Lenovo 5B10W51820 replacement laptop battery for ThinkPad X13 Gen 2
Lenovo 5B10W51820 Battery for ThinkPad X13 Gen 2 Original price was: $121.99.Current price is: $60.99.
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Lenovo 5B10W51854 replacement laptop battery for ThinkPad X13 Gen 2
Lenovo 5B10W51854 Battery for ThinkPad X13 Gen 2 Original price was: $121.99.Current price is: $60.99.

Lenovo 5B10W51855 Battery for ThinkPad X13 Gen 2

SKU: LN-1855

Original price was: $121.99.Current price is: $60.99.

Direct-fit Lenovo 5B10W51855 replacement battery for select laptop models.

  • ๐Ÿ”‹ Voltage: 15.3V ยท Capacity: 54.0Wh / 3529mAh
  • ๐Ÿ”„ Replaces: 5B10W51855, 5B10W51817, 5B10W51818
  • ๐Ÿ’ป Fits: Lenovo ThinkPad X13 Gen 2, ThinkPad X13 Gen
  • Fast & Free Shipping
  • Money-Back Guarantee
  • 12 Months Warranty
  • Safe and Secure SSL Checkout

Payment Methods:

Description

Upgrade your Lenovo laptop with a new 5B10W51855 battery, designed to fit ThinkPad X13 Gen 2 and compatible models. This direct replacement battery works with ThinkPad X13 Gen 2, ThinkPad X13 Gen, and other supported laptop model families. The 5B10W51855 is also compatible with alternate part numbers including 5B10W51817, 5B10W51818, 5B10W51819, L20C4P73, L20D4P73, and L20M4P73. Whether you need to replace part number 5B10W51855 or cross-reference with 5B10W51820 or 5B10W51854, this battery provides the correct specifications for your Lenovo system.

This direct-fit replacement delivers 15.3V at 54.0Wh capacity with 3529mAh power storage using Samsung lithium-ion cells. The 5B10W51855 maintains the correct voltage and capacity specifications required by your laptop’s charging system. The Samsung cells provide reliable energy storage and discharge characteristics that match your original battery’s performance profile.

Typical usage provides an estimated 4-6 hours of runtime depending on your laptop’s power consumption and usage patterns. This replacement is the correct fit when the original battery reaches the end of its useful life. The 5B10W51855 restores portable productivity for business users and students who rely on their ThinkPad systems throughout the day.


Technical Specifications

Voltage 15.3V
Capacity 54.0Wh / 3529mAh
Part Number 5B10W51855
Brand Lenovo Compatible

Key Features

  • High-capacity 54.0Wh design for extended runtime
  • Direct-fit replacement matching original voltage and capacity
  • Premium lithium-ion cells for consistent performance

Compatible Part Numbers

5B10W51855
5B10W51817
5B10W51818
5B10W51819
5B10W51820
5B10W51854
L20C4P73
L20D4P73
L20L4P73
L20M4P73
SB10W51921
SB10W51955
SB10W51956


Compatible Laptop Models

ThinkPad X13 Gen 2
ThinkPad X13 Gen 3

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
Voltage15.3V
BrandLenovo Compatible
Capacity54.0Wh / 3529mAh
Part Number5B10W51855
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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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