This reading shows the battery's resting voltage. An ideal reading should be between 12.2 to 12.6 volts. If the reading is lower than 12.2 volts, the battery is weak or could be dying. It may just need to be recharged or could need a complete replacement.
The simplest way to bring your vehicle back to life is to jump-start the battery.
3.What is the normal life of a car battery?
Some cars will get up to 5 or 6years out of their battery, while others will need a new one after only two years. In general, your car will usually need a new battery after three to four years.
4. Which battery company is best Exide or Amaron?
Amaron batteries are known to have a longer life and are able to withstand extreme temperatures better than Exide batteries.