Lenovo BL261 Battery for Lenovo K5 Note – 3500mAh

Brand: MT Star, Quality Beyond Comparison

3500mAh replacement battery for the Lenovo K5 Note (battery model BL261). BIS certified, original-size fit, made by MT Star.

About this Product

Repair shops trust the MT Star BL261 for the Lenovo K5 Note: a 3500mAh cell made to the original dimensions, so it fits cleanly and charges like new.

Lenovo BL261 battery specifications

Battery model	BL261
Compatible devices	Lenovo K5 Note
Capacity	3500mAh
Nominal voltage	3.82V
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 Lenovo K5 Note needs a new battery

The phone shuts down suddenly at 10-30% charge
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)

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 battery does the Lenovo K5 Note use?

The Lenovo K5 Note uses the BL261 battery. The MT Star BL261 is a direct replacement for it.

What is the capacity of this Lenovo K5 Note battery?

This MT Star replacement battery has a capacity of 3500mAh.

Is the MT Star BL261 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.