14.4V 57Wh L17M3P72 L17L3P71 Battery for Lenovo ThinkPad T480S, 01AV478 Compatible, High Capacity Li-ion Laptop Battery with 2-Year Warranty

**Product Overview**
Upgrade or replace your aging laptop battery with this high-performance 14.4V 57Wh Li-ion battery, specifically designed for the Lenovo ThinkPad T480S. Whether your original battery no longer holds a charge, drains quickly, or causes unexpected shutdowns, this replacement restores your laptops portability and productivity.

**Important Voltage Warning**
Please verify that your laptop requires a ** 14.4V ** battery. Using an incorrect voltage (e. g., 11.4V or 15.2V ) may cause charging failure, system instability, or permanent damage to your device. This battery is NOT compatible with standard 11.4V ThinkPad models.

**Compatible Models & Part Numbers**
- **Replaces OEM Part Numbers: **
L17M3P72, L17L3P71, 01AV478, L17C3P71, L17C3P72, SB10K97585, SB10K97586
- **Compatible Laptop Model: **
Lenovo ThinkPad T480S (all configurations)

**Battery Specifications**

| Specification |

Details

|
|: --- |: --- |
| Battery Type | Li-ion (Built-in / Internal) |
| Voltage | 14.4V |
| Capacity | 57Wh / 3950mAh |
| Cells | 4-cell |
| Color | Black |
| Weight | Approx. 250g |
| Warranty | 2 Years |

**Comparison Table: Original vs. Replacement**

| Feature | Original Lenovo Battery | Our Replacement Battery |
|: --- |: --- |: --- |
| Voltage | 14.4V | 14.4V (Exact Match) |
| Capacity | 57Wh | 57Wh (Equal Performance) |
| Safety Certifications | CE, FCC | CE, FCC, RoHS |
| Price | High | Affordable |
| Warranty | 1 Year | 2 Years |

**Installation Tips**
- This is an **internal (built-in) battery**. Installation requires opening the laptop bottom case.
- **Power off** your laptop and disconnect the AC adapter before installation.
- Use a plastic pry tool to carefully remove the bottom cover.
- Disconnect the old battery cable, remove screws, and replace with the new battery.
- Reassemble and charge the battery fully before first use for optimal calibration.
- If you are not experienced with internal repairs, please consult a professional technician.

**Package Includes**
- 1 x 14.4V 57Wh Replacement Battery
-
- 1 x Installation Guide

**Quality & Safety**
Every battery undergoes rigorous testing for voltage stability, capacity accuracy, and safety protection. We use Grade A cells to ensure long cycle life and reliable performance.

**Customer Support**
If you have any questions about compatibility or installation, feel free to contact us. We are here to help you get back to work or play without interruption.

**Order with confidence your ThinkPad T480S will thank you! **