Description
Product Overview
This Dell YFDF9 65Wh replacement battery is engineered to match the original specifications and performance of your Dell laptop battery.
Specifications
- Capacity: 65Wh
- Voltage: 11.4V
- Chemistry: Lithium-Ion
- Condition: Brand New
Compatibility Information
Compatible Part Numbers (P/N)
- Dell 3NG29
- Dell 451-BBIY
- Dell 451-BBJB
- Dell 5MTD8
- Dell 7WV3V
- Dell H2F7D
- Dell HGJW8
- Dell JR6XC
- Dell K5NN2
- Dell W7KJC
- Dell YFOF9
- Dell YFDF9
Compatible Models
- Dell Latitude 13 (3340)
- Dell Latitude 13 (3350)
When to Consider Battery Replacement
Here are common indicators that your laptop battery may need replacement:
| Symptom | Description |
|---|---|
| Short Runtime | Battery drains quickly, lasting less than 1 hour under normal use |
| Swelling/Bulging | Battery case appears swollen or distorted |
| Charging Issues | Battery won’t charge fully or charges intermittently |
| System Warnings | Laptop displays “Consider replacing your battery” or similar messages |
| Age | Battery is over 2-3 years old with noticeable performance decline |
| Random Shutdowns | Laptop turns off unexpectedly even with charge remaining |
Estimated Battery Life by Usage
Based on 65Wh capacity with conservative estimates:
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 4-6 hours |
| Word Processing | 5-7 hours |
| Video Streaming | 3-4 hours |
| Gaming | 1.5-2.5 hours |
| Mixed Use | 4-5 hours |
| Standby/Sleep | Multiple days |
Note: New replacement batteries used with older hardware and software may provide shorter runtime compared to when your laptop was new, due to increased power demands from aging components and modern applications.
Compatibility Note
We’ve listed the most common compatible part numbers and models above, but this battery may work with additional Dell devices. 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, and we’ll verify compatibility before shipping.
Shipping & Warranty
- Ships within 1 business day
- 30-day money-back guarantee
- 1-year warranty
- In stock, ready to ship
- Free shipping
- 100% brand new product





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