Infinix Smart 4 Battery BL-39LX – 4000mAh
Infinix Smart 4 Battery BL-39LX is a 4000mAh Li-Ion Polymer replacement battery designed for compatible Infinix smartphones. This battery is suitable for replacing an old, weak, or damaged battery in compatible devices.
With a 4000mAh capacity, approximately 3.85V voltage, and an estimated 2–3 hour charging time, the BL-39LX battery is designed according to the specifications provided below.
Product Specifications
| Feature | Details |
|---|---|
| Brand | Infinix |
| Battery Model | BL-39LX |
| Battery Type | Li-Ion Polymer |
| Battery Capacity | 4000mAh |
| Voltage | Approx. 3.85V |
| Charging Time | Approx. 2–3 Hours |
| Weight | Approx. 55.5g |
| Packing | Loose Packing |
| Warranty | 90 Days (3 Months) |
| Country of Origin | China |
Compatible Models
The Infinix Smart 4 Battery BL-39LX is compatible with:
- Infinix S5 – X652
- Infinix Smart 4 – X653
- Infinix S5 Lite – 652B / X652C
Please verify your exact phone model and existing battery model before ordering.
Why Replace Your Infinix Smart 4 Battery?
An aging smartphone battery can gradually lose its ability to hold a charge. Replacing an old battery with a compatible Infinix Smart 4 Battery can help restore normal battery performance when the existing battery has become weak or unreliable.
You may need a battery replacement if your phone:
- Drains battery quickly
- Requires frequent charging
- Does not hold charge properly
- Shuts down unexpectedly
- Provides reduced battery backup
- Has inconsistent charging performance
Common Signs of Battery Failure
Common signs that your battery may need replacement include:
- Fast battery drain
- Frequent charging
- Unexpected phone shutdowns
- Battery percentage dropping quickly
- Reduced battery backup
- Battery not holding charge
- Charging-related battery problems
Original Infinix Smart 4 Replacement Battery
The Infinix Smart 4 Battery BL-39LX is designed for the compatible Infinix models listed above.
Key specifications include:
- 4000mAh capacity
- Approx. 3.85V voltage
- Li-Ion Polymer battery type
- Approx. 2–3 hour charging time
- Approx. 55.5g weight
Important Installation Information
Battery replacement should be performed by a qualified mobile technician.
- Switch off the phone before installation.
- Use suitable tools and proper installation procedures.
- Do not bend, puncture, crush, or damage the battery.
- Do not short-circuit the battery terminals.
- Keep the battery away from excessive heat and moisture.
- Do not install a battery that appears damaged or swollen.
Warranty Information
The Infinix Smart 4 Battery BL-39LX comes with a 90-day (3-month) warranty against manufacturing-related defects under normal usage.
Warranty does not cover:
- Physical damage
- Punctured, bent, or crushed batteries
- Incorrect installation
- Water or liquid damage
- Burn or overheating damage caused by misuse
- Unauthorized modification
- Normal battery wear and capacity degradation
Battery Safety Guidelines
- Keep the battery away from fire and excessive heat.
- Do not puncture, crush, or disassemble the battery.
- Do not short-circuit the battery terminals.
- Do not use a damaged or swollen battery.
- Keep the battery away from children and pets.
- Dispose of old batteries through appropriate battery-recycling facilities.
Before Ordering
Before purchasing the Infinix Smart 4 Battery BL-39LX, please verify:
- Your exact smartphone model.
- The battery model printed on your existing battery.
- Battery connector and physical compatibility.
- Battery capacity and voltage.
- Compatibility with the model numbers listed above.
Please verify compatibility before installation.
Customer Support
Email: customercare@batterywala.online
Call / WhatsApp: 9222088888 / 9029545429
Support Hours: 11:00 AM – 8:00 PM
Sunday: Closed
Frequently Asked Questions
1. What is the battery model for Infinix Smart 4?
The battery model is BL-39LX.
2. What is the capacity of the Infinix Smart 4 Battery?
The Infinix Smart 4 Battery BL-39LX has a capacity of 4000mAh.
3. Is BL-39LX compatible with Infinix Smart 4 X653?
Yes. Infinix Smart 4 X653 is listed as a compatible model.
4. Is this battery compatible with Infinix S5?
Yes. Infinix S5 X652 is listed as compatible.
5. Is this battery compatible with Infinix S5 Lite?
Yes. Infinix S5 Lite 652B and X652C are listed as compatible.
6. What is the voltage of the BL-39LX battery?
The approximate voltage is 3.85V.
7. What is the charging time?
The approximate charging time is 2 to 3 hours, depending on the phone and charging conditions.
8. What warranty is provided?
The battery comes with a 90-day (3-month) warranty.
9. Does the battery come in box packing?
No. The battery comes in loose packing.
10. Where is this battery manufactured?
The country of origin is China.
- Infinix Smart 4 Battery
- Infinix Smart 4 X653 Battery
- Infinix BL-39LX Battery
- BL-39LX 4000mAh Battery
- Infinix S5 Battery
- Infinix S5 X652 Battery
- Infinix S5 Lite Battery
- Infinix S5 Lite 652B Battery
- Infinix S5 Lite X652C Battery
- Infinix 4000mAh Battery
- Infinix Smart 4 Replacement Battery
- Infinix Mobile Battery Replacement
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