I hate laptops due to this. I'll only connect the battery if I'm nowhere a wall socket.

Do you have the option to calibrate the battery? You might find it in the power options with in the control panel or with Toshiba's own software. Keep in mind that not laptops have that option though.

I'd guess support would say drain the battery completely, charge fully and test without the power cable connected. Let me guess, you've done that already?

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