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Generator
#11
Speaking of generators, on my last trip I saw a big class A towing one of those big generators like an Ingersoll-Rand they use on job sites. Now there's someone serious about his power LOL
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highdesertranger (12-29-2017)
#12
there are NO dumb questions. only dumb answers. highdesertranger
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gsfish (12-29-2017)
#13
(12-29-2017, 06:48 PM)highdesertranger Wrote: there are NO dumb questions.  only dumb answers.  highdesertranger

If one wants to stealth camp, are there generators that charge the batteries fairly quickly that one could use somewhere in the daytime like a public park? I have noticed that most van-dwellers seems to try to stay away from using generators and I am wondering why. Obviously, you could not use them in a lot of places, but others seem like they would not be a problem for a few hours a day.
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#14
Lead acid batteries are slow to charge.  More generator doesn't fix that.  The first phase, current limited, bulk, can be speeded up.  The absorption, constant voltage phase depends on the battery.  You give it 14.4 volts and the battery controls the amps.  Some people use a generator to start and let solar handle the slow finish.  

Lithium batteries can charge faster  and don't have the slow finish.
You cannot bring about prosperity by discouraging thrift. 1 of Ten Cannots, Rev. William John Henry Boetcker, 1916.
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GeorgiePorgie (12-29-2017)
#15
using a genny as your only charge source is not very economical. getting the batteries up the last 10-20% takes a very long time. you would have to run the genny 6-8 hours a day. however if you use it as a supplement to solar it can work very well. a genny and good charger can get the batteries up to 80% pretty fast, then solar for the long tail end. highdesertranger
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GeorgiePorgie (12-29-2017)
#16
Sorry I was not more clear. I want to use solar, but not be totally dependent on it. I am looking for an inexpensive way to charge the batteries when solar not enough. Is there anywhere (dependable) to pay a (reasonable) fee to charge batteries with land power that does not require paying rent to stay overnight?
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#17
(12-29-2017, 07:58 PM)GeorgiePorgie Wrote: Sorry I was not more clear. I want to use solar, but not be totally dependent on it. I am looking for an inexpensive way to charge the batteries when solar not enough. Is there anywhere (dependable) to pay a (reasonable) fee to charge batteries with land power that does not require paying rent to stay overnight?

Simple answer is: nope!

The easiest, cheapest and dependable way to have a good charging source for your house battery system is to carry a generator.

A good, quiet and dependable generator is going to be a fairly high initial investment but it pays off in the long run...cheap operating costs, low maintenance costs and long term use. One of my generators is going on 11 yrs old and other than  a couple professional tune-ups it's needed nothing but oil changes and a couple of spark plugs.

A battery charger needs to be sized appropriately for your battery bank and then the generator has to be powerful enough to run the battery charger...bottom line - the more daily power you need, the larger the house battery system, hence a larger charger and a bigger generator.

For example, I use quite a lot of power keeping both a fridge and a deep freeze running in the van. I have 4 - 6 V Trojan T105REs on board for 450 A/hs. The battery charger is a 55 amp one that requires more power than my first Honda 1000 generator can provide so I opted for a second gennie which runs in parallel so they're equal to a 2000 W generator.

Others with less power needs can get by with a smaller battery system, much smaller charger and a 1000W generator quite easily.

The other alternative source of power to charge your battery bank is adding a solenoid to your vehicle engine alternator/battery set up so that when you're driving, the house batteries are being charged.

It still takes hours to recharge a house battery bank after 50% discharge but the combination of all three charging sources makes sure that I can keep the batteries topped up each and every day. I'm either parked and using the generator/solar system or driving and utilizing the solenoid/alternator to charge...sometimes all 3 in a day.... Big Grin
Worry is a misuse of imagination!
 
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GeorgiePorgie (12-29-2017)
#18
Unless you go to LFP for your bank

you need to charge at least 5-6 hours to get a depleted lead bank back to full

If your solar input is not enough

a quiet genny run early in the morning before solar starts

get the bank to 80-85%

and then let the solar handle "the long tail" until endAmps specified 100% Full

at least a few times per week, a quality bank can last a decade or more
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GeorgiePorgie (12-29-2017)
#19
It will always be expensive. One good quality or many failed lessor quality devices. You need a quality charger such as ProNautic, http://www.promariner.com/en/products/dr...t-chargers
A quality charger can be used on mains electric or on a small generator. You should have a quality generator if you are going to have one, Such as Honda or one of the better inverter types, 1000 to 2000 watt
My charger was $350, my Westinghouse generator was $600.
Finding an outlet without paying for the electricity? That could get you into deep stuff.
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GeorgiePorgie (12-30-2017)


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