Original Mi Redmi 8A (MZB8458IN, M1908C3KG, M1908C3KH) Battery BN51 – 5000mAh

The Redmi 8A Battery BN51 is a high-capacity 5000mAh Li-Ion Polymer replacement battery designed for Xiaomi Redmi 8A smartphones. It is also listed as compatible with selected Xiaomi Redmi 8 models. With approximately 3.85V voltage and a listed charging time of 2 to 3 hours, this replacement battery is designed to provide dependable power for everyday smartphone use.

If your Redmi 8A battery drains quickly, does not hold a charge, or requires frequent charging, replacing the worn battery with a compatible BN51 5000mAh battery can help restore reliable battery performance. This battery comes with a 90-day warranty and is supplied in loose packing.

Redmi 8A Battery BN51 – Features

Compatible Models

The BN51 5000mAh battery is listed as compatible with the following Xiaomi models:

Xiaomi Redmi 8

• Redmi 8 – M1908C3IC
• Redmi 8 – MZB8255IN
• Redmi 8 – M1908C3IG
• Redmi 8 – M1908C3IH

Xiaomi Redmi 8A

• Redmi 8A – MZB8458IN
• Redmi 8A – M1908C3KG
• Redmi 8A – M1908C3KH

Important: Please verify your phone’s exact model number and existing battery model BN51 before ordering.

Why Replace Your Redmi 8A Battery?

An aging or worn smartphone battery can cause several common problems:

• Battery drains faster than before
• Phone requires frequent charging
• Battery percentage drops unexpectedly
• Phone switches off despite showing battery remaining
• Battery does not hold a charge properly
• Reduced battery backup during everyday use
• Smartphone performance is affected by poor battery condition

Replacing a worn battery with a compatible Redmi 8A BN51 battery can help restore dependable power for regular smartphone use.

Original Mi BN51 Replacement Battery for Redmi 8A

The BN51 5000mAh battery is designed to provide replacement power for compatible Xiaomi Redmi 8 and Redmi 8A smartphones.

With a 5000mAh capacity, this battery is suitable for everyday activities such as calling, messaging, web browsing, social media, video playback, and other normal mobile tasks.

The battery uses Li-Ion Polymer technology and has a listed voltage of approximately 3.85V.

Important Installation Information

The Redmi 8A uses an internal battery, so careful installation is important.

• Professional installation is recommended.
• Switch off the phone before starting the replacement.
• Use appropriate tools for battery replacement.
• Do not bend, puncture, crush, or damage the battery.
• Do not expose the battery to excessive heat.
• Check the battery connector before installation.
• Do not force the battery or connector into place.
• Follow proper battery installation procedures.

Incorrect installation can damage the battery or smartphone.

Warranty Information

This Redmi 8A Battery BN51 comes with a 90-day warranty against applicable manufacturing defects under normal usage conditions.

Warranty Does Not Cover

• Physical damage
• Punctured, bent, or swollen batteries
• Damage caused by improper installation
• Water or liquid damage
• Short circuit caused by incorrect handling
• Damage caused by modification or misuse
• Normal battery wear and capacity degradation

Battery Safety Guidelines

For safe handling and installation:

• Keep the battery away from fire and excessive heat.
• Do not puncture, crush, or disassemble the battery.
• Do not short-circuit the battery terminals.
• Keep the battery away from children.
• Do not install or use a visibly damaged or swollen battery.
• Handle the battery carefully during installation.
• Dispose of the old battery through appropriate battery-recycling channels.

Before Ordering

1. Confirm that your phone is Xiaomi Redmi 8 or Redmi 8A.
2. Check the exact model number printed on your device.
3. For Redmi 8A, verify MZB8458IN, M1908C3KG, or M1908C3KH.
4. Confirm that your existing battery model is BN51, where possible.
5. Check the required battery capacity: 5000mAh.
6. Review the compatibility information before placing your order.
7. Professional installation is recommended.

Frequently Asked Questions

Q1. Which phones are compatible with the BN51 battery?

The supplied compatibility information lists Xiaomi Redmi 8 models M1908C3IC, MZB8255IN, M1908C3IG, and M1908C3IH, along with Redmi 8A models MZB8458IN, M1908C3KG, and M1908C3KH.

Q2. What is the capacity of the Redmi 8A BN51 battery?

The Redmi 8A BN51 battery has a capacity of 5000mAh.

Q3. What type of battery is BN51?

The BN51 is specified as a Li-Ion Polymer battery.

Q4. What is the voltage of the BN51 battery?

The listed voltage is approximately 3.85V.

Q5. How long does the BN51 battery take to charge?

The listed charging time is approximately 2 to 3 hours. Actual charging time can vary depending on the phone, charger, charging conditions, and battery condition.

Q6. What warranty is provided with this battery?

This battery comes with a 90-day warranty.

Q7. How is the battery packaged?

The battery is supplied in loose packing.

Q8. Is this a removable battery?

The Redmi 8A uses an internal battery, so battery replacement generally requires opening the phone. Professional installation is recommended.

Q9. What should I check before buying?

Check your phone’s exact model number and confirm the battery model BN51 before ordering to ensure compatibility.

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Related Xiaomi / Redmi Batteries

Looking for another genuine Xiaomi or Redmi battery replacement? Explore these related Redmi battery models with different capacities for compatible smartphones. Before ordering, always compare your phone model, existing battery model number, and battery specifications to ensure compatibility.

• Redmi A3x Battery BN5R – 5000mAh Original Replacement
  BN5R replacement battery for compatible Redmi A3x smartphones, designed to provide dependable power and reliable everyday battery performance.
  https://batteryhub.online/redmi-a3x-battery-bn5r-5000mah-original/
• Redmi Note 4 Battery BN43 – 4100mAh Original Replacement
  BN43 replacement battery for compatible Redmi Note 4 smartphones, offering reliable replacement power and dependable battery backup for everyday use.
  https://batteryhub.online/redmi-note-4-battery-bn43-4100mah-original/
• Redmi Note 3 Pro Battery BM46 – 4050mAh Original Replacement
  BM46 replacement battery for compatible Redmi Note 3 Pro smartphones, designed to deliver dependable power and reliable battery performance.
  https://batteryhub.online/redmi-note-3-pro-battery-bm46-4050mah-original/

Compatibility Notice: Before placing your order, verify your Xiaomi/Redmi phone model, battery model/code, capacity, and battery specifications to ensure the replacement battery is compatible with your device.