Battery for Lenovo L19C4PD1 L19M4PD1 L19L4PD1 C640-13IML, 11.55V 45Wh, Compatible with Yoga C640-13IML Series, 12-Month Warranty

**Product Overview**
Upgrade or replace your aging Lenovo Yoga C640-13IML battery with this premium 45Wh replacement. Designed to meet or exceed OEM specifications, this battery restores your laptops mobility and performance perfect for work, study, or travel.

** Voltage Warning**
Please verify your original batterys voltage before ordering. This battery is rated at ** 11.55V **. Using an incorrect voltage (e. g., 7.6V or 15.2V ) may cause damage to your device or battery. If your original battery shows a different voltage, please search for the correct model.

**Compatible Models & Part Numbers**
| Laptop Series | Compatible Models |
|---------------|-------------------|
| Lenovo Yoga C640-13IML | C640-13IML-81UE, C640-13IML-81UF, C640-13IML-81UG |
| Replacement Part Numbers | L19C4PD1, L19M4PD1, L19L4PD1, L19C4PD1 |

**Specifications**
- Battery Type: Li-ion
- Voltage: 11.55V
- Capacity: 45Wh / 3950mAh
- Cells: 4-cell
- Color: Black
- Weight: Approx. 220g
- Dimensions: 270 x 80 x 5.5 mm (may vary slightly)

**Comparison Table**
| Feature | Our Replacement | Generic Low-Cost Battery |
|---------|----------------|--------------------------|
| Capacity | 45Wh (genuine-grade) | Often 30-38Wh (underrated) |
| Voltage Accuracy | 11.55V ± 0.1V | May drift ± 0.5V |
| Safety Certifications | CE, FCC, RoHS | Often uncertified |
| Warranty | 12 months | 3-6 months |
| Cell Quality | Grade A cells | Unknown recycled cells |

**Installation Tips**

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

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

3. Locate the old battery and gently disconnect its cable from the motherboard.

4. Remove the screws holding the battery (if any) and lift it out.

5. Insert the new battery, reconnect the cable, and replace the cover.

6. Charge the battery to 100% before first use for optimal calibration.

**Important Notes**
- If your laptop does not detect the battery after installation, try
a hard reset: unplug AC, remove battery, hold power button for 30 seconds, then reinstall.
- For best lifespan, avoid draining the battery below 20% regularly.
- This battery is not compatible with Yoga C640-13IKB or other 7.6V models.

**Package Includes**
1 x Replacement Battery (L19C4PD1 / L19M4PD1 / L19L4PD1)

1 x Installation Guide

**Warranty & Support**
We stand behind our product with a 12-month warranty against defects. If you have any issues, contact us for a quick replacement or refund. Your satisfaction is our priority.