How to Calibrate Laptop Battery ?
If you are working on a laptop, suddenly battery drain without any warning of the low battery and you recently checked and you have 30% of the battery power. what happens?
Over time, the battery power decreases and the battery meter can not give you correct estimates of the remaining time of power. Re-battery as new, are only fables for phones and laptops. If you are taking care of your laptop battery away from behaviors that are harmful, you'll be able to keep it for as long as possible. Over time, however, their capabilities will decrease and the battery power meter will not be able to determine how long battery power takes. The battery calibration process will not give you a longer battery life, but it will give you more accurate estimates about how much time your battery power takes.
Some manufacturers recommend calibrating the battery every period and providing tools and instructions about it, while others say they are not required. You should also consider your laptop's manual or help files. However, there is no damage to the calibration process, even if the manufacturer says it is not necessary. It only takes some of your time. The calibration key is to allow the battery to discharge from 100% to almost empty, then charge it up to 100% again, which may not occur in normal use.
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How to calibrate the battery manually
- Fully charge the laptop battery 100%.
- Allow the battery to last for at least 1.5 - 2 hours, leaving the computer plugged in. This ensures that the battery is cool and not hot due to charging. You are free to use your computer while plugging it in, but make sure that it does not go up too hot.
- Navigate to the power management settings in your computer and set them to Hibernate automatically when the battery reaches 5%. To find these options, go to Control Panel, Hardware and Sound, Power Options, Change plan settings, and Change advanced power settings. Search in the Battery category for "Critical battery action" and "Critical battery level" options. (If you can not set it to 5%, set it as low as possible, for example, on one of our computers, we could not set these options below 7% of the battery.)
- Pull out the power plug and leave your laptop running and the battery will discharge until it hibernates automatically. You can continue to use your computer while this happens.
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