Power neutral ground
The function of battery terminals is to connect a load or charger to a cell battery. Battery terminals are necessary and common in a lot of batteries.
Corroded battery terminals, defective battery, or starter.Corroded battery terminals, defective battery, or starter.
Most battery terminals are made of lead.
on the battery
No, it is not safe to touch battery terminals as they can deliver a harmful electric shock.
You achieve three phase rectification with a three phase rectifier. There is one in the alternator of you car. You have three windings, connected delta, so there are three terminals. Three diodes are connected to these terminals, anodes towards the terminals, cathodes common and connected to the battery. Three more diodes (for a total of six) are connected to the terminals, cathodes towards the terminals, with the anodes common and connected to ground. At any one moment of time, one winding provides voltage to cause two diodes to conduct, charging the battery. As the alternator rotates, the windings and the diodes take turns, effectively providing a three phase AC to DC power source to the battery. If you look closely, there is another set of three, smaller, diodes connected as well, anodes towards the terminals. These diodes provide power for the integrated regulator, but the six main diodes are large and heatsinked into the frame of the alternator.
More than likely you have corrosion at the terminals. Clean the battery terminals and then recharge the battery and see what happens.
No, it is not safe to touch battery terminals with your hand as it can result in electric shock or burns.
No, it is not safe to touch car battery terminals as they can deliver a powerful electrical shock.
positive and negative terminals and the battery case
battery acid
Battery terminals or battery posts.