Battery for ASUS UX4000F UX481F UX481FA UX481FL C41N1901 11.55V 50Wh Li-ion Laptop Battery [2-Year Warranty]

**Product Overview**
This high-performance replacement battery is specifically designed for ASUS ZenBook UX4000F, UX481F, UX481FA, and UX481FL laptops. It replaces the original C41N1901 battery and provides the same reliable power output as the factory part. Whether you need to replace an aging battery or keep a spare for travel, this unit ensures your laptop stays productive throughout the day.

**Important Voltage Warning**
Please confirm your original battery voltage before purchasing. This battery is 11.55V. Using an incorrect voltage may cause charging failure or damage to your laptop. If your original battery shows a different voltage (e. g., 7.6V or 15.2V ), this product will not be compatible.

**Compatible Laptop Models (including but not limited to): **
- ASUS ZenBook UX4000F
- ASUS ZenBook UX481F
- ASUS ZenBook UX481FA
- ASUS ZenBook UX481FL

**Replaces Original Part Number: **
C41N1901

**Specifications Table**

| Parameter | Value |
|--------------------|----------------------|
| Battery Type | Li-ion |
| Voltage | 11.55V |
| Capacity | 50Wh / 4350mAh |
| Cell Count | 4 cells |
| Color | Black |
| Warranty | 2 Years |

**Comparison Table Original vs Replacement**

| Feature | Original ASUS Battery | Our Replacement Battery |
|--------------------|-----------------------|-------------------------|
| Voltage | 11.55V | 11.55V |
| Capacity | 50Wh | 50Wh |
| Compatibility | OEM only | Full OEM match |
| Safety Protection | Standard | Enhanced (6-layer chip) |
| Price | High | Affordable |
| Warranty | 1 year | 2 years |

**Installation Tips**
1. Power off your laptop and disconnect the AC adapter.
2. Remove the bottom panel screws (refer to your laptops service manual).
3. Disconnect the old battery cable from the motherboard.
4. Remove the old battery and insert the new one.
5. Reconnect the cable, replace the panel, and tighten screws.
6. Charge the battery fully before first use for optimal performance.

**Package Includes**
- 1 x Replacement Laptop Battery

- 1 x Installation Guide

**Customer Support**
If you have any questions about compatibility or installation, please contact us. We are here to help within 24 hours.