Description
Product Overview
This Dell 2NJNF 44Wh battery is a genuine replacement part designed specifically for compatible Dell laptops. It delivers reliable power and performance for your mobile computing needs.
Specifications
- Part Number: 2NJNF
- Capacity: 44Wh
- Voltage: 11.4V
- Chemistry: Lithium-Ion
- Condition: Brand New
Compatibility Information
Part Numbers (P/N)
- 2NJNF
- 02NJNF
- 08JVDG
- 0T41M0
- 0TPMCF
- 8JVDG
- TPMCF
Models
- Dell Inspiron 14z (5423)
- Dell Inspiron 14z (5423-0780)
- Dell Inspiron 14z (5423-0797)
- Dell Inspiron 15z (5523)
- Dell Inspiron 15z (5523-0385)
- Dell Inspiron 15z (5523-5581)
- Dell Inspiron 15z (5523-5680)
When to Replace Your Battery
Consider replacing your laptop battery if you notice any of these common signs:
| Symptom | Description |
|---|---|
| Short Runtime | Battery drains quickly even after full charge |
| Swelling/Bulging | Battery case appears swollen or deformed |
| Charging Issues | Battery won’t hold charge or charges intermittently |
| System Warnings | Laptop shows “Consider replacing your battery” alerts |
| Overheating | Battery gets unusually hot during use or charging |
| Age | Battery is over 2-3 years old with reduced performance |
Estimated Battery Life
Based on 44Wh capacity with typical usage patterns:
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 3-4 hours |
| Document Editing | 4-5 hours |
| Video Streaming | 2-3 hours |
| Gaming | 1-2 hours |
| Standby/Sleep Mode | 24+ hours |
Note: These are conservative estimates. Actual battery life may vary based on your specific laptop model, age, settings, and usage patterns. New replacement batteries used with older hardware may provide shorter runtime compared to when your laptop was new due to increased power demands from aging components and modern software.
Important Compatibility Note
The compatibility list above shows the most common models and part numbers, but is not exhaustive. If you don’t see your specific model or part number listed, please leave your laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
Shipping & Warranty
- Ships within one 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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