Alternators can be set to produce different voltages 12 volts is the most common for cars but on larger vehicles a higher voltage is required.
Charging 24 volt system.
Ever wonder about how to charge the 24 volt battery system on an mci motorcoach bus.
Depending on how you wire a two battery 12 volt system the result can be a 12 volt system or a 24 volt system.
While most vehicles use a 12 volt 12v electrical system many buses and some boats utilize a 24 volt system.
If your charger is small enough to be carried aboard your boat you can leave these cables in place since the charging procedure requires it.
The most popular way to charge a 24 volt trolling motor battery system is with an onboard two bank battery charger like the minn kota mk220d.
If you have a two wired alternator you only have one 24 volt.
If you are a bus motorcoach driver and your ride won t start you ma.
The 24v systems that employ 12v batteries can be recharged with a 12v alternator by simply being plugged in like any other 12v battery.
Cars trucks rvs and motorhomes run dual 12 volt batteries for various reasons.
If your boat has a 24 volt battery system it probably has two 12 volt batteries that are wired together so that the negative post of the first battery connects to the positive post of the second battery.