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.
Charging 24 volt system.
Some 24v systems actually employ a series of linked 12v or 8v batteries.
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 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.
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.
Cars trucks rvs and motorhomes run dual 12 volt batteries for various reasons.
If you have a two wired alternator you only have one 24 volt.
The 24v systems that employ 12v batteries can be recharged with a 12v alternator by simply being plugged in like any other 12v battery.
If you are a bus motorcoach driver and your ride won t start you ma.
Another option for charging your 24 volt battery bank is to use a 24 volt charger like the samlex sec 2425ul.