Hah. Yes. Couple of drops of water on an an MBA... laptop worked fine. Battery, fine. Healthy. Charging circuit would not work. Perfectly functioning laptop on AC, but unable to be on battery because 0% charge.
Me, at Genius Bar, expecting you know, maybe $300 with parts and labor?
"Here's a quote, sir, we're looking at $850+tax, perhaps we should talk about getting you into a new Mac today?"
No. The laptop was primarily connected to AC anyway and only 18 months old, if that. Sorry, Apple.