Original Mi BP49 Battery For Redmi K40S Mobile – 4500mAh

Redmi K40S Battery BP49 is a high-quality 4500mAh replacement battery designed for the Xiaomi Redmi K40S smartphone. This Original Mi BP49 Battery is suitable for replacing an old, weak, or damaged battery and comes with a 180 Days (6 Months) Replacement Warranty from the date of purchase.

If your Redmi K40S battery is draining quickly, shutting down unexpectedly, not holding a charge, or showing reduced battery performance, replacing it with a compatible replacement battery can help restore reliable everyday usage.

Battery Features

Compatible Models

This Mi BP49 battery is designed for the compatible POCO and Xiaomi models listed below.

POCO F4 5G

• POCO F4 5G – 22021211RG
• POCO F4 5G – 22021211RI

Xiaomi Redmi Series

• Xiaomi Redmi K40S

Always verify your existing battery model number, phone model number, connector, and battery specifications before ordering.

Why Replace Your Redmi K40S Battery?

Over time, smartphone batteries naturally lose their ability to hold a full charge. A worn-out battery can cause shorter battery life, frequent charging, unexpected shutdowns, and reduced overall performance.

Common Signs You May Need a Battery Replacement

• Battery drains very quickly
• Phone requires frequent charging
• Battery percentage drops unexpectedly
• Phone switches off unexpectedly
• Battery does not hold charge properly
• Reduced battery backup compared with earlier usage
• Battery-related performance problems

The Mi BP49 battery has a 4500mAh capacity and is designed for the compatible models listed above.

Genuine Mi Replacement Battery

This 100% Original Mi BP49 Replacement Battery is supplied in loose packaging and is intended for compatible POCO F4 5G and Xiaomi Redmi K40S models.

Before installation, compare the battery model number, connector, dimensions, voltage, capacity, and compatibility with your existing battery to help ensure proper fitment.

Important Installation Information

Battery replacement should be performed by a qualified and experienced mobile technician. Improper installation can damage the battery, phone components, or connectors.

Do not attempt to puncture, bend, crush, disassemble, or modify the battery.

Warranty Information

This Mi BP49 battery comes with a 180 Days (6 Months) Replacement Warranty from the date of purchase.

The warranty covers eligible manufacturing defects and performance-related issues, subject to inspection and warranty terms.

Warranty Does Not Cover

• Physical damage
• Improper installation
• Damage caused during installation
• Water or liquid damage
• Misuse or abuse
• Swelling caused by improper handling
• Bulging or physical deformation
• Accidental damage
• Use with incompatible devices
• Tampering or modification

Battery Safety Guidelines

Lithium-ion polymer batteries should always be handled carefully.

• Do not puncture, bend, crush, or disassemble the battery.
• Keep the battery away from excessive heat and direct flames.
• Do not short-circuit the battery terminals.
• Do not modify or alter the battery.
• Use compatible chargers and accessories.
• Do not use a battery that appears swollen, damaged, or deformed.
• Have the battery installed by a qualified technician.

Before Ordering

Before purchasing the Mi BP49 battery, please:

• Switch off your phone before battery replacement.
• Have the existing battery inspected by a technician.
• Check the battery model number.
• Confirm the battery code BP49.
• Confirm your phone model number.
• Compare the battery connector and specifications.
• Verify compatibility with your exact device variant.
• Use professional installation.

Support

Email: support@batteryhub.online
Call / WhatsApp: 8356885211
Support Hours: 11:00 AM – 8:00 PM
Sunday: Closed

Frequently Asked Questions

Is this an original Mi BP49 battery?

Yes, this product is described as an Original Mi BP49 Replacement Battery for compatible devices.

What is the capacity of the Mi BP49 battery?

The battery capacity is 4500mAh.

Which phones are compatible with this battery?

It is compatible with POCO F4 5G (22021211RG, 22021211RI) and Xiaomi Redmi K40S.

What warranty is provided?

The battery comes with a 180 Days (6 Months) Replacement Warranty.

Should the battery be installed by a professional?

Yes. Professional installation by a qualified mobile technician is recommended.

What should I check before ordering?

Check your battery model number, phone model number, connector, voltage, capacity, dimensions, and compatibility before placing your order.

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