I have older 8ft TC that I just changed the furnace in since the old gravity furnace died of old age.It was only 40 yrs old. Got a new furnace that they say draws 2.7 amps. Now I need to upgrade the...
If you split up a matched set of batteries and use one on a trolling motor you no longer have a nice matched set of batteries. Putting batteries in parallel is undesirable anyway since they don't always charge and discharge exactly the same. Using 1 for another purpose will only make it that much work. I'd use 2 6 volts. If you want to take them BOTH out and use on your trolling motor then have at it.