Samsung Galaxy Note9 Battery Details & Specs

The Samsung Galaxy Note9 has a great internal battery (meaning, you can’t remove it). Read on for details about the battery, how long a charge lasts, and how to save battery life:


  • Full battery charge lasts when using the phone: 31 – 50 hours
  • Full battery charge lasts when in standby: 403 – 432 hours
  • Battery type and size: 4000 mAh
  • Wireless charging type: Qi, WPC, PMA


Tips to save battery life

  • Set the phone to sleep right after your’re done using it by pressing the power button quickly.
  • Change application sync settings
  • Always update to the latest software
  • Turn off background data
  • Lower screen brightness and the shorten the timeout
  • Switch from 4G to 2G
  • Turn off Wi-Fi, Bluetooth, GPS and Hotspots
  • Uninstall apps you don’t use


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