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Recalibrage des batteries d'ordinateurs portables

Informations sur le tutoriel

= Terminé = Incomplet
    If your laptop battery is older or reporting incorrectly, it may be possible to recalibrate the battery. This can correct the reported capacity or battery gauge to extend the life of the battery. [ … ] '''''IMPORTANT: Recalibration does not save worn out batteries - it ONLY corrects the capacity. There is no way to recover a worn out battery, but the situation can be temporarily improved.''''' [ … ] For help understanding what calibration is, why it’s important, and how to calibrate batteries in other types of devices, check out the [[Battery Calibration|Battery Calibration Wiki.]] [ … ] === ++Guide notes++ === * '''''If your battery exceeds 30-40 °C (86-104 °F), REPLACE THE BATTERY!''''' * '''''You will likely see a capacity decrease. This is good - not bad.''''' * '''''Try to avoid using your laptop while it is charging. This may affect calibration accuracy.''''' * '''''Inconsistent reporting may indicate the battery is EOL. This can be delayed with proper care, but not reversed.''''' * '''''If your battery is older, consider a ~10% discharge. A full discharge may cause damage.''''' === ++How to recalibrate the battery++ === * Charge the laptop to 100%. Use it until it shuts down and no longer turns on. ** See '''''BIOS lockouts and known OEM quirks''''' for HP and Lenovo laptops. * Immediately recharge the battery. Do not use the laptop if possible. === ++BIOS lockouts and known OEM quirks++ === * '''''(BIOS lockout) HP laptops have a 15% BIOS lockout and need to be bypassed for a full discharge.''''' Immediately charge the battery once the laptop shuts off. ** '''''All HP laptops/2010+ Compaq.'''''and most Compaq laptops.''''' * '''''(BIOS lockout)''''' Some Lenovo laptops have a 7% critical capacity lockout (0190). ** '''''Only occurs if the laptop shuts off early. Easily bypassed.''''' * '''''(Known'''''(EOL quirk) Some Dell batteries hold incorrect data once the battery is nearing the end of it’s life. This self corrects with time and a latertime, or another recalibration. I have seen this on aOEM Dell batteries twice - notably, the NX31D (2014/E6440)(x2 with same issue) 65Wh (2014 DOM/E6440) and a RMJFW(2014/E6220)'''''RMJFW 65Wh Extended (2014 DOM/E6220)''''' * '''''(Battery firmware quirk) Some laptops like to show 0% wear in BatteryInfoView - notably most HP models. In order to access the data, you must run the diagnostics (UEFI may be required) to try and retrieve the data, or try HP Support Assistant under battery check and find the advanced info. This is not a computer fault, but a quirk of some battery firmwares. If it cannot be accessed, mark your pack as unknown but recalibrated.'''''
    If your laptop battery is older or reporting incorrectly, it may be possible to recalibrate the battery. This can correct the reported capacity or battery gauge to extend the life of the battery. [ … ] '''''IMPORTANT: Recalibration does not save worn out batteries - it ONLY corrects the capacity. There is no way to recover a worn out battery, but the situation can be temporarily improved.''''' [ … ] For help understanding what calibration is, why it’s important, and how to calibrate batteries in other types of devices, check out the [[Battery Calibration|Battery Calibration Wiki.]] [ … ] === ++Guide notes++ === * '''''If your battery exceeds 30-40 °C (86-104 °F), REPLACE THE BATTERY!''''' * '''''You will likely see a capacity decrease. This is good - not bad.''''' * '''''Try to avoid using your laptop while it is charging. This may affect calibration accuracy.''''' * '''''Inconsistent reporting may indicate the battery is EOL. This can be delayed with proper care, but not reversed.''''' * '''''If your battery is older, consider a ~10% discharge. A full discharge may cause damage.''''' === ++How to recalibrate the battery++ === * Charge the laptop to 100%. Use it until it shuts down and no longer turns on. ** See '''''BIOS lockouts and known OEM quirks''''' for HP and Lenovo laptops. * Immediately recharge the battery. Do not use the laptop if possible. === ++BIOS lockouts and known OEM quirks++ === * '''''(BIOS lockout) HP laptops have a 15% BIOS lockout and need to be bypassed for a full discharge.''''' Immediately charge the battery once the laptop shuts off. ** '''''All HP laptops/2010+ Compaq.'''''and most Compaq laptops.''''' * '''''(BIOS lockout)''''' Some Lenovo laptops have a 7% critical capacity lockout (0190). ** '''''Only occurs if the laptop shuts off early. Easily bypassed.''''' * '''''(Known'''''(EOL quirk) Some Dell batteries hold incorrect data once the battery is nearing the end of it’s life. This self corrects with time and a latertime, or another recalibration. I have seen this on aOEM Dell batteries twice - notably, the NX31D (2014/E6440)(x2 with same issue) 65Wh (2014 DOM/E6440) and a RMJFW(2014/E6220)'''''RMJFW 65Wh Extended (2014 DOM/E6220)''''' * '''''(Battery firmware quirk) Some laptops like to show 0% wear in BatteryInfoView - notably most HP models. In order to access the data, you must run the diagnostics (UEFI may be required) to try and retrieve the data, or try HP Support Assistant under battery check and find the advanced info. This is not a computer fault, but a quirk of some battery firmwares. If it cannot be accessed, mark your pack as unknown but recalibrated.'''''

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      Étapes du tutoriel

      Étape 1 — Enregistrer les données de calibrage d'origine

      Cette batterie est trop vieille pour un recalibrage.

      Étape 2 — Utiliser votre ordinateur portable

      Toutes les données de cette étape seront perdues. Ne branchez l'ordinateur portable que pour démarrer la machine à partir d'un BIOS éteint.

      Étape 3 — Brancher votre ordinateur portable

      Bien que l'utilisation de votre ordinateur portable ne pose pas de problème en soi, la précision du calibrage peut être affectée.

      Étape 4 — Vérifier les nouvelles données d'étalonnage

      Cette procédure peut "tuer" une batterie en fin de vie.

      Étape 5 — (Windows 10) Vérification de l'état de la batterie

      Cela peut ne pas fonctionner si votre batterie est plus ancienne, même si elle est OEM.

      Étape 6 — (HP UEFI) Contournement de l'extinction à 15%

      Ceci va décharger la batterie complètement. Le diagnostic HP ne charge pas la batterie.

      Étape 7 — (HP Legacy BIOS) Contournement de l'extinction à 15%

      N'APPLIQUEZ PAS ces réglages à votre système d'exploitation (OS) primaire. Ils risquent d'endommager la batterie.

      Étape 8 — (Lenovo 0190) Contournement d'une batterie critiquement faible

      Branchez l'adaptateur à votre ordinateur portable. Laissez le POST se terminer avant de débrancher l'ordinateur portable.

      Étape 9 — (Facultatif) Classer l'état de la batterie

      Pour mieux suivre l'état de santé estimé de la batterie, il est recommandé de prendre note de l'état final de la batterie.

      Vos contributions sont faites dans le cadre de la licence open source Creative Commons.