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Asus C21N1638 Battery for VivoBook 14 X442U Original price was: $121.99.Current price is: $60.99.
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Asus C21N1401 Battery for X455

SKU: AS-C21N140

Original price was: $109.99.Current price is: $54.99.

New replacement battery for Asus laptops using the C21N1401 part number.

  • ๐Ÿ”‹ Voltage: 7.6V ยท Capacity: 37.0Wh / 4868mAh ยท Type: 2-Cell Li-ion
  • ๐Ÿ”„ Replaces: C21N1401, C21NI401, C21IN401
  • ๐Ÿ’ป Fits: Asus Asus X455, A 455L, X455
  • Fast & Free Shipping
  • Money-Back Guarantee
  • 12 Months Warranty
  • Safe and Secure SSL Checkout

Payment Methods:

Description

Upgrade your Asus laptop with a new C21N1401 battery, designed to fit Asus X455 and compatible models. This replacement C21N1401 battery is engineered for seamless compatibility with multiple Asus laptop families including X455, A 455L, X455LA, and X455LF models. The battery matches alternate part numbers C21NI401, C21IN401, PP21AT149Q-1, X455, and X455L, ensuring broad compatibility across the Asus X455 series. Whether you own an Asus X455, A 455L, or related model, this direct replacement battery restores reliable portable power to keep your laptop running throughout your workday.

This C21N1401 replacement delivers the correct voltage of 7.6V with a capacity of 37.0Wh and 4868mAh through its 2-cell lithium-ion design. Built with premium Samsung cells, this direct-fit battery provides equivalent performance to your original power source. The lithium-ion chemistry ensures consistent power delivery and maintains stable voltage output during operation, supporting reliable performance across all compatible Asus laptop models.

Typical runtime ranges from 3 to 5 hours depending on your usage patterns and system configuration. It is an ideal replacement when your original battery no longer holds a full charge. This C21N1401 battery restores the portable freedom your Asus laptop was designed to provide, enabling productive work sessions away from power outlets.


Technical Specifications

Voltage 7.6V
Capacity 37.0Wh / 4868mAh
Cells 2-cell Li-ion
Part Number C21N1401
Brand Asus Compatible

Compatible Part Numbers

C21N1401
C21NI401
C21IN401
PP21AT149Q-1
X455
X455L
X455LF


Compatible Laptop Models

A455l
X455
X455LA
X455LA-1A
X455LA-1B
X455LA-3C
X455LA-3D
X455LA-3E
X455LA-3F
X455LA-3G
X455LA-3H
X455LA-4030U
X455LA-7K
X455LA-7L
X455LA-7M
X455LA-7N
X455LA-MS51
X455LA-N4030U
X455LA-WX002D
X455LA-WX005H
X455LA-WX040H
X455LA-WX047D
X455LA-WX053D
X455LA-WX053H

Compatible with the models, series, and devices listed above; however, this is
not a complete compatibility list, and additional unlisted models may also be
supported. If your device is not shown, please email us at cs@usabatteries.com
for compatibility confirmation.

Additional information
Voltage7.6V
BrandAsus Compatible
Capacity37.0Wh / 4868mAh
Part NumberC21N1401
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Shipping FAQ

At USA Batteries, we are committed to providing fast, free, and reliable shipping on every order. Below, youโ€™ll find detailed information about our shipping process, delivery timelines, carriers, and what to do if your order experiences an issue.


๐Ÿšš What is the cost of shipping?

Shipping is completely free on all orders โ€” no minimum purchase requirements, no hidden fees, and no surprise charges at checkout. We believe in transparent pricing so you can shop with confidence.


๐Ÿ“ฌ Which shipping carriers do we use?

Most orders are shipped via USPS (United States Postal Service), which provides fast and affordable nationwide delivery. For large, heavy, or bulk orders, we may use FedEx or UPS to ensure safe and efficient handling.

Please Note: Some oversized products or wholesale shipments may require alternative carriers based on size, weight, or destination.


โฑ๏ธ How long does shipping take?

  • Standard USPS Delivery:ย Most items arrive withinย 3โ€“5 business daysย after leaving our warehouse.
  • Order Processing:ย Orders are typically processed and shipped withinย 24 business hoursย of purchase.
  • Delays:ย Shipping times may be longer during weekends, public holidays, or severe weather conditions.

If your order is time-sensitive, please contact us before purchasing, and weโ€™ll do our best to assist.


โšก Do you offer expedited shipping?

Currently, we do not offer paid expedited shipping options. However, many of our USPS shipments use Priority Mail, which generally arrives within 2โ€“3 business days for most U.S. locations.

If you need a faster delivery option, reach out to us at cs@usabatteries.com, and weโ€™ll check if a special arrangement can be made.


๐ŸŒŽ Do you ship internationally?

At this time, we only ship within the United States. We do not offer international delivery options.


๐Ÿ“ฎ Can you deliver to PO Boxes?

Yes! We gladly deliver to PO Boxes, as USPS handles most of our shipments.
If your order requires FedEx or UPS (usually for larger packages), we may contact you for a physical street address.


๐Ÿ” How can I track my order?

You will receive an email with a tracking number as soon as your order ships.
You can also check your order status anytime on our Track Your Order page.


๐Ÿ“ฆ Lost or Missing Packages

If your tracking number shows โ€œDeliveredโ€ but you havenโ€™t received your package:

  1. Check around your homeย โ€” porch, mailbox, garage, or any safe drop-off spots.
  2. Ask neighbors or household membersย in case someone accepted the package.
  3. Wait 24 hoursย โ€” USPS sometimes scans items as delivered before arrival.

If your package is still missing after these steps:

  • Contact yourย local USPS office. USPS can provideย GPS delivery confirmationย to determine where your package was left.
  • Contact us atย cs@usabatteries.comย or viaย Live Chat. We will assist you in opening an investigation and help retrieve GPS scan data if necessary.

Insurance Claims: All USPS shipments are insured. Any claims for lost or damaged packages must be filed with USPS. We will guide you through the process to ensure a resolution.


โœ… Our Commitment

Your satisfaction is our priority. If you experience any shipping issues, we will work closely with USPS or the relevant carrier to resolve the situation promptly and ensure your order reaches you safely.

The USABatteries.com Guarantee

Your satisfaction is our priority. Every battery from USABatteries.com is rigorously tested and backed by a comprehensive 1-Year Warranty. We are so confident in our quality that we offer a Risk-Free 30-Day Money-Back Guarantee: if you aren't completely happy within the first month, we will cover the return shipping costs ourselves. Quality power, zero risk.

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