Pro tip: Anything below 12 volts is low, and there’s a good chance your car won’t start. The post A Step-by-Step Guide to ...

Fortunately, you can recharge a dead car battery raher ... When your 12-volt car battery dies or goes flat, a chemical process called "sulfation" is usually the culprit. All lead-acid and valve ...

If it does start, let the problem car run for at least 20 minutes to allow the battery to recharge before shutting it off. • If it still doesn’t start, there may be another problem.