Battery life of an HP laptop

learninmypc

Posts: 9,662   +724
Got a 2nd hand HP laptop was 8.0, now W10, from a friend in 2018. A few days ago I noticed it was UNplugged, I plugged it back in & it showed 73% plugged in. Now its showing 63% plugged in. NO access to battery or HDD so I will not take it apart to replace battery.
Will it continue to work even if battery goes completely dead? TIA, I'm guessing it will still run, but asking anyway :)
 
F.W.I.W., mousing over the battery icon, it simply says "battery meter", no % shown, Thinking about resetting it to factory & ????
 
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