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Boston MA

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  • Posts: 74
  • Registered: ‎05-30-2014
  • Location: Boston MA
  • Views: 676
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W540 battery replacement and Battery Health Mode

2016-10-02, 3:00 AM

My W540 is asking me to consider replacing the battery. The original battery is a 57++, 9 cells, 11.1V, 8.96Ah 100Wh, Li-ion00 battery.


Searched on ebay, cannot find an exactly the same one.  The closest match one is this:



Some 9 cells 57++ is 10.8V, 9.21Ah and Li-ion 20 


----- does this one is better than mine original because of its lower V?

----- do you have a reliable seller from ebay or amazon to recommend ?


From the Battery Maintenance window I found there is a Battery Health Mode feature somewhere. But where I can find it?

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