If you want to use the laptop in the car, do not use the battery on the car, a separate use of a battery, how can you use the notebook, the converter how to connect?
Power converter is the battery DC into 220V AC, and your charger and 220V AC power into DC power supply to the notebook. In fact, this process is a bit redundant, a battery voltage at 13 o'clock, with the laptop battery voltage is basically the same, just find a power plug (and your original charger on the same), according to the positive and negative connected, Notebook can be used directly.
