Description
Product Overview
This Dell 266J9 51Wh battery is a genuine replacement power source designed specifically for compatible Dell laptops. It delivers reliable performance with optimal capacity retention.
Specifications
- Voltage: 11.4V
- Capacity: 51Wh
- Chemistry: Lithium-Ion
- Condition: Brand New
Compatible Part Numbers (P/N)
- Dell 0266J9
- Dell 0M4GWP
- Dell M4GWP
- Dell OM4GWP
- Dell-266J9-51Wh
Compatible Models
- Dell G3 15 (3500)
- Dell G3 15 (3590)
- Dell G5 15 (5500)
- Dell G5 15 (5500-G7617)
- Dell G5 15 (5500-ND60C)
- Dell G5 15 (5500-R8K5D)
- Dell G5 15 (5500-RVHTJ)
- Dell G5 15 SE (5505)
- Dell Inspiron 14 (5490)
- Dell Inspiron 14 (5490-6C55V)
- Dell Inspiron 14 (5490-71GFK)
- Dell Inspiron 14 (5490-740M5)
- Dell Inspiron 14 (5490-8446)
- Dell Inspiron 14 (5490-H23JG)
- Dell Inspiron 14 (5490-M2RXW)
When to Replace Your Battery
| Situation | Description |
|---|---|
| Short Battery Life | Laptop powers off quickly even after full charge |
| Swelling/Bulging | Battery appears physically deformed or swollen |
| Not Holding Charge | Battery drains rapidly when unplugged |
| Charging Issues | Battery won’t charge fully or charges intermittently |
| System Warnings | Laptop displays “Consider replacing your battery” alerts |
| Overheating | Battery gets unusually hot during use or charging |
| Age Factor | Battery is over 2-3 years old with reduced performance |
Compatibility Note
This battery is compatible with additional Dell models and part numbers beyond those listed. If you’re unsure about compatibility, please leave your specific laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
Shipping & Warranty
- Ships within 1 business day
- 30-day money back guarantee
- 1-year manufacturer warranty
- In stock, ready to ship
- Free shipping included
- 100% brand new product




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