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Laptop Battery for ASUS F580U R542U R542UR X542U V587U, C21N1634, 11.55V 38Wh, High Capacity, 12-Month Warranty
- High-Capacity 38Wh / 11.55V Li-ion battery ensures longer runtime for daily work, streaming, and browsing.
- % compatible with ASUS F580U, R542U, R542UR, X542U, V587U series and original part C21N1634.
- Built-in smart chip prevents overcharge, over-discharge, short circuit, and overheating for safe use.
- Easy plug-and-play installation with no extra drivers or software required.
- Backed by 12-month warranty and fast customer support for peace of mind.
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Overview
Specs
Reviews
**Product Overview**
This high-performance replacement battery is designed specifically for ASUS F580U, R542U, R542UR, X542U, and V587U laptop models. With a voltage of 11.55V and capacity of 38Wh, it delivers reliable power to keep your device running smoothly through work, study, or entertainment. It is a direct replacement for the original ASUS C21N1634 battery.
**Important Voltage Warning**
Please verify that your original battery voltage is 11.55V before purchasing. Using an incorrect voltage battery may cause damage to your laptop or battery. If your original battery is 14.4V or 14.8V, this product is NOT compatible.
**Compatible Models & Part Numbers**
- ASUS F580U
- ASUS R542U
- ASUS R542UR
- ASUS X542U
- ASUS V587U
- Replacement for: C21N1634
**Specifications**
| Parameter |
|-----------|---------|
| Battery Type | Li-ion |
| Voltage | 11.55V |
| Capacity | 38Wh |
| Color | Black |
| Cell Quality | Grade A+ |
| Warranty | 12 Months |
**Comparison: Original vs. Replacement**
| Feature | Original ASUS Battery | Our Replacement |
|---------|----------------------|----------------|
| Voltage | 11.55V | 11.55V |
| Capacity | 38Wh | 38Wh |
| Safety Protection | Standard | Overcharge/Over-discharge/Short circuit/Temperature protection |
| Warranty | Limited | 12 Months |
| Price | Higher | Affordable |
**Installation Tips**
1. Power off your laptop and disconnect the AC adapter.
2. Remove the back cover carefully using a suitable screwdriver.
3. Disconnect the old battery cable and remove the battery.
4. Insert the new battery, reconnect the cable, and close the cover.
5. Charge the battery fully before first use for optimal performance.
**Package Includes**
- 1x Replacement Battery for ASUS (C21N1634)
**Note**
- Please confirm your laptop model and original battery voltage before ordering.
- If you have any compatibility questions, feel free to contact us with your laptop serial number.
This high-performance replacement battery is designed specifically for ASUS F580U, R542U, R542UR, X542U, and V587U laptop models. With a voltage of 11.55V and capacity of 38Wh, it delivers reliable power to keep your device running smoothly through work, study, or entertainment. It is a direct replacement for the original ASUS C21N1634 battery.
**Important Voltage Warning**
Please verify that your original battery voltage is 11.55V before purchasing. Using an incorrect voltage battery may cause damage to your laptop or battery. If your original battery is 14.4V or 14.8V, this product is NOT compatible.
**Compatible Models & Part Numbers**
- ASUS F580U
- ASUS R542U
- ASUS R542UR
- ASUS X542U
- ASUS V587U
- Replacement for: C21N1634
**Specifications**
| Parameter |
Details
||-----------|---------|
| Battery Type | Li-ion |
| Voltage | 11.55V |
| Capacity | 38Wh |
| Color | Black |
| Cell Quality | Grade A+ |
| Warranty | 12 Months |
**Comparison: Original vs. Replacement**
| Feature | Original ASUS Battery | Our Replacement |
|---------|----------------------|----------------|
| Voltage | 11.55V | 11.55V |
| Capacity | 38Wh | 38Wh |
| Safety Protection | Standard | Overcharge/Over-discharge/Short circuit/Temperature protection |
| Warranty | Limited | 12 Months |
| Price | Higher | Affordable |
**Installation Tips**
1. Power off your laptop and disconnect the AC adapter.
2. Remove the back cover carefully using a suitable screwdriver.
3. Disconnect the old battery cable and remove the battery.
4. Insert the new battery, reconnect the cable, and close the cover.
5. Charge the battery fully before first use for optimal performance.
**Package Includes**
- 1x Replacement Battery for ASUS (C21N1634)
**Note**
- Please confirm your laptop model and original battery voltage before ordering.
- If you have any compatibility questions, feel free to contact us with your laptop serial number.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 90 days
- This item is covered by xuanlan Return Policy
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