Re:Safe to use T440 without internal battery? in ThinkPad: T400 / T500 and newer T series Laptops https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T-series-Laptops/Safe-to-use-T440-without-internal-battery/m-p/5039245 ThinkPad: T400 / T500 and newer T series Laptops topics Wed, 16 Sep 2020 20:52:35 +0000 tp01_en <![CDATA[ Re:Safe to use T440 without internal battery? ]]> https://forums.lenovo.com/topic/findpost/1300/5039245/5142626 Yes, but do remove it.  No internal battery is much better than bad battery.  I am assuming you have a working external battery.

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Wed, 16 Sep 2020 20:52:35 +0000 https://forums.lenovo.com/topic/findpost/1300/5039245/5142626 richk