Charging 24 Volt System With 12 Volt Charger

While most vehicles use a 12 volt 12v electrical system many buses and some boats utilize a 24 volt system.

Charging 24 volt system with 12 volt charger.

As we learned in basics of electricity current always flows from higher potential to lower potential. Cars trucks rvs and motorhomes run dual 12 volt batteries for various reasons. You can use a 24 volt charger or a 12 volt two bank charger. Depending on how you wire a two battery 12 volt system the result can be a 12 volt system or a 24 volt system.

No you can not. 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. Some 24v systems actually employ a series of linked 12v or 8v batteries. The batteries look like this.

I have a 12 volt battery tender here. As far as charging boat batteries on the water test your system on land and always use the correct size fuse and proper gauge wires safety. The 24v systems that employ 12v batteries can be recharged with a 12v alternator by simply being plugged in like any other 12v battery. There are many options available to purchase but i would stick with a marine option that is designed to be in wet environments.

It s a 24 volt system but it s actually two 12 volt batteries tied together. 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.