High Quality 11.4V 4255mAh/51Wh DELL 266J9 Battery For Dell G3 15 3590 15PR-1648BR 15PR-1742BR 15PR-1745W

Do you want to buy a cheap DELL 266J9 Compatible battery? We offer you a cheap DELL 266J9 Compatible battery - an incredibly high quality Compatible battery! All DELL 266J9 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!

✔ Battery for 266J9 Ships to Singapore

Product Overview

This battery is suitable as a replacement battery for Dell G3 15 3590 15PR-1648BR 15PR-1742BR 15PR-1745W battery and DELL 266J9 model.

High capacity DELL 266J9 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 4255mAh/51Wh for extended device runtime.
• Stable 11.4V 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	266J9
Battery Condition	Brand New Replacement Battery
Item Code	DEL19D792
Category	Laptop Batteries
Brand	DELL
Capacity	4255mAh/51Wh
Voltage	11.4V
Type	Li-ion polymer
Color	Black
Applies to	Dell G3 15 3590 15PR-1648BR 15PR-1742BR 15PR-1745W
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:

• 266J9

Compatible Models：

Dell G3 15 3590 Ins 15PR-1545W 1548BR 1645W 1648BR 1742BR 1742W 1748BR
Charge limit voltage: 13.2V

* 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