Description
Product Overview
This genuine Dell 3V806 51Wh battery provides reliable power replacement for your Dell laptop. Manufactured to meet original equipment specifications.
Specifications
- Capacity: 51Wh
- Voltage: 11.4V
- Chemistry: Lithium-Ion
- Condition: Brand New
- Part Number: 3V806
Compatibility Information
Part Numbers (P/N)
- 3V806
- T0FWM
- 02P9KD
- 2P9KD
Compatible Models
- Dell Alienware 13 R1
- Dell Alienware 13 R2
When to Replace Your Battery
| Situation | Description |
|---|---|
| Short Battery Life | Laptop powers off quickly when unplugged, lasting less than 1 hour |
| Battery Not Charging | Battery percentage doesn’t increase when connected to power adapter |
| Swelling/Bulging | Battery appears physically swollen or causes case deformation |
| System Warnings | Operating system displays “Replace Battery” or similar alerts |
| Age Indicator | Battery is over 2-3 years old with noticeable performance decline |
| Random Shutdowns | Computer turns off unexpectedly even with charge remaining |
Important Compatibility Note
The part numbers and compatible models listed represent our most common verified matches. Many additional compatible part numbers and models exist. 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.
Service & Support
- Same business day shipping
- 30-day money back guarantee
- 1-year manufacturer warranty
- In stock, ready to ship
- Free shipping included
- Brand new genuine product
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