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Dell 8858X Battery for Inspiron 14R, 15R and 17R Series

319 in stock

SKU: DL-8858X

Original price was: $141.99.Current price is: $70.99.

Replacement battery for Dell Inspiron 15R, 14R and 17R series laptops.

  • ๐Ÿ”‹ Voltage: 11.1V ยท Capacity: 65Wh / 5225mAh ยท Type: 6-Cell Li-ion
  • ๐Ÿ”„ Replaces: 04NW9, 1C9FH, 2P2MJ, 312-1163, 312-1311, 4KFGD, 4YRJH, 71R31, 8858X, 8P3YX โ€” view the complete list in the description below

319 in stock

  • Fast & Free Shipping
  • Money-Back Guarantee
  • 12 Months Warranty
  • Safe and Secure SSL Checkout

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Description

The Dell 8858X replacement battery is specifically designed for the popular Inspiron 15R (5520) laptop, delivering reliable power with its 11.1V and 65Wh capacity. This 6-Cell Li-ion battery also provides seamless compatibility with Inspiron 14R (5420), Inspiron 17R (5720), and Latitude E5420 models. Whether your current battery has lost its ability to hold a charge or you need a backup power source, this battery restores your laptop’s mobility and productivity. The 5225mAh capacity ensures dependable performance for work, entertainment, and everyday computing tasks.


Technical Specifications

Brand Dell Compatible
Voltage 11.1V
Capacity (Wh) 65Wh
Capacity (mAh) 5225mAh
Cells 6-Cell
Chemistry Li-ion
Colour Black
Warranty 1 Year

Key Features

  • Extended 6-cell design delivers higher capacity for demanding workloads
  • 65.0Wh capacity provides extended runtime for productivity and travel
  • Li-ion cells with built-in protection circuitry for safe charging

Compatible Part Numbers

04NW9
1C9FH
2P2MJ
312-1163
312-1311
4KFGD
4YRJH
71R31
8858X
8P3YX
911MD
DHT0W
HTX4D
K4CP5
KJ321
M1Y7N
M5Y0X
MKD62
N3X1D
P8TC7
P9TJ0
PRV1Y
R48V
R48V3
RU485
T54F3
T54FJ
T54SJ
UJ499
X57F1
YKF0M

Compatible Laptop Models

Dell Inspiron Series

Dell Inspiron 14R (5420)
Dell Inspiron 15R (5520)
Dell Inspiron 15R (7520)
Dell Inspiron 17R (5720)
Dell Inspiron 17R (7720)

Dell Latitude Series

Dell Latitude E5420
Dell Latitude E5420m
Dell Latitude E5520
Dell Latitude E5520m
Dell Latitude E6420
Dell Latitude E6420n
Dell Latitude E6520
Dell Latitude E6520n

Dell Vostro Series

Dell Vostro 3460
Dell Vostro 356

Other Compatible Models

7569 7579 3480 7472 7368 7378

Additional models may be supported. Contact cs@usabatteries.com to check compatibility.

โš ๏ธ Safety Notice: Lithium batteries can cause fire or injury if misused. Do not leave on charge unattended or overnight. Avoid exposure to heat or water, and discontinue use if the battery swells or leaks.
Additional information
Voltage11.1V
Capacity65Wh
Cells6-Cell
ChemistryLi-ion
Compatible Part Numbers04NW9, 1C9FH, 2P2MJ, 312-1163, 312-1311, 4KFGD, 4YRJH, 71R31, 8858X, 8P3YX, 911MD, DHT0W, HTX4D, K4CP5, KJ321, M1Y7N, M5Y0X, MKD62, N3X1D, P8TC7, P9TJ0, PRV1Y, R48V, R48V3, RU485, T54F3, T54FJ, T54SJ, UJ499, X57F1, YKF0M
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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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