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  • Posts: 15
  • Registered: ‎01-29-2011
  • Location: SG
  • Views: 193
  • Message 1 of 1

T480 Poor battery life

2019-12-07, 9:01 AM

Hello everyone,

We bought 2 similar T480 with a secondary battery, been using it for 17 months now with extended 3 years warranty.

Since May 2018, neither of us can reach 8 hours on the road with 2 batteries. We are no gamers or designers but spent our time on mostly on MS Outlook, Excel and Word, replying email, creating new documents or copy pasting old ones.


I have just enabled the Thunderbird Assist Mode only after reading this forum after 17 months.

However, I do not see any improvements on the battery life. See screenshot, that screen is 15mins on battery after a full charge.

Any help? Consider me a noob on batteries yes...


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