To find these options, head to Control Panel Your laptop should now be reporting a more accurate amount of battery life, sparing you any surprise shutdowns and giving you a better idea of how much battery power you have at any given time.
The key to calibration is allowing the battery to run from 100% to almost empty, then charging it all the way up to 100% again, which may not happen in normal use.
This issue can be caused by to distinct reasons: Heating issues - some laptops have built-in heat sensors that will stop charging if the battery, or the laptop itself gets hot.
This can be remedied by turning off the laptop for a while to allow it to cool down.
If you’re taking proper care of your laptop’s battery, you should be allowing it to discharge somewhat before plugging it back in and topping it off.
You shouldn’t be allowing your laptop’s battery to die completely each time you use it, or even get extremely low.
Some manufacturers may even say this isn’t necessary on their hardware (like Apple).
Once you’ve gone through this full charge cycle, the battery will know how much juice it has and report more accurate readings.
It has become a common annoyance for some older laptops to suffer battery charging problems.
No matter how well you take care of the battery, its capacity will still decrease as a result of unavoidable factors like typical usage, age, and heat.
If the battery isn’t allowed to run from 100% down to 0% , the battery’s power meter won’t know how much juice is actually in the battery.