You can't recharge it hooked up in reverse. You will destroy the battery or the charger if you try it.
charger i had was wired wrong. soon as it was plugged in the charger stopped working. if wires are wrong it just will not charge and can be dangerous!
Depends. You may ruin the battery, or blow the fuse if equipped. More than likely will not hurt any other electronics but there is no guarantee.
If you charge the battery and it is not working then there is something wrong with the battery. Batteries are not usually repairable.
there is probley something wrong with your battery
Possibly, wrong polarity. Check whether you connect the battery correctly or you are using a correct battery.
No. A battery that's real empty may charge that much for the first few minutes, but that's it. If it continues to charge that hard there's something wrong with either battery or charger.
Overheat he battery to the point of busting it.
Reverse polarity with a portable jump starter occurs when the positive and negative clamps are connected to the wrong terminals on the battery. This can cause damage to the jump starter, the vehicle's electrical system, and the battery itself. It is important to always double-check the polarity before connecting the jump starter to avoid this issue.
you can blow fuses or the battery Possible computer damage.
Nothing as long as it was a 12 volt battery.
The proper polarity has to be adhered to so as to make the meter's needle deflection move in the correct direction. The wrong polarity will deflect the needle in the opposite direction and pin the needle against the needle stop on the left side of the meter's scale. This could un-calibrate the ammeter and the readings would not be accurate if this happens.
Inside the alternator