Asus C21PQ9H Battery for VivoBook X556UR
Original price was: $111.99.$55.99Current price is: $55.99.
Replacement Asus C21PQ9H battery for select Asus laptops.
- 🔋 Voltage: 7.6V · Capacity: 38.0Wh / 5000mAh · Type: 4-Cell Li-ion
- 🔄 Replaces: C21PQ9H, C21N1509
- 💻 Fits: Asus VivoBook X 556UR
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This is a new Asus C21PQ9H replacement battery for VivoBook X 556UR and compatible Asus laptop models. The C21PQ9H is designed to restore power and mobility to your portable computer when the original battery can no longer maintain adequate charge levels. This replacement works with VivoBook X 556UR systems and cross-references with alternate part numbers including C21N1509. Whether you need to replace a worn-out power source or want a backup battery for extended computing sessions, the C21PQ9H delivers reliable performance for your Asus laptop. Installation is straightforward and provides the same power delivery as your original battery component.
This direct-fit replacement battery operates at the correct voltage of 7.6V and provides 38.0Wh of energy capacity with 5000mAh rating. The C21PQ9H features premium lithium-ion cells in a 4-cell configuration that matches your laptop’s power requirements perfectly. The lithium-ion chemistry ensures stable power delivery and maintains consistent performance throughout each charge cycle, providing equivalent functionality to your original battery.
With typical runtime of 3-5 hours depending on your usage patterns and system configuration, this C21PQ9H replacement supports productive computing sessions away from wall outlets. It is an ideal replacement when your original battery no longer holds a full charge. The battery enables you to work, browse, and use applications without being tethered to power adapters.
Technical Specifications
| Voltage | 7.6V |
| Capacity | 38.0Wh / 5000mAh |
| Cells | 4-cell Li-ion |
| Part Number | C21PQ9H |
| Brand | Asus Compatible |
Compatible Part Numbers
Compatible Laptop Models
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.
| Voltage | 7.6V |
|---|---|
| Brand | Asus Compatible |
| Capacity | 38.0Wh / 5000mAh |
| Part Number | C21PQ9H |
At USA Batteries, we are committed to providing fast, free, and reliable shipping on every order. Below, you’ll find detailed information about our shipping process, delivery timelines, carriers, and what to do if your order experiences an issue.
🚚 What is the cost of shipping?
Shipping is completely free on all orders — no minimum purchase requirements, no hidden fees, and no surprise charges at checkout. We believe in transparent pricing so you can shop with confidence.
📬 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.
⏱️ How long does shipping take?
- Standard USPS Delivery: Most items arrive within 3–5 business days after leaving our warehouse.
- Order Processing: Orders are typically processed and shipped within 24 business hours of purchase.
- Delays: 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 we’ll do our best to assist.
⚡ 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 2–3 business days for most U.S. locations.
If you need a faster delivery option, reach out to us at cs@usabatteries.com, and we’ll check if a special arrangement can be made.
🌎 Do you ship internationally?
At this time, we only ship within the United States. We do not offer international delivery options.
📮 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.
🔍 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.
📦 Lost or Missing Packages
If your tracking number shows “Delivered” but you haven’t received your package:
- Check around your home — porch, mailbox, garage, or any safe drop-off spots.
- Ask neighbors or household members in case someone accepted the package.
- Wait 24 hours — USPS sometimes scans items as delivered before arrival.
If your package is still missing after these steps:
- Contact your local USPS office. USPS can provide GPS delivery confirmation to determine where your package was left.
- Contact us at cs@usabatteries.com or via 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.
✅ 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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