-Series, original-size fit.

About this Product

The MT Star BM42 is a 3200mAh removable battery for the Redmi Note (4G) and other phones that take the same pack. It brings back long standby time without any tools or technician visit.

Compatible models

  • Redmi Note (4G)
  • Redmi Note (3G)

MI BM42 battery specifications

Battery model BM42
Compatible devices Redmi Note (4G), Redmi Note (3G)
Capacity 3200mAh typical / 3100mAh rated
Nominal voltage 3.8V
Charge voltage limit 4.35V
Battery type Rechargeable lithium-ion (removable)
Certification BIS IS 16046 (Part 2): 2018 and IEC 62133-2: 2017
Series MT Star M-Series

Signs your Redmi Note (4G) needs a new battery

  • The phone only turns on while it is on the charger
  • The battery feels warm while charging
  • Standby time has dropped from days to hours
  • The phone switches off when you make a call

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 BM42 battery fit?

The MT Star BM42 battery fits the Redmi Note (4G) and Redmi Note (3G).

What is the capacity of this Redmi Note (4G) battery?

This MT Star replacement battery has a capacity of 3200mAh.

Is the MT Star BM42 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 removable battery?

Charge it fully before first use and use a good-quality charger. Standby time settles in after the first few cycles.

Can I buy MT Star batteries in bulk?

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