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Old 01-09-2021, 03:26 AM   #41
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Originally Posted by Simi 60 View Post
While looking came across this 150 amp model for $3500
Must have golden innards
https://www.keoghsmarine.com.au/mast...g-sur-48524150
Yes it's a bit of an eye-watering price but it's 150amps at 24 volts and that's a 3.6 kilowatt generator/alternator. Mastervolt numbers are normally continuous, whereas the cheap 100amp Delco will dial back to 30amps really quickly to stop itself from over heating. (Actually that's a good thing because the Delco controller will happily overcharge batteries if it continued at 100amps.) The Mastervolt alpha controller is a very smart piece of kit. My Mastervolt will charge at 150amps into my 840AH AGM battery bank until they hit about 750 and then dial back to absorption and then float.
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Old 01-09-2021, 06:23 AM   #42
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The engine alternator is one of the ways to charge batteries.
Next, the generator and the 3rd, if you have it, solar.
If your battery charger craps out too, hang on tight and head to shore.
Of course if you have solar, you can limp back to port without too much fear. Pray for long sunny days. Of course, cold food (unless you have a gas stove or a gas grill), cold showers (unless the engine heats the water), and no internal lights. Oh yes, limited water unless you have a 12vt water maker and use it only when desperate. Remember the FW system uses a 12 vt pump so hope you have a drain at the bottom of the tank. The 12vt head pump? This is when you wish you had a manual/ electric toilet.
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Old 01-09-2021, 07:00 AM   #43
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A 120v generator can charge a bat set , but running a 120v charger , unless its huge is a slow way to handle the house set.

Far simpler is a large frame alt with dual belts and 3 or 4 stage V regulator belted from the gen set.

A front PTO may be limited by the motor , best to check with the folks that built the motor.
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Old 01-09-2021, 03:49 PM   #44
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Originally Posted by FF View Post
A 120v generator can charge a bat set , but running a 120v charger , unless its huge is a slow way to handle the house set.

Far simpler is a large frame alt with dual belts and 3 or 4 stage V regulator belted from the gen set.

A front PTO may be limited by the motor , best to check with the folks that built the motor.
Far simpler again, for us, is 2500 watts of solar on the roof, no need to start anything to handle the house bank.

New delco 70amp alt is waiting for us but covid lockdown means we won't see it for a bit yet.
Hoping there will be a spare 24v starter motor with it as well.
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