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- Specifications
- Brand: Dell
- Technology : Li-ion
- Voltage : 11.4V
- Capacity : 4878mAh
- Compatible part numbers: 66DWX
- Compatible model number: for Dell Latitude 7340 7440 7640
NOTE: Please verify your device’s model number to ensure that this part is compatible.
Designed to restore reliable performance and extend your device’s lifespan, this replacement part is essential for tackling battery issues and maintaining seamless functionality.
Dell Latitude 7340 7440 7640 Battery Features
Upgrade your Dell Latitude 7340 7440 7640 with a replacement our powerful new battery that enhances performance and extends the life of your valuable device in your pocket-friendly price.
Fully Tested: Each battery undergoes thorough quality checks before dispatch for you location. This ensures that you get a reliable, tested High quality product that meets the highest standards.
Dell Latitude 7340 7440 7640 Battery (66DWX)
Dell Latitude 7340 7440 7640 battery replacement 66DWX with a capacity of 4878mAh is one of the main components of a Laptop . If you have problems with Dell Latitude 7340 7440 7640 not charging, does not turn on, or it is discharging quickly, this replacement part will help you. Battery malfunction and service life can depend on many factors: charging cycles, age, temperature changes, so it is usually recommended to replace it every 2-3 years when its capacity drops to 80% or less.
When do I need to replace the battery?
If you frequently experience unexpected shutdowns and / or battery life has significantly shortened.
What is battery charging cycles?
The reliability of lithium-ion/li-polymer batteries depends on the specifics of its use. Battery life is measured in charging cycles. One cycle is a cycle from full battery discharge (down to 0%) to full charge (up to 100%).
The battery can operate for approximately 500 full charge cycles, and exceeding the manufacturer's specified number of cycles can cause the battery to malfunction, usually its capacity is reduced and then the device discharges faster and needs to be recharged more often.
Recommendation: To prolong the life of the battery, you should try to start charging the battery from 15-25% and charge it up to 80%.
Step-by-Step Battery Replacement Guide
Power Down Your Device: Turn off your Dell Latitude 7340 7440 7640 to ensure a safe battery replacement process.
Remove the Back Cover: Utilize the provided tools to carefully remove the back cover of your device.
Disconnect the Old Battery: Gently detach the old battery, ensuring not to damage any other components in the process.
Install the New Battery: Connect the new Mobile Battery for Dell Latitude 7340 7440 7640 66DWX to the designated slot, securing it in place.
Reassemble Your Device: Reattach the back cover, power up your device, and relish the enhanced performance with the new battery.
Optimize Battery Settings: Once your Dell Latitude 7340 7440 7640 is powered up, navigate to your device settings and optimize the battery settings for improved performance and longevity.
Calibrate the Battery: To ensure accurate battery percentage readings, use your Laptop until it reaches 0%, then charge it to 100%. This calibration ensures more accurate readings in the future.
Frequently Asked Questions
Q: What are the common issues of a worn-out Dell Latitude 7340 7440 7640 battery?
When the charging/discharging cycles are over, the battery performance reduces significantly, and you’ve to replace it. Below are the most common issues when you need a Dell Latitude 7340 7440 7640 battery replacement :
The battery drains much faster and goes down to low levels very swiftly.
Due to prolonged use, the battery is swelled or puffed up.
The battery works up to 50%, and the phone automatically switches off.
The battery is bulging, and the display is protruding outwards.
The charging percentage goes up and down without doing anything.
These are the most common issues that warrant an urgent replacement.
Q: How can I check the battery’s health myself?
Please navigate to the Settings--> Battery section of your phone. There, you can see all the vital details of the battery. You’ll also see a nice graph showing the battery consumption details. You can see which apps are eating up the resources, and this information allows you to manage the battery more efficiently.
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