Description
Product Overview
This is a genuine Dell 7W5X0 40Wh replacement battery, designed for specific Dell laptop models. It is a brand new product with a one-year warranty, shipped from stock within one business day. Free shipping and a 30-day refund policy are included.
Key Specifications
- Part Number: 7W5X0
- Voltage: 11.1V
- Capacity: 40Wh
- Chemistry: Li-ion
Compatibility Information
This battery is compatible with the following part numbers and laptop models. Please verify your original battery part number or laptop model before ordering.
Compatible Part Numbers (P/N)
- 093G7X
- 312-1007
- 451-11355
- 451-11767
- 50TKN
- 7W5X0
- 7W5X09C
- 93G7X
- GRNX5
- KCN1P
- NF52T
Compatible Laptop Models (Model)
- Vostro 3300
- Vostro 3300-9629
- Vostro 3350 (e.g., V3350345H)
Note: The list of compatible part numbers and models is not exhaustive. If you are unsure about compatibility, please leave your specific laptop model or the part number from your original battery in the order notes during checkout, and we will verify it for you.
When to Replace Your Laptop Battery
Consider replacing your battery if you notice any of the following signs. This table outlines common scenarios indicating a battery may need replacement.
| Symptom | Description |
|---|---|
| Short Run Time | The laptop powers off unexpectedly or the battery drains significantly faster than it used to, even after a full charge. |
| Battery Won’t Charge | The battery does not charge when connected to the AC adapter, or the charging indicator flashes abnormally. |
| Swelling/Bulging | The battery pack appears physically swollen or deformed. This is a safety hazard and requires immediate replacement. |
| System Errors | The operating system or BIOS reports a battery error, such as “Battery not detected” or “Consider replacing your battery.” |
| Age | If the battery is over 2-3 years old and performance has noticeably degraded, it is likely nearing the end of its service life. |
Estimated Battery Life
The following table provides conservative estimates of battery runtime for a laptop with this 40Wh battery under different usage scenarios. Actual results will vary.
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Office Apps | 2 – 3 hours |
| Video Playback | 1.5 – 2.5 hours |
| Light Gaming | 1 – 1.5 hours |
| Idle / Minimum Power | 3 – 4 hours |
Important Note: A new replacement battery used with an older laptop will not provide the same runtime as when the laptop was brand new. Over time, system software updates, hardware wear, and background processes can increase overall power consumption, leading to reduced battery life compared to the original performance.
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