Original Infinix Hot 4 (X557) / Hot 4 Pro (X556, X5511) Battery BL-39AX – 4000mAh

Replace your old or weak battery with the Original Infinix Hot 4 Battery BL-39AX 4000mAh, designed for compatible Infinix Hot 4 and Hot 4 Pro models. This Li-Ion Polymer replacement battery offers a 4000mAh capacity and is suitable as a replacement for worn-out batteries.

Product Specifications

Compatible Models

This Infinix Hot 4 Battery BL-39AX is compatible with:

• Infinix Hot 4 – X557
• Infinix Hot 4 Pro – X556
• Infinix Hot 4 Pro – X5511

Before ordering, carefully check your phone’s exact model number and the battery model printed on your existing battery.

Why Replace Your Infinix Hot 4 Battery?

An aging smartphone battery may cause:

• Fast battery drain
• Shorter usage time
• Unexpected phone shutdowns
• Battery percentage dropping quickly
• Longer charging requirements
• Difficulty keeping the phone powered throughout the day

Replacing the old battery with a compatible BL-39AX 4000mAh battery can help restore dependable battery performance.

Genuine Infinix BL-39AX Replacement Battery

The BL-39AX is a Li-Ion Polymer battery with a 4000mAh capacity and approximately 3.8V voltage. It is designed as a replacement battery for compatible Infinix Hot 4 and Hot 4 Pro models.

The battery is supplied in loose packing and comes with a 06 Months Warranty.

Important Installation Information

Battery replacement requires proper handling and installation. If you are not experienced with smartphone repairs, we recommend having the battery installed by a qualified technician.

Avoid bending, puncturing, crushing, or damaging the battery during installation.

Warranty Information

This Infinix BL-39AX Battery comes with a 06 Months Warranty.

The warranty covers eligible manufacturing-related issues under the applicable warranty terms.

Warranty Does Not Cover

• Physical or accidental damage
• Swelling caused by misuse or improper installation
• Punctures, dents, or bending
• Water or liquid damage
• Damage caused by incorrect installation
• Burn marks or short-circuit damage
• Normal battery wear and capacity reduction

Battery Safety Guidelines

• Keep the battery away from excessive heat.
• Do not puncture or bend the battery.
• Do not expose it to water or moisture.
• Use a compatible charger and charging setup.
• Do not attempt to repair a damaged or swollen battery.
• Keep damaged batteries away from children and dispose of them through appropriate battery-recycling channels.

Before Ordering

Please verify:

1. Your phone model number.
2. The battery model BL-39AX.
3. The battery connector and physical design.
4. The compatibility information listed above.

If you are unsure about compatibility, contact our support team before placing your order.

Support

For product and order assistance:

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

Frequently Asked Questions

1. Which phones use the Infinix BL-39AX battery?

The BL-39AX battery is listed as compatible with Infinix Hot 4 X557 and Infinix Hot 4 Pro X556 / X5511.

2. What is the capacity of the BL-39AX battery?

The battery has a rated capacity of 4000mAh.

3. What type of battery is this?

It is a Li-Ion Polymer battery with an approximate voltage of 3.8V.

4. How long does the battery take to charge?

The listed charging time is approximately 3 to 4 hours, depending on the phone, charger, and charging conditions.

5. What warranty is provided?

This battery comes with a 06 Months Warranty.

6. Should I install the battery myself?

Professional installation is recommended if you do not have experience opening and repairing smartphones.

• Infinix Hot 4 Battery
• Infinix Hot 4 Battery BL-39AX
• Infinix Hot 4 X557 Battery
• Infinix Hot 4 Pro Battery
• Infinix Hot 4 Pro X556 Battery
• Infinix Hot 4 Pro X5511 Battery
• BL-39AX Battery
• Infinix BL-39AX 4000mAh Battery
• Infinix 4000mAh Battery
• Infinix Hot 4 Replacement Battery

• Related Infinix Batteries

  Looking for another genuine Infinix battery replacement? Explore these related Infinix battery models, available in different capacities and designed for compatible Infinix smartphones. Before ordering, always compare your phone model and existing battery model number with the product specifications.

  • Original Infinix Hot S (X521) Battery BL-30QX – 3000mAh
    The BL-30QX battery is designed for compatible Infinix Hot S X521 smartphones, providing dependable power and reliable battery performance for everyday use.
    View Infinix Hot S X521 BL-30QX Battery
  • Original Infinix Smart 2 Pro Battery BL-30VX – 3050mAh
    This BL-30VX replacement battery is designed for compatible Infinix Smart 2 Pro smartphones, offering reliable power and stable battery performance for everyday use.
    View Infinix Smart 2 Pro BL-30VX Battery
  • Original Infinix Hot 4 Pro (X556 / X5511) Battery BL-39AX – 4000mAh
    The BL-39AX battery is designed for compatible Infinix Hot 4 Pro X556 and X5511 smartphones, providing dependable replacement power and extended battery backup.
    View Infinix Hot 4 Pro BL-39AX Battery