We currently have two 80Watt solar panels
which supply most of our power if we are on the hook and dont use the laptops. Other power saving messures have been taken such as LED lights
in the cabins and water
cooled refiguration unit with cooling
element that freezes and defrosts over time.
We are willing to remove one battery and cut back on power usage and charge more frequently to save the expense of buying
a new marine
After installing a large blower fan that blows on the alternator i got the chance on run the alternator and it produced 30-40amps without the alternator getting too hot to touch. So i still need to intall the thermal switch to disable the multistep regulator
if overheating occurs. I can live with 30-40amp charge, just need to charge often.
battery problem, after running the aternator for 45mins i noticed the charge rate had droped to 6amps. (batteries arround 40-50% at start of charge) I thought the alternator was the problem so i discharged the batteries and went on shore power
to see if the Alt or batteries were the problem. The 40amp charger
would start charging at 36amps then 24amp then 12amps then after an hour around 8amps!
Maybe the batteries are heavily sulfated?
This would have most likely happened when we were crossing atlantic and Alt failed and was 'repaired' to limp along for remaining 10days. The Alt could not be run long (20mins at a time, many times a day, as voltage would climb to above 15V)
Does having the batteries desulfated really work in peoples experience? Hopefully so one in Grenada
offers this service!
Originally Posted by DeepFrz
No, this is not the solution. The solution is to fix the problem so that the alternator never overheats. 100 c is to hot by at least 10 deg. But that is just a stop gap. As long as you realize that you can limp by. Cut back your energy usage, charge more often, etc. Don't let your bank get run down. Taking one battery off of your bank is also not the solution. It is really moving the wrong way. A better answer, for now, is to charge more often.
Any chance you can pick up a used solar
panel. Even one that you mount on deck
and move below while on passage
You must think of your power generation and storage
as a system. Once you decide what you need (energy use inventory) then you can start building toward the solution, one piece at a time if you have to.