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

MI BN5D Battery for Redmi Note 11, Note 11S – 5000mAh

Brand: MT Star, Quality Beyond Comparison

Bring back full-day battery life on your Redmi Note 11 and Redmi Note 11S with the MT Star BN5D: 5000mAh, BIS certified and made to the original size.

About this Product

The Redmi Note 11 and Note 11S are among India’s most popular phones, and both use the BN5D battery. The MT Star BN5D is a 5000mAh direct-fit replacement that fixes fast drain, swelling and random restarts.

Compatible models

  • Redmi Note 11
  • Redmi Note 11S

MI BN5D battery specifications

Battery model BN5D
Compatible phones Redmi Note 11, Redmi Note 11S
Capacity 5000mAh typical / 4900mAh 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 Redmi Note 11 needs a new battery

  • The battery percentage jumps or drops unexpectedly
  • The back panel or screen is lifting (a sign of a swollen battery)
  • The phone only works while plugged into the charger
  • Charging takes far longer than it did when the phone was new

Why choose MT Star

MT Star supplies batteries for hundreds of phone models to distributors and repair shops across India. Our Premium Series 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 BN5D battery fit?

The MT Star BN5D battery fits the Redmi Note 11 and Redmi Note 11S. It’s the same battery for all of these models.

What is the battery capacity of the Redmi Note 11?

This replacement BN5D battery has a capacity of 5000mAh, matching the Redmi Note 11’s original battery.

Is the MT Star BN5D 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.

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.