Battery is a kind of consumable product with a limited life expectancy, normally, most manufacturers provide three months to one year warranty time for them. Dell strictly follows the industry standard to provide a one year warranty . The life of a battery depends on how you use it and whether it can be stored in a proper place. It can be significant to extend the life of Dell laptop batteries. Here are some useful tips for the Dell laptop battery maintenance.
1. When you use external power for your laptop, you don’t need to take out the battery. Why?
1) There is a chip in the motherboard to avoid over-charging. When the battery power up to 100%, the charge control chips (FET) will stop charging. No need to worry about over charging.
2) Connect the battery when using the laptop can avoid losing BIOS information.
3) To avoid sudden power outage as it can loss data.
2. To avoid exposure, moisture, liquid chemicals erosion, and avoid short-circuit occurrence.
3. The special tips for long time no used battery. If you have not used the laptop for a long period of time, should the battery be fully charged or release?
Please release the power before storage, because it will lose its activity if it is fully charged, even causes control circuit protection self-locking error or other serious problem. The most effective way of store the battery is: keep the battery in a cool and dry place with its battery power of 40%; the perfect temperature is 20. Moreover, you’d better use your laptop once a month as it will keep you battery in a good condition, and avoid electricity loose and battery damage.
4. How can I check the Dell battery’s power? How to check if it was damaged? (For example in Dell D620 battery ) Take off the battery, we can notice five lights status. Two lights on means it still have 40% power. All light on means the power is full, if light 135 on, it means battery damage.






