How long 12v battery charge

Slow charging rates vary depending on the battery's type and capacity. However, when charging an automotive battery , 10 amps or less is considered a slow charge, while 20 amps or above is generally considered a fast charge. Fast charge Repeated fast charges on a battery may overcharge a battery and reduce service life. Bumper to Bumper helps a listener who is having starting issues with her Dodge Caravan. Tagged under Interstate Batteries. Clip of the Week Bumper to Bumper helps a listener who is having starting issues with her Dodge Caravan.

Find my battery. Find a retailer Search. Use my location to find a retailer. Century Batteries. Looking for assistance or pricing on a particular battery? Contact your nearest Century Batteries retailer A perfect balance between cranking performance and life, they incorporate an advanced labyrinth lid These are great chargers to have with you when traveling so as to give your battery the boost is needs when you end up with a depleted battery and help around to give you a jump start using jumper cables.

When using a 40 amp charger you must take care not to overcharge your battery so keeping it connected for long periods of time will damage your battery. If you are using a smart car charger it will reduce the amperage as soon as the full charge is reached from 40 amps down to a trickle just for maintenance or switch off completely once charged, these are the best options to use.

Charging your car battery with a 2 amp car battery charger will take a reasonably long time, up to 24 hours to reach an acceptable charge, this is determined by the fact that your car battery is usually 48 amps and it takes about 1 amp charge per hour on average.

This type of amperage is used when using a trickle charger or just maintaining your battery at a certain level and not trying to get a quick charge to boost your battery and get it started.

This is a great amperage to use when you are going to leave your charger connected to your battery for extended periods of time on batteries that are seldom used such as that antique car that is only driven once a month, the trickle charge on a smart charger will maintain the level of charge in the battery so that your car is ready to use when you want to take it out for a spin.

In such a case, you should visit a mechanic or technician to ensure the battery and alternator are working efficiently. Your needs decide the charging speed — if you are looking for a rapid charge, use a high amp charger but remember that some chargers can damage the battery as well.

A long time is needed with low amp chargers to provide a full charge to your battery, although they are the best option to maintain the battery for an extended time period.

If you wish to charge the battery rapidly, it is recommended to use a smart high amp charger which allows for quick charging while imposing no damage to the battery. If you want to start the car quickly, a jump starter is highly recommended. The car will be started right away using a modern jump starter which is very safe and user friendly.

To determine the type of charger best for your car battery, determine the amp rates you need in a charger. There are many smart chargers available today which can be used easily and turn off or on into the maintenance mode automatically once the battery is charged fully. A greater amp supply is provided by cheaper chargers, compared to what is written on their boxes.

Therefore, it is recommended to always get a high-quality charger from an authorized manufacturer and dealer only. This will not just save your car battery but will also minimize the damage risk for your car. As we have discussed how long does it take to charge a car battery in detail, you will not face any problem with it the next time you go for a charge. Remember that no electrical device on your car should be left turned on when it is not needed, and the car should be running every now and then to avoid its battery from draining.

Buyers Guide Blog About Us. Hence, the best choice to buy is this smart charger. Recovering a Dead Car Battery: If you wish to recover a dead car battery, follow the steps below to do so. Check the car battery charger you will be using and its amperage. Chargers with higher amperage will charge the battery much faster than low amp ones.