Original Mi Redmi 8 (M1908C3IC, MZB8255IN, M1908C3IG) Battery BN51 – 5000mAh

The Redmi 8 Battery BN51 is a 5000mAh Li-Ion Polymer replacement battery designed for Xiaomi Redmi 8 smartphones. It is also listed as compatible with selected Xiaomi Redmi 8A models. This BN51 replacement battery provides a suitable power solution when your original battery has degraded, drains quickly, or no longer holds a charge effectively.

With approximately 3.85V voltage, a listed charging time of 2 to 3 hours, and a weight of approximately 55.5g, this replacement battery is designed for everyday smartphone use. It comes with a 90-day warranty and is supplied in loose packing.

Redmi 8 Battery BN51 – Features

Compatible Models

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

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 8 Battery?

An aging or damaged smartphone battery may result in:

• Fast battery drain
• Frequent charging requirements
• Unexpected battery percentage drops
• Sudden phone shutdowns
• Reduced battery backup
• Battery failing to hold a charge
• Poor battery performance during everyday use

Replacing an old battery with a compatible Redmi 8 BN51 battery can help restore dependable power for regular smartphone usage.

Original Mi BN51 Replacement Battery for Redmi 8

The BN51 5000mAh replacement battery is designed for the Xiaomi Redmi 8 and selected Redmi 8A models listed above.

Its 5000mAh capacity provides replacement power for everyday activities such as calling, messaging, web browsing, social media, video playback, and other normal smartphone functions.

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

Important Installation Information

The Redmi 8 and Redmi 8A use an internal battery design, so battery replacement should be performed carefully.

• Professional installation is recommended.
• Switch off the phone before replacing the battery.
• Use appropriate tools for battery installation.
• Do not bend, puncture, crush, or damage the battery.
• Keep the battery away from excessive heat.
• Check the battery connector before installation.
• Do not force the battery or connector.
• Follow proper battery replacement procedures.

Incorrect installation can damage the battery or smartphone.

Warranty Information

This Redmi 8 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 incorrect installation
• Water or liquid damage
• Short circuit caused by improper 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 use or install 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 smartphone is Xiaomi Redmi 8 or one of the listed Redmi 8A models.
2. Check your phone’s exact model number.
3. For Redmi 8, verify M1908C3IC, MZB8255IN, M1908C3IG, or M1908C3IH.
4. Confirm that your existing battery model is BN51, where possible.
5. Check the required capacity of 5000mAh.
6. Review all compatibility details 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, as well as Xiaomi Redmi 8A models MZB8458IN, M1908C3KG, and M1908C3KH.

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

The Redmi 8 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 may vary depending on the phone, charger, charging conditions, and battery condition.

Q6. What warranty is provided?

This Redmi 8 Battery BN51 comes with a 90-day warranty.

Q7. How is the battery packaged?

The battery is supplied in loose packing.

Q8. Is the Redmi 8 battery removable?

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

Q9. What should I check before ordering?

Verify your phone’s exact model number and confirm that the existing battery model is BN51 before placing your order.

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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.