Fully charge the battery with a slow charge battery charger. Then take the battery to an auto parts store and have it tested. If it is over 4 years old it is probably in need of replacement.
Yes, If a battery is allowed to go dead numerous timesit will shorten its life expectancy
Over and over as long as the donor car is running. How many times is hard to tell.
below its desired voltage
Weak alternator, dead cell in the battery, or something is on pulling power from the battery when the cars is not running.
Weak battery and no gas can both cause a no start.Weak battery and no gas can both cause a no start.
if the battery gets weak and useless, then you have to replace it...
Possibly you have an old weak battery. It takes more cranking amps to start a car when it is cold or during winter. The ususal life span of a car battery is about 5 years.
Your battery is going bad and something may be draining the battery. If you have a weak battery, it will lose charge. The car charges your battery when you run it and if you dont run it, it will go dead. If your car dies while running, in that case you might need a new alternator.
You may have a weak or dead battery.
Weak battery
A storm has nothing to do with the battery going dead.
No, this will place a very heavy load on the alternator of the car and may result in burning out the diodes of the car charging the battery. You could easily ruin the alternator. Purchase a battery charger and charge the dead battery with that. Alternators are not made to charge dead batteries.