i read a lot but no one seems to be able to answer this. I have car battery 12v. I have step up converter with v in and on other side ground and v out and ground.
my question is on this chinese step up converter what is what? They are known to jumble up things and even used black for plus in another item. Plus from attery to what? Minus to what?
then to laptop to charge it when it is off. Does need schottky diode in between?
i will try to upload pictures.
my question is on this chinese step up converter what is what? They are known to jumble up things and even used black for plus in another item. Plus from attery to what? Minus to what?
then to laptop to charge it when it is off. Does need schottky diode in between?
i will try to upload pictures.
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