Lenovo 42T4819 Battery for ThinkPad Edge
Original price was: $117.99.$58.99Current price is: $58.99.
New Lenovo 42T4819 replacement battery, built for compatible notebooks.
- 🔋 Voltage: 10.8V · Capacity: 56.2Wh / 5200mAh · Type: 6-Cell Li-ion
- 🔄 Replaces: 42T4819, 0578A99, 42T4235
- 💻 Fits: Lenovo Lenovo ThinkPad Edge, ThinkPad Edge E40, Lenovo ThinkPad E50
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Power your Lenovo Lenovo ThinkPad Edge laptop with this new Lenovo 42T4819 replacement battery. This 42T4819 battery is designed to work with multiple Lenovo laptop series including ThinkPad Edge, ThinkPad Edge E40, ThinkPad E50, ThinkPad L410, ThinkPad L510, ThinkPad SL410, ThinkPad SL510, and other compatible models. The battery is also compatible with alternate part numbers 42T4235, 42T4702, 42T4703, and cross-references with additional parts like 42T4706, 42T4708, and 42T4709. This direct replacement ensures proper fit and function for your Lenovo business laptop.
This 42T4819 replacement battery delivers the correct voltage of 10.8V with a substantial 56.2Wh capacity and 5200mAh rating. The 6-cell Li-ion design uses Samsung cells to provide reliable power delivery equivalent to your original battery. This direct-fit replacement maintains the same electrical specifications as the factory battery, ensuring safe and proper operation with your ThinkPad system.
With an estimated runtime of 5-7 hours under typical usage conditions, this 42T4819 battery provides extended mobility for work and productivity tasks. Use this replacement battery to restore the full runtime of your laptop. Whether you need a backup power source or a replacement for an aging battery, this reliable solution keeps your ThinkPad running efficiently throughout your workday.
Technical Specifications
| Voltage | 10.8V |
| Capacity | 56.2Wh / 5200mAh |
| Cells | 6-cell Li-ion |
| Part Number | 42T4819 |
| Brand | Lenovo Compatible |
Key Features
- High-capacity 56.2Wh 6-cell design for extended runtime
- Direct-fit replacement matching original voltage and capacity
- Premium lithium-ion cells for consistent performance
Compatible Part Numbers
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 | 10.8V |
|---|---|
| Brand | Lenovo Compatible |
| Capacity | 56.2Wh / 5200mAh |
| Part Number | 42T4819 |
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.
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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.
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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.
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✅ 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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