Description
Product Overview
This Dell 71R31 97Wh battery is a genuine replacement part designed specifically for compatible Dell Latitude laptops. Manufactured to meet original equipment specifications, it ensures reliable performance and safety.
Specifications
- Battery Part Number: 71R31
- Capacity: 97Wh
- Voltage: 11.1V
- Chemistry: Lithium-Ion
- Condition: Brand New
Compatibility Information
Part Numbers (P/N)
- 71R31, CRT6P, GCJ485, DN1K, WT5WP, 984V6
- YC3PK, 312-1443, 312-1444, 312-1445
- P38G, P38G001, P29F, P29F001
Models
- Dell Latitude E6440
- Dell Latitude E6440 ATG
- Dell Latitude E6540
When to Consider Battery Replacement
| Situation | Description |
|---|---|
| Short Runtime | Battery drains quickly, lasting less than 1 hour under normal use |
| Charging Issues | Battery won’t charge fully or charges intermittently |
| Swelling/Bulging | Battery case appears swollen or deformed |
| Overheating | Battery becomes unusually hot during use or charging |
| System Warnings | Laptop shows “Consider replacing your battery” or similar alerts |
| Age | Battery is over 2-3 years old with noticeable performance decline |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 3-4 hours |
| Office Applications | 2.5-3.5 hours |
| Video Streaming | 2-3 hours |
| Gaming | 1-1.5 hours |
| Standby/Sleep Mode | 24+ hours |
Note: These are conservative estimates for a new battery used with older hardware. Actual runtime may be shorter than when the laptop was new due to increased power demands from software updates and natural hardware aging.
Important Compatibility Note
The compatibility list above shows the most common part numbers and models, but is not exhaustive. 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 in 1 business day
- 30-day money back guarantee
- 1-year warranty
- In stock, ready to ship
- Free shipping
- Brand new product
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