how Can you charge multiple 12 volt batteries with a car?
You cannot use a 12 volt charger to charge 2.6 volt batteries. The 2.6 volt batteries will become hot, very quickly, and explode.
Depends on the battery size. If your boat is a 12 volt system and you wire two 12 volt batteries in series you then have 24 volts. If the batteries are 6 volt batteries you will be fine. If you have a 12 volt system on your boat and want to use two batteries then wire two 12 volt batteries in parallel. You will still have 12 volts but will have double the amperage available and this will extend the running time of the batteries.
you only need two 12 volt batteries to make 24 volt. connect them in series
use two 12 volt batteries in series.
You must hook them up in series. You will need four 12 volt batteries to do this.
The majority are all 12 volt.
Two six volt batteries in series makes 12 volts so switch the charger to the 12 volt position.
Yes, if the two 6 volt batteries were connected together in series.
There are a wide variety of online stores that sell 12 volt batteries. The online sites for Wal-Mart and Staples, along with Amazon, for example, each sell this product.
Modern automobile batteries are 12 volts.
can ou step down 36 volts dc to 12 volt dc using batteries