they are continually recharge by an alternator on the car engine.
how Can you charge multiple 12 volt batteries with a car?
charge batteries with caps in place.most U.S.A batteries are made with flame.
The batteries are probably bad.
Depends on the quality of the batteries and the care that you charge them with.
Take it to a place that check and charge batteries like the auto zone or kragens.
No, you will ruin your batteries and charger.
Between 12V-14.2V is recommended, however standard charging units will optimize their charge to your batteries needs.
The charger needs to be set to charge for the voltage that the battery is designed to produce. Most car batteries are 12 volt batteries.
Lead is used in car batteries because it stores a charge which can be used to power car electrical systems and accesories
Car batteries can really vary in price depending on brand. If you get a good name brand battery, expect to spend anywhere from $90 to $120, including the core charge.
Hybrid cars can not be plugged in so the only cost you encounter when trying to charge the batteries of a hybrid car is the cost of gasoline. All of today's modern cars charge their batteries though the use of regenerative braking systems which use the friction of the brakes to generate electricity and a small gasoline engine.
Dead cell in the battery or something is on pulling power from the battery. Light or relay.