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Vivo Y31 5G Battery V2521 – Powerful 6500mAh Original
Original price was: ₹ 1,595.00.₹ 1,195.00Current price is: ₹ 1,195.00.
Description
100% Original Vivo Y31 5G V2521 (2025 Edition) Battery BB21 – 6500mAh
Vivo Y31 5G Battery BB21 is a high-capacity 6500mAh replacement battery designed for the Vivo Y31 5G (V2521, 2025 Edition) smartphone. This Original Vivo BB21 Battery is intended to replace an old, weak, or damaged battery and comes with a 180 Days (6 Months) Replacement Warranty from the date of purchase.
If your phone battery drains quickly, shuts down unexpectedly, takes too long to charge, or no longer provides the backup it once did, replacing the battery can help restore reliable everyday performance.
| Features | Vivo Battery |
|---|---|
| Brand | Vivo |
| Model | BB21 |
| Main Features | High-capacity replacement battery |
| Battery Type | Li-Ion Polymer |
| Charging Time | Approximately 1–2 Hours |
| Battery Capacity | 6500mAh |
| Voltage in Volts (Approx.) | 3.85V |
| Dimensions | Verify with supplier |
| Weight (Approx.) | 55.5g |
| Features | Rechargeable lithium-ion polymer battery |
| Description | Constantly on the move, never run out of power with this extra high-capacity spare Lithium-Ion battery. Always keep an extra battery for the times when one battery just will not do. |
| Compatibility | For Vivo Y31 5G (V2521) Mobile |
| Warranty | 180 Days (06 Months) |
| Contains | Loose Packing |
| Country of Origin | China |
Compatible Models
This battery is listed for the following Vivo smartphone:
Vivo Y31 Series
- Vivo Y31 5G (V2521, 2025 Edition)
Before purchasing, verify the battery model number BB21, phone model V2521, connector type, physical dimensions, and specifications to ensure compatibility.
Why Replace Your Vivo Y31 5G Battery?
Over time, smartphone batteries naturally lose their ability to hold a full charge. Replacing an aging battery can help improve battery backup and restore reliable daily performance.
Common signs that your battery may need replacement include:
- Battery percentage dropping quickly
- Frequent charging throughout the day
- Unexpected phone shutdowns
- Reduced battery backup
- Overheating during use or charging
- Slow charging performance
The Vivo BB21 Battery has a rated capacity of 6500mAh, offering high-capacity power for everyday smartphone use when compatible with your device.
Genuine Vivo Replacement Battery
This Vivo BB21 Replacement Battery is listed in loose packaging and is intended for the Vivo Y31 5G (V2521).
Please verify the battery’s authenticity with the supplier before purchasing. Compare the battery model number, connector type, physical dimensions, voltage, and specifications with your existing battery before installation.
Important Installation Information
Important: Battery replacement should be performed by a qualified mobile repair technician. Improper installation can damage the battery or smartphone and may void warranty coverage.
Warranty Information
This Vivo BB21 Battery comes with a listed 180 Days (6 Months) Replacement Warranty from the date of purchase, subject to the applicable warranty terms and conditions.
The warranty covers eligible manufacturing defects and battery performance issues, subject to inspection and verification.
Warranty Does Not Cover
- Physical damage
- Improper installation
- Damage during installation
- Water or liquid damage
- Misuse or abuse
- Swelling caused by improper handling
- Bulging
- Accidental damage
- Damage caused by incompatible devices
- Tampering or modification
All warranty claims are subject to verification and the applicable warranty terms.
Battery Safety Guidelines
Lithium-ion polymer batteries should always be handled carefully.
- Do not puncture, bend, or crush the battery.
- Do not expose the battery to excessive heat.
- Avoid short-circuiting the battery terminals.
- Do not attempt to modify the battery.
- Use only compatible chargers and accessories.
- If the battery appears swollen or damaged, do not install or use it.
Professional installation is strongly recommended.
Before Ordering
Please follow these simple steps before placing your order:
- Switch off your smartphone.
- Have the device inspected by a qualified technician.
- Check the battery model number printed on the existing battery.
- Confirm that the battery code is BB21.
- Confirm that your phone model is Vivo Y31 5G (V2521).
- Compare the connector and physical dimensions.
- Verify the battery voltage and capacity.
- Confirm the warranty terms before ordering.
- Arrange installation through a professional technician.
Checking the battery model before ordering helps ensure compatibility and reduces the risk of purchasing an incorrect replacement battery.
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 Vivo Y31 5G battery?
This product is listed as a Vivo BB21 replacement battery. Please verify its authenticity with the supplier before purchasing.
What is the battery capacity?
The supplied specifications list a capacity of 6500mAh.
Which phone is compatible with this battery?
This battery is listed for the Vivo Y31 5G (V2521, 2025 Edition). Verify the BB21 battery code and connector compatibility before purchasing.
Does the battery come with a warranty?
Yes. It is listed with a 180 Days (6 Months) Replacement Warranty, subject to the applicable warranty terms.
What is the battery voltage?
The supplied specifications list approximately 3.85V.
How long does the battery take to charge?
The supplied specifications list a charging time of approximately 1–2 hours. Actual charging time depends on the device, charger, and usage conditions.
Is professional installation recommended?
Yes. Professional installation is recommended to avoid accidental damage and ensure proper battery replacement.
What should I check before ordering?
Verify the battery model BB21, phone model V2521, connector type, dimensions, voltage, capacity, and warranty details before purchasing.
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Related Vivo Batteries
Looking for another genuine Vivo battery replacement? Explore these related Vivo battery models, available in different capacities and designed for compatible Vivo smartphones. Before ordering, always compare your phone model and existing battery model number with the product specifications.
- Vivo T4 Lite 5G Battery BB16 – Original Replacement
The BB16 replacement battery is designed for compatible Vivo T4 Lite 5G smartphones, providing dependable power and reliable everyday battery performance.
https://batteryhub.online/product/vivo-t4-lite-5g-battery-bb16/ - Vivo X200 FE Battery BB13 – Original Replacement
The BB13 replacement battery is designed for compatible Vivo X200 FE devices, offering dependable power for everyday smartphone use.
https://batteryhub.online/product/vivo-x200-fe-battery-bb13-powerful-original-replacement/ - Vivo V23 5G Battery B-T3 – 4200mAh Original Replacement
A B-T3 replacement battery for compatible Vivo V23 5G smartphones, designed to support reliable daily use and consistent battery backup.
https://batteryhub.online/product/vivo-v23-5g-battery/
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