Kilo is the prefix for thousand, and car batteries generally use 12 volts.
So 0.012 kilovolt in a car battery.
12
50,000 mV
Yes, you can definitely buy a car battery online. There are many dealership websites that you can visit online to purchase a car battery and there are many auto stores that you can go online to purchase a car battery.
None, a car battery is lead-acid, not alkaline.
6200 millivolts = 0.0062 kilovolts.
Over and over as long as the donor car is running. How many times is hard to tell.
To charge a car battery you need aproximatly 8000 amps To charge a car battery you need aproximatly 8000 amps
NO You have to many AMPS from a car, you can jump start it butdon't charge it.
It varies by manufacturer and battery.
900,000 Volts. That is Nine Hundred Thousand volts.
Volts and Amps are different units and can't be compared as you suggest.
A car battery should not be "cycled" as in fully discharged and then recharged. Such a cycling would quickly destroy this kind of battery. A car battery is discharged slightly when you start your car, then it is recharged again when you drive your car. Proper charging whilst running car engine is good for the battery. A normal car-battery (Lead-acid) can last for many years if not "cycled". Never discharge battery more than 50%. How often you actually need to recharge your battery depends on how it is used.