High Quality 11.1V 48Wh DELL 8858X Battery For Dell Inspiron 15 7520 5520 5720 7720 451-11695 T54FJ

Do you want to buy a cheap DELL 8858X Compatible battery? We offer you a cheap DELL 8858X Compatible battery - an incredibly high quality Compatible battery! All DELL 8858X are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!

✔ Battery for 8858X Ships to Singapore

Product Overview

This battery is suitable as a replacement battery for Dell Inspiron 15 7520 5520 5720 7720 451-11695 T54FJ battery and DELL 8858X model.

High capacity DELL 8858X battery for longer standby time.

The battery is professionally tested to ensure the best lifespan.

1 year warranty, 30 days money back, 100% brand new!

Battery capacity (mAh/A/W) may be different; the more mAh/A/W it displays, the higher its autonomy.

Safety certified CE / FCC / RoHS.

Key Features

• High‑capacity design with 48Wh for extended device runtime.
• Stable 11.1V output ensures consistent performance during daily use.
• Built with high‑quality lithium‑ion cells for improved durability and long cycle life.
• Advanced protection system including overcharge, over‑discharge, overheat, and short‑circuit safeguards.
• Optimized for reliable performance in warm and humid environments.
• Lightweight and compact design for easy installation and device compatibility.

Technical Specifications

Model	8858X
Battery Condition	Brand New Replacement Battery
Item Code	DEL21JL1208
Category	Laptop Batteries
Brand	DELL
Capacity	48Wh
Voltage	11.1V
Type	Li-ion
Color	Black
Applies to	Dell Inspiron 15 7520 5520 5720 7720 451-11695 T54FJ
Certification	Passed CE, UL, ROHS, ISO 9001/9002 and GS certification
Service	Buy now, we promise a one-year warranty and 30-day returns

Compatible Models

Replacement Part Numbers:

• 8858X

Compatible Models：

For Dell Latitude E5520 E6420 E6430 E6520 E6530 E6540 Series
For Dell Inspiron 15 7520 5520 5720 7720 451-11695 T54FJ

* Please make sure that the replacement battery you are buying is suitable for your device brand and model.

Battery Care & Maintenance

• Store the battery in a cool, dry environment to maintain long‑term performance.
• Avoid exposing the battery to excessive heat or direct sunlight, especially in warm and humid climates.
• Use compatible DELL chargers or certified charging accessories to ensure safe and efficient charging.
• Avoid frequent full discharges; partial charge cycles help extend overall battery lifespan.
• If the battery will not be used for an extended period, keep it at around 40–60% charge before storage.
• Clean the battery contacts periodically with a dry cloth to maintain stable power delivery.
• Do not puncture, crush, or expose the battery to water or high humidity.

Frequently Asked Questions