12 volt battery charger
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This is not ideal if you are looking for a quick charge for your car, however, it is the perfect charger to use for smaller batteries such as motorbikes or other smaller batteries.Ĭharging your battery on a low amperage on a smart charge is fine if you are looking to maintain your battery or keep it on a low charge for a period of time.
#12 VOLT BATTERY CHARGER FULL#
Charging your battery with a four amp charger will take about 12 hours to get a full charge out of this low amperage. How long to Charge a Car Battery at 4 amps?Ī car battery usually holds 48 amps so if you take that it charges at approximately 1 amp per hour you can work out how long it will take to charge your battery with various amperage chargers. 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. 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. How long to Charge a Car Battery at 2 ampsĬharging 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. 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. 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. 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. In fact, it will get your battery up to a charge where you can start your car within a few minutes after connecting the charger even if the battery was fairly depleted. How long to Charge a Car Battery at 40 ampsįorty amps will charge your car quickly and efficiently. If you are looking to maintain your car battery at a fully charged level then a low amp is preferable to a high amp charger. If you are using a high amp charger then the charging process will be a lot shorter than when using a low amp charger. The length it takes for you to recharge your 12-volt car battery will depend on the amperage of the charger you are using. We may earn commission from our brand partners when purchasing products through our links. She has a wide range of knowledge and, because of this, has been able to contribute to a variety of different genres, including article and blog writing.Īs an editor, she has polished and perfected an array of pieces for diverse readerships and audiences. Anna Ryan is a writer, copywriter and editor.