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

MI BM47 Battery for Redmi 3S, 3S Prime, 4X, 3 – 4100mAh

Brand: MT Star, Quality Beyond Comparison

4100mAh replacement battery for the Redmi 3S, 3S Prime, 4X & more (battery model BM47). BIS certified, original-size fit, made by MT Star.

About this Product

The MT Star BM47 is a 4100mAh replacement battery for the Redmi 3S, Redmi 3S Prime and Redmi 4X and more. It brings back the all-day battery life the phones were bought for.

Compatible models

  • Redmi 3S
  • Redmi 3S Prime
  • Redmi 4X
  • Redmi 3

MI BM47 battery specifications

Battery model BM47
Compatible devices Redmi 3S, Redmi 3S Prime, Redmi 4X, Redmi 3
Capacity 4100mAh typical / 4000mAh 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 3S needs a new battery

  • The phone only works while plugged into the charger
  • 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

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 BM47 battery fit?

The MT Star BM47 battery fits the Redmi 3S, Redmi 3S Prime, Redmi 4X and Redmi 3.

What is the capacity of this Redmi 3S battery?

This MT Star replacement battery has a capacity of 4100mAh.

Is the MT Star BM47 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 do I know my Redmi 3S battery needs replacing?

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

Should a technician install this battery?

Yes. For phones with glued backs we recommend fitting by a trained mobile repair technician.