arggg, ok. When the battery is left in the laptop when the ac is in the laptop will draw a bit from the battery and most from the ac...but as you draw a bit the laptop starts to charge the battery. IT continues this process. So if you had the laptop off when charging there would be nothing being drawn except for the tiny bit that leaks..thats why if you wont be using the laptop for a while the battery should be out of the laptop.
Please, untill you have seen first hand what this does to a laptop stop filling he's head with things you think are right
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Put it this way, why would the battery me so easilby removable if you would only have to take it out to replace it...the companies that make the laptops don't tell you how to properly treat the battery for you damage it and buy another one from them eventually.