12v battery how long to charge




















Be able to start car. How long a recharged battery lasts? Is it worth charging or just buy a new one? I don't want to got stuck in the middle of nowhere with a dead battrry It should last for more than 10days idle.

But make sure its fluid is full. In case its dry then no need for fluid. Start the car after 10 days and leave it running for like 10 mins. Stay in peace.

Hello, my car battery just died for reasons I do not know of and I am currently about to charge it. When it is charged, what are the chances the battery would go dead again? Do I have to drive the car everyday? I am asking because I use my car only twice a week. Also the battery in question was newly bought in March. Charge it. No need to spend money.

Charge it ans drive it atleast 10 miles. And start leave it for 10 mins every 10day. Can i charge another battery using a jumper to my car with engine working connecting to my car batttery. I am charging a larger than normal Mercedes A battery for the second time with a 5A Ring smart charger. The 1st charge was a year ago and it took days from dead. Tha car travelled miles in 12 months and is dead again. No surprise.

It has been charging for 60 hours and the charger is indicating that the process is over half way. My garage tested the battery 9 months ago and said it is in good condition. My question is: Is this reasonable given that 5A is only a max applied for only part of the process? I want to recharge a varta E11 battery but there is no way to get to the distilled water caps to unplug them.

Would it be dangerous to go ahead and charge anyway? Hi there I have a Fiat Punto 1. The car has been standing for a very ling time and the battery is totally flat. Can I use this Charger? It's not a problem to charge it with a charger that is charging it slowly, it's actually better than a fast charger in these situations.

However make sure that you are connecting the positive and negative clamp on the right connectors when the battery is flat! I have Cadillac the battery has been dead for about 6mos or more practically new. In order to calculate the amount of amp - hours in a battery , multiply the reserve capacity by 0. In the case of a MT, minutes RC x 0. Step 2: Before charging a battery , use a voltmeter to measure the remaining voltage in the battery.

For example, if the voltmeter shows a voltage reading of This means there are about half of the 72 amp hours in the battery. Step 3: Charge the battery at a amp rate. Just buy this charger to make sure you are always in control of a situation. This 12v battery car charger is so lightweight and small that it can charge an auto or a motorcycle fully fast at the same time. You will never overcharge your portage, and with 12 volt Battery Tender, you will have your transportation always ready for a ride.

However, this item will not be perfect if you use your automobile or motorcycle regularly. If you want to know how to charge a car battery without another car, then the answer is simple.

Just get this automobile battery charger. This one is a great option as it charges fast and maintains the most appropriate level of a battery charge. It will be a match for any battery type and special technologies applied to allow you to extend the overall battery life cycle. The time required to recharge your automobile can vary depending on the amperage of the battery as well as the amperage of a charger you use.

Choose the best car battery portable charger that will be a perfect match for your automobile from the list above.

They work pretty fast, so you will be able to hit the road in just a few hours. Of course, you can get another model such as Black Decker bm3b or another charger, but these three are the best on the market. Choosing a quality portable battery charger for a car can be quite a challenge, but with this list, it will be much easier for you.

Now, I would love to hear from you. What portable car battery charger do you use, and do you like it or not? In electrical terms, volt is the electricity pressure that flows through a cable or wire. In this case the pressure would be 12 VOLT. Amps is the unit that is used to measure the current required to charge a device. This was be the A rating found on your battery charger. It can be 1A, 2A, 10A etc. The wattage is your actual electrical power consumption. Connect your volt battery to the battery charger by attaching the BLACK negative cable from your charger to the negative terminal of the volt battery.



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