Lenovo 5B10W51818 replacement laptop battery for ThinkPad X13 Gen 2
Lenovo 5B10W51818 Battery for ThinkPad X13 Gen 2 Original price was: $121.99.Current price is: $60.99.
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Lenovo 5B10W67367 replacement laptop battery for V155-15API
Lenovo 5B10W67367 Battery for V155-15API Original price was: $143.99.Current price is: $71.99.

Lenovo 5B10W51873 Battery for ThinkBook 13S G2

SKU: LN-873

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

Lenovo 5B10W51873 direct replacement battery for compatible models.

  • 🔋 Voltage: 15.4V · Capacity: 56.0Wh / 3636mAh · Type: Li-ion
  • 🔄 Replaces: 5B10W51873, 5B10Z37617, 5B10Z37621
  • 💻 Fits: Lenovo ThinkBook 13S G2, ThinkBook 13S, ThinkBook 14S
  • Fast & Free Shipping
  • Money-Back Guarantee
  • 12 Months Warranty
  • Safe and Secure SSL Checkout

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Description

Built to replace the original Lenovo 5B10W51873, this new battery fits select ThinkBook 13S G2 laptops with factory-matched specifications. The 5B10W51873 replacement works with ThinkBook 13S G2, ThinkBook 13S, and ThinkBook 14S laptop families. Compatible with multiple part numbers including 5B10Z37617, 5B10Z37621, L19C4PDD, L19D4PDD, and L19M4PDD, this battery provides broad compatibility across supported models. Cross-reference compatibility extends to additional part numbers like SB10W51974, SB10Z37616, and 5B10Z37618, ensuring proper fitment for your specific laptop configuration. The 5B10W51873 delivers reliable power restoration for compatible Lenovo ThinkBook systems.

This direct-fit replacement delivers 15.4 volts and 56.0Wh capacity with 3636mAh rating using lithium-ion chemistry. Samsung cells provide dependable performance that matches the correct voltage requirements of your laptop. The 5B10W51873 equivalent maintains the same electrical specifications as the original battery, ensuring seamless integration with your ThinkBook’s power management system.

Typical runtime ranges from 5 to 7 hours depending on your usage patterns and system configuration. Use this replacement battery to restore the full runtime of your laptop. The 5B10W51873 replacement allows you to work, browse, and compute without being tethered to a power outlet, returning your ThinkBook to its original mobile productivity potential.


Technical Specifications

Voltage 15.4V
Capacity 56.0Wh / 3636mAh
Chemistry Li-ion
Part Number 5B10W51873
Brand Lenovo Compatible

Key Features

  • High-capacity 56.0Wh design for extended runtime
  • Direct-fit replacement matching original voltage and capacity
  • Premium lithium-ion cells for consistent performance

Compatible Part Numbers

5B10W51873
5B10Z37617
5B10Z37621
L19C4PDD
L19D4PDD
L19M4PDD
SB10W51974
SB10Z37616
SB10Z37617
5B10Z37618
SB10Z37619


Compatible Laptop Models

ThinkBook 13S Gen 2 ITL
ThinkBook 14S Gen 2 ITL
ThinkBook 14s Gen 3 ITL

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
Voltage15.4V
BrandLenovo Compatible
Capacity56.0Wh / 3636mAh
Part Number5B10W51873
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Shipping FAQ

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:

  1. Check around your home — porch, mailbox, garage, or any safe drop-off spots.
  2. Ask neighbors or household members in case someone accepted the package.
  3. 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.

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