Bought new battery, Same issue.
Metered the charger. Good to go.
Inspected the batter port. No issue.

I will not disagree that parts do fail. But failure proven to be NOT components leaves...
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I have a dell E1505 that I have hade no problems with Win 10 from day one until the latest update ver 1803. There must a bunch of people who have had this "not charging" issue. I have done every step...