Description
Product Information
- Item Condition: Brand New
- Color: Black
- Capacity: 5000 mAh / 56 Wh
- Output Voltage (Volts): 11.1 Volts
- Number of Cells: 6 Cells
- Package Included: 1 x Battery for Dell
- Warranty: 12 Months / 30-Day Return
Compatible Part Numbers (not all):
Dell 312-0762,Dell 451-10616,Dell KM668,Dell KM742,Dell KM752,Dell KM769,Dell MT185,Dell MT187,Dell P858D,Dell PW640,Dell PW649,Dell PW651,Dell RM649,Dell RM656,Dell RM661,Dell RM668,Dell RM672,Dell T749D,Dell U116D,Dell W071D,Dell WU841,Dell WU843,Dell WU852,Dell X064D
Compatible Laptop Model Series (not all):
Dell Latitude E5400,Dell Latitude E5410,Dell Latitude E5500,Dell Latitude E5510
56Wh KM742 6-Cell Battery for Dell Latitude E5400 & E5500
Restore the professional mobility of your Latitude workstation with the KM742 (56Wh) high-capacity replacement battery. Specifically engineered for the Dell Latitude E5400, E5410, E5500, and E5510, this 6-cell lithium-ion battery provides 5000mAh of consistent power. It is the definitive choice for maintaining the legacy of these durable business machines.
Technical Specifications
| Part Number | KM742 / KM668 / MT187 / PW640 / RM661 / WU841 |
| Voltage | 11.1 Volts (Fully compatible with 10.8V) |
| Capacity | 5000 mAh / 56 Wh |
| Cell Configuration | 6-Cell High-Density Li-ion |
| Condition | Brand New |
| Warranty | 12 Months / 30-Day Return |
Verified Device Compatibility
This battery is a precision fit for the following Latitude Series:
- Latitude E5400
- Latitude E5410
- Latitude E5500
- Latitude E5510
- Fits Part: KM752, RM668, PW651
- Fits Part: U116D, MT185, WU852
Why Choose the KM742 Replacement?
- Tool-Free Installation: External latch design allows you to swap batteries in seconds. Perfect for road warriors who carry spare power.
- Proven Stability: 6-cell architecture provides a steady discharge curve, ensuring your system doesn’t shut down under heavy CPU loads.
- Smart Safety Chips: Features integrated protection against over-charging, over-discharging, and overheating to maximize battery life.
- Seamless BIOS Sync: Fully compatible with Dell SupportAssist and system health checks for accurate remaining life tracking.
Frequently Asked Questions
Q: Will this battery fit my Latitude E6400 or E6500?
A: No. Although the model names are similar, the E5400 series uses a different battery shape than the E6400 series. Please check your original part number before purchasing.
Q: My old battery was 10.8V. Is this 11.1V version safe?
A: Yes. 10.8V and 11.1V are cross-compatible. They simply represent minor differences in the voltage rating of the lithium cells and will work perfectly in your device.
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