Laptop Battery Life

Avoid deep discharges

Main ideas

  • Ideal energy range for storage: 40%–80%
  • The biggest enemy of electronic parts is heat .
  • Avoid overchanging and unplug AC adapter when charging is complete. In particular, don’t leave a fully charged laptop connected to power supply. This can reduce the lifespan of the battery.
  • Avoid deep discharges: recharge the laptop battery when its enery level drops to 40%.
  • Reduce unnecessary programs running in background.
  • If your hardware vendor supports Linux drivers for batteries, set the charging thershold to 80%.
    • Some Lenovo Thinkpads can benefit from those drivers.
    • Other vendors like Fujitsu offers such drives for M$ Windows only.
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