Asus X556UF replacement laptop battery for VivoBook X 556UF
Asus X556UF Battery Original price was: $111.99.Current price is: $55.99.
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Acer 4ICP5/57/80 replacement laptop battery for Aspire R3-131T
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Asus X556UJ Battery

SKU: AS-X556UJ

Original price was: $111.99.Current price is: $55.99.

New Asus X556UJ replacement battery, built for compatible notebooks.

  • ๐Ÿ”‹ Voltage: 7.6V ยท Capacity: 38.0Wh / 5000mAh ยท Type: 4-Cell Li-ion
  • ๐Ÿ”„ Replaces: X556UJ, C21PQ9H, C21N1509
  • ๐Ÿ’ป Fits: Asus VivoBook X 556UJ
  • Fast & Free Shipping
  • Money-Back Guarantee
  • 12 Months Warranty
  • Safe and Secure SSL Checkout

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Description

This high-capacity X556UJ replacement battery fits select Asus VivoBook X 556UJ laptops as an equivalent direct replacement. The X556UJ battery is designed to work seamlessly with your VivoBook X 556UJ system, providing reliable power for daily computing tasks. This replacement unit is compatible with part numbers C21PQ9H and C21N1509, ensuring proper fitment across multiple laptop configurations. Whether you need a backup power source or a complete replacement for your current battery, this X556UJ unit delivers consistent performance. The battery maintains full compatibility with your laptop’s charging system and power management features, making installation straightforward for users seeking dependable portable power.

This direct-fit X556UJ battery operates at the correct voltage of 7.6V and provides 38.0Wh capacity with 5000mAh power storage. The 4-cell lithium-ion design uses premium lithium-ion cells that deliver stable power output throughout the discharge cycle. The battery chemistry ensures reliable performance while maintaining compatibility with your laptop’s existing charging protocols and thermal management systems.

During typical usage, this X556UJ battery provides an estimated 3-5 hours of runtime depending on your system configuration and power settings. This is the recommended replacement when your original battery needs replacing. The battery supports standard laptop activities including web browsing, document editing, and media playback while maintaining consistent power delivery.


Technical Specifications

Voltage 7.6V
Capacity 38.0Wh / 5000mAh
Cells 4-cell Li-ion
Part Number X556UJ
Brand Asus Compatible

Compatible Part Numbers

X556UJ
C21PQ9H
C21N1509


Compatible Laptop Models

VivoBook X556UJ-XO015T
VivoBook X556UJ

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
Capacity38.0Wh / 5000mAh
Part NumberX556UJ
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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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