A defective alternator can be one rationale of an overcharged battery.
Automobile batteries are an imperative factor to constitute any van jog flourishing. Batteries can be overcharged analogous any other battery, and overcharged batteries can leak battery acid or much explode. Overcharged batteries regularly annex shorter get-up-and-go cycles and Testament not perform also as properly charged batteries.
On most cars, the voltage regulator is part of the alternator. The voltage regulator controls the amount of electricity sent from the alternator to the battery. Like many car parts, voltage regulators wear out.
Charger Issues
If a car has been sitting for quite some time, it might be necessary to charge the battery. Some battery chargers do not turn off once the battery is fully charged, leading to overcharging problems.