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Introduction |
| If your laptop battery is a couple of years old and is beginning to fail or you suspect the reported information is incorrect, one thing you can do (outside of replacing the battery) is to recalibrate the battery. This process does not restore lost capacity, but is useful to give you an idea of how much life actually remains on the battery. | | ++ '''Guide notes''' ++ | * It is very unlikely you will see a capacity increase through recalibration. It is far more likely your battery has unaccounted wear that was never logged and recalibration will simply force the battery to takecorrect for this wear into account. This is NOT a badgood thing. | * If your laptop does not allow you to use it when the battery hits a certain percentage (notably HP), you will need to find a workaround to calibrate the battery properly. The workaround for this will vary based on what type ofthe BIOS is used ((UEFI or in some cases, per seriesLegacy), so you will need to figure out what "works" for your specific laptop. | * '''WARNING: If your laptop's battery gets hot to the touch and is beyond warm, measure the temperature of the battery. If the battery is running hot (~70-80 degrees Celsius), the battery should be considered damaged and be replaced!''' | * Once the battery is charging, it is best to let your laptop do it's thing and avoid usingnot use it. Using it is unlikely to harm anything, but this canThis may affect the calibration accuracy of the recalibration. | * BatteriesThis procedure may damage a worn out battery. Use this procedure with a high wear percentage maycaution on these batteries. You should also b damaged by doing this. Bee prepared to replace your battery if this happens. | | | To recalibrate the battery, charge the battery to 100%. Use the laptop until the battery hits 0% and shuts off. Immediately charge the laptop until it is fully charged. |
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