If you've ever owned cars or boat, dead batteries have been a part of your life. Without a battery, your car is not moving and could leave you stuck ắc quy varta 80ah the place you would rather not turn out to be. Car batteries also have an inclination to die done to when you least expect it and without word of caution. There are several causes of dead car batteries. The commonest is the build from sulfate throughout the plates. This interferes and…