Product Overview
The 266J9 is a high-performance 51Wh Li-ion replacement battery designed for Dell G3 15 (3500/3590), G5 15 (5500/5505), and Inspiron 14 5490 series laptops. It replaces original part numbers including 266J9, M4GWP, and PN1VN with a precise factory fit. Built with Grade-A cells to restore dependable mobile runtime and power stability for gaming and daily productivity. Ships 100% brand new with a 1-year warranty.
Technical Specifications
| Standard Model | 266J9 / M4GWP / PN1VN |
|---|---|
| Capacity | 51Wh / 4473mAh |
| Voltage | 11.4V |
| Battery Type | Li-ion Polymer |
| Condition | 100% Brand New Replacement |
| Warranty | 1 Year |
Replace Part Numbers
- 266J9
- M4GWP
- PN1VN
- 0M4GWP
- 0PN1VN
Compatible Laptop Models
- Dell G3 15 3590 Series
- Dell G3 15 3500 Series
- Dell G5 15 5500 Series
- Dell G5 15 5505 (P89F)
- Dell Inspiron 14 5490 Series
FAQ
Q: Does my laptop use the 51Wh (266J9) or the 68Wh (MV07R) version?
A: These series can ship with either battery size. The 51Wh (266J9) is a 3-cell battery, while the 68Wh is a 4-cell pack. Please verify the part number on your original battery before purchase.
Q: Why is it important to match the voltage?
A: Dell systems are sensitive to voltage regulation. Our 266J9 is matched to original 11.4V specifications to ensure proper BMS communication and prevent "Battery Not Recognized" errors.