Lenovo 42T4702 replacement laptop battery for ThinkPad W510
Lenovo 42T4702 Battery for ThinkPad W510 Original price was: $117.99.Current price is: $58.99.
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Lenovo EDGEE520 replacement laptop battery for ThinkPad Edge E520
Lenovo EDGEE520 Battery Original price was: $117.99.Current price is: $58.99.

Lenovo EDGEE420 Battery

SKU: LN-EDGEE420

Original price was: $117.99.Current price is: $58.99.

Lenovo EDGEE420 direct replacement battery for compatible models.

  • ๐Ÿ”‹ Voltage: 10.8V ยท Capacity: 43.2Wh / 4000mAh ยท Type: 6-Cell Li-ion
  • ๐Ÿ”„ Replaces: EDGEE420, 42T4702, 42T4703
  • ๐Ÿ’ป Fits: Lenovo ThinkPad Edge E420
  • Fast & Free Shipping
  • Money-Back Guarantee
  • 12 Months Warranty
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Description

Keep your Lenovo ThinkPad Edge E420 notebook powered with this new EDGEE420 replacement battery, a direct fit for select models. This EDGEE420 battery is engineered to work seamlessly with ThinkPad Edge E420 laptop model families, delivering reliable power for daily computing tasks. The replacement battery is compatible with multiple part numbers including 42T4702, 42T4703, 42T4704, 42T4706, 42T4708, 42T4709, 42T4731, 42T4732, 42T4733, and 42T4734, ensuring broad compatibility across supported systems. Whether you need to replace an aging power source or want a backup battery for extended mobile use, this EDGEE420 offers the correct voltage and capacity specifications your Lenovo notebook requires.

This direct-fit EDGEE420 replacement battery delivers 10.8V output with 43.2Wh capacity and 4000mAh rating through its 6-cell lithium-ion configuration. Built with premium lithium-ion cells, the battery provides the equivalent power output and correct voltage specifications as your original battery. The Li-ion chemistry ensures consistent performance and reliable power delivery for your ThinkPad system.

Expect approximately 3-5 hours of typical runtime with this EDGEE420 battery, depending on your usage patterns and system configuration. This is the recommended replacement when your original battery needs replacing. The battery enables mobile productivity whether you are working from different locations, attending meetings, or traveling with your ThinkPad notebook.


Technical Specifications

Voltage 10.8V
Capacity 43.2Wh / 4000mAh
Cells 6-cell Li-ion
Part Number EDGEE420
Brand Lenovo Compatible

Key Features

  • High-capacity 43.2Wh 6-cell design for extended runtime
  • Direct-fit replacement matching original voltage and capacity
  • Premium lithium-ion cells for consistent performance

Compatible Part Numbers

EDGEE420
42T4702
42T4703
42T4704
42T4706
42T4708
42T4709
42T4731
42T4732
42T4733
42T4734
42T4735
42T4736
42T4737
42T4738
42T4751
42T4752
42T4753
42T4755
42T4756
42T4757
42T4763
42T4764
42T4765
42T4766
42T4790
42T4791
42T4793
42T4795
42T4797
42T4817
42T4819
51J0498
51J0499
51J0500
57Y4185


Compatible Laptop Models

ThinkPad Edge E420

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
Voltage10.8V
BrandLenovo Compatible
Capacity43.2Wh / 4000mAh
Part NumberEDGEE420
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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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