Battery for Lenovo L19L4PF1 L19C3PF5, Compatible with Xiaoxin Air-15ARE 15IIL 2020 2021, 11.55V 45Wh, High Capacity, 1-Year Warranty

Revive Your Lenovo Xiaoxin Air-15 Laptop with a Reliable Replacement Battery

Is your Lenovo Xiaoxin Air-15 2020 or 2021 laptop struggling to hold a charge? Does the battery drain quickly even after a full charge, or does your system suddenly shut down when unplugged? This high-performance replacement battery (45Wh, 11.55V ) is the perfect solution to restore your laptops mobility and productivity.

Important Voltage Warning: Please confirm your original battery voltage is 11.55V before purchasing. Using an incorrect voltage battery may cause system instability or damage. This battery is NOT compatible with 7.6V or 14.4V models.

Compatible Laptop Models (Please verify your laptop model number before ordering):
- Lenovo Xiaoxin Air-15ARE 2020
- Lenovo Xiaoxin Air-15IIL 2020
- Lenovo Xiaoxin Air-15ARE 2021
- Lenovo Xiaoxin Air-15IIL 2021

Replaces Original Battery Part Numbers:
- L19L4PF1
- L19C3PF5
- L19M4PF1
- L19D4PF1

Product

Specifications

:
- Battery Type: Lithium-ion (Li-ion)
- Voltage: 11.55V
- Capacity: 45Wh / 3900mAh
- Cells: 4-cell
- Color: Black
- Connector: 6-pin (exact fit for listed models)
- Weight: Approx. 250g
- Dimensions: 270 x 70 x 5mm (approx. )

Comparison Table: New Battery vs. Old/Degraded Battery
| Feature | Our Replacement Battery | Old/Original Battery (After 2+ years) |
|---------|------------------------|---------------------------------------|
| Capacity | 45Wh (100% rated) | Often drops to 30-40Wh (70-80% degradation) |
| Charge Cycles | 500+ cycles | Typically 200-300 cycles used |
| Run Time (Light Use) | 6-8 hours | 2-4 hours |
| Safety Protection | Overcharge, over-discharge, short-circuit | May lack updated protection |
| Warranty | 1 Year | Expired |

Installation Tips:

1. Power off your laptop and disconnect the AC adapter.

2. Remove the back cover (use a plastic pry tool to avoid damage).

3. Locate the battery connector and gently disconnect the old battery cable.

4. Remove the screws holding the old battery in place.

5. Insert the new battery, secure with screws, and reconnect the cable.

6. Replace the back cover, plug in the charger, and let the battery charge to 100% before first use.

7. For optimal lifespan, avoid draining the battery below 10% regularly.

Note: If your laptop does not power on after installation, try
a hard reset: disconnect the battery, hold the power button for 15 seconds, then reconnect and try again.

This battery is a high-quality aftermarket replacement, not an OEM product. It is designed to meet or exceed original specifications, offering reliable performance at an affordable price. Order now to bring your Lenovo Xiaoxin Air-15 back to life!