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...
You will need to have a good charger/converter for those new batteries too, AGM or flooded wet cells. Along with that you may need to upgrade the battery wiring to accommodate the higher charge amperage. More on that later as you decide what to do.