Description
Product Overview
This Dell KM742 56Wh replacement battery is designed to provide reliable power for your compatible Dell laptop. Manufactured to meet original specifications, it ensures optimal performance and safety.
Key Specifications
- Capacity: 56Wh
- Voltage: 11.1V
- Chemistry: Li-ion
- Condition: Brand new
Compatible Part Numbers (P/N)
This battery replaces the following Dell part numbers:
- 312-0762
- 451-10616
- KM668
- KM742
- KM752
- KM769
- MT185
- MT187
- P858D
- PW640
- PW649
- PW651
- RM649
- RM656
- RM661
- RM668
- RM672
- T749D
- U116D
- W071D
- WU841
- WU843
- WU852
- X064D
Compatible Models
This battery is compatible with the following Dell laptop models:
- Latitude E5400
- Latitude E5410
- Latitude E5500
- Latitude E5510
When to Consider Battery Replacement
Here are common signs indicating it’s time to replace your laptop battery:
| Symptom | Description |
|---|---|
| Short Battery Life | Battery drains quickly even after full charge, lasting significantly less than original runtime |
| Swelling/Bulging | Battery case appears swollen or distorted, potentially causing case fit issues |
| Charging Problems | Battery won’t charge fully, charges intermittently, or doesn’t hold charge |
| System Warnings | Laptop displays “Consider replacing your battery” or similar power warnings |
| Overheating | Battery becomes unusually hot during use or charging |
| Age | Battery is over 2-3 years old with noticeable performance degradation |
| Random Shutdowns | Laptop shuts down unexpectedly even with remaining charge indicated |
Compatibility Note
The compatibility list provided 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.
Purchase Benefits
- Ships within one business day
- 30-day money-back guarantee
- 1-year warranty
- In stock, ready to ship
- Brand new product
- Free shipping
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