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Changes to Recalibrating laptop batteries Introduction

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Introduction
If your laptop battery is older (and you wish to get a little more use out of it) or has an inaccurately reported capacity, it may be possible to correct the problem by recalibrating the battery. [ … ] '''NOTE:''' Battery'''Important:''' '''Battery recalibration will not save a worn out battery. It will correct battery.''' The capacity reported by the capacity, BMS will be corrected, but any capacity improvements it will not be appreciable. This procedure only corrects the repair these batteries. Noticeable capacity reported to the BMS. improvements are generally negligible or short term. [ … ] ++ '''Guide notes''' ++ * '''WARNING:''' If '''''If your battery exceeds 30-40 °C/86-104 °F, REPLACE THE BATTERY! BATTERY!''''' * '''If your pack is older, use this procedure with caution. This procedure may damage a worn out battery.''' older batteries.''' * If your laptop does not allow you to use it when the battery drops to a certain percentage (notably HP), you will need to find a workaround to drain the battery to 0%. This varies may vary based on if your system uses a UEFI the BIOS type (UEFI or Legacy BIOS. Legacy). * In most cases, you will see s a capacity decrease. This is good and means the information reported to the BMS is accurate. * Try to avoid using your laptop while it is charging. This may impact the post calibration accuracy. [ … ] '''How to recalibrate the battery''' * Charge the laptop to 100%. * Use the laptop until it's at 0% and shuts down**/***. battery, charge immediately recharge the battery to 100% (ideally uninterrupted). (uninterrupted). === Known BIOS lockouts === turn off. Plug the laptop in to wake it up off and drain it need to 0% once it is running again. be bypassed. '''Immediately recharge the battery'''. battery once the laptop is at 0% capacity and shuts down.''' ***Lenovo laptops have a ~7% critical lockout. This only kicks in if the laptop is turned off.
If your laptop battery is older (and you wish to get a little more use out of it) or has an inaccurately reported capacity, it may be possible to correct the problem by recalibrating the battery. [ … ] '''NOTE:''' Battery'''Important:''' '''Battery recalibration will not save a worn out battery. It will correct battery.''' The capacity reported by the capacity, BMS will be corrected, but any capacity improvements it will not be appreciable. This procedure only corrects the repair these batteries. Noticeable capacity reported to the BMS. improvements are generally negligible or short term. [ … ] ++ '''Guide notes''' ++ * '''WARNING:''' If '''''If your battery exceeds 30-40 °C/86-104 °F, REPLACE THE BATTERY! BATTERY!''''' * '''If your pack is older, use this procedure with caution. This procedure may damage a worn out battery.''' older batteries.''' * If your laptop does not allow you to use it when the battery drops to a certain percentage (notably HP), you will need to find a workaround to drain the battery to 0%. This varies may vary based on if your system uses a UEFI the BIOS type (UEFI or Legacy BIOS. Legacy). * In most cases, you will see s a capacity decrease. This is good and means the information reported to the BMS is accurate. * Try to avoid using your laptop while it is charging. This may impact the post calibration accuracy. [ … ] '''How to recalibrate the battery''' * Charge the laptop to 100%. * Use the laptop until it's at 0% and shuts down**/***. battery, charge immediately recharge the battery to 100% (ideally uninterrupted). (uninterrupted). === Known BIOS lockouts === turn off. Plug the laptop in to wake it up off and drain it need to 0% once it is running again. be bypassed. '''Immediately recharge the battery'''. battery once the laptop is at 0% capacity and shuts down.''' ***Lenovo laptops have a ~7% critical lockout. This only kicks in if the laptop is turned off.
Summary
capacity and potentially recover some extra capacity. so you know the current state of the battery.
capacity and potentially recover some extra capacity. so you know the current state of the battery.

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