Car Battery Completely Dead

If your car exhibits one of the following telltale hints then you might be dealing with a dead battery.

Car battery completely dead.

There are different values of dead that a car battery can exhibit so the exact symptoms aren t the same in every situation. At its most basic a car battery is constructed of alternating plates of dissimilar metals usually lead and lead oxide pb and pbo 2 in an electrolyte bath usually sulfuric acid h 2 so 4 in water. However it must be the same voltage as the car being jumped. A car with a working battery.

Car battery death for the purposes of this article refers to the battery s inability to hold a charge usually caused by sulfation. Most car batteries are 12 6 volts or above. Fixing it before the battery goes dead or before the battery goes dead multiple times will save you money in the long run. This is because it has to work overtime to fill up the battery while also.

Then connect one end of the cable to the positive terminal of the donor battery and then connect the. Your vehicle s alternator can keep a healthy battery charged but it was never designed to completely recharge a dead car battery if the unit in question reads below 12 volts. To revive a dead battery first make sure each car is in park or neutral and turned off. Before touching the battery though you have to be sure that it really is the problem and not the ignition or that the battery cables need cleaning or some other factors.

If you own a more unique vehicle such as an rv consult your owner s manual before getting or giving a jump. Many battery chargers deliver two to six amps some allow you to choose the amperage level and will take at least several hours to recharge a dead car battery. Unless you ve got a power box on hand you ll need another car to get your battery juiced up. For instance if you notice that your car is hard to start one morning but you didn t leave the headlights on there may be a drain somewhere in the system.