Final decision made today on batteries

luvrbus · August 29, 2017, 08:08:06 PM

LOL could be since Goggle is not a big part of life

windtrader · August 29, 2017, 08:49:41 PM

Quote from: luvrbus on August 29, 2017, 07:54:40 PM
You guy confuse the heck out of me ? when talking to the Lifeline rep he made mention a battery will only produce so many watts in a 20 hr period according to amp hour rating on the battery what did I miss here

Clifford,
Deep cycle batteries have an Ah hour rating. That number is the number amps that can be drawn from a full battery in twenty hours. When someone mentions the number of watts, a simple calculation is done to the Ah number. Take the battery voltage and multiply by Ah. An example is a 12v 100Ah battery will have 1200 watts (V*A=W). Practically, the battery can never deliver this amount of energy for long as the rating is done until the battery is at 100% DOD. A deep cycle battery should not be drawn down beyond 50% DOD often and certainly no more than 80% DOD except rarely.

eagle19952 · August 29, 2017, 08:55:51 PM

Quote from: Scott & Heather on August 29, 2017, 12:10:45 PM
Bus warrior, I loved your post. Really actually resonated with me because we are sometimes in those exact situations needing to plug into a 15 amp outlet and setting off breakers inside a locked building. Totally my life sometimes. I am saving up $$ for that magnum...i absolutely cannot wait to own it. Will really make life easier for us! I'm still lost on the 24/12volt amp hour deal but I'll study up on it using the mighty google. Not trying to "sod off" anyone,...I just like having one bank and was just making that clear...

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if the only 24v load is your starter...u can incorporate a series parallel switch.
someone smarter than i could probably solve for other 24v loads under way...

https://www.google.com/search?q=series+parallel+switch&oq=series+parallel+switch&aqs=chrome..69i57j69i60&sourceid=chrome&ie=UTF-8

http://www.ebay.com/itm/like/132116273372?chn=ps&dispItem=1

niles500 · August 29, 2017, 10:07:56 PM

Don if you have a problem comprehending the chart, I will decline responding, take your best toe hold, i'll go with the engineers - FWIW

Scott & Heather · August 30, 2017, 04:26:41 AM

Now that 24 volt switch is cool. That would be amazing to have and make work...my interest peaketh

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luvrbus · August 30, 2017, 04:37:37 AM

Quote from: Scott & Heather on August 30, 2017, 04:26:41 AM
Now that 24 volt switch is cool. That would be amazing to have and make work...my interest peaketh

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Mack trucks used that switch back in the 60's they can be a real PITA

buswarrior · August 30, 2017, 05:13:49 AM

Do you like staying married?

Don't screw around in an area such as this, where it is all new and exciting, and there are many, many sharks wanting to take your money, and peeps with little clue, but just as emphatic as the ones who know.

Supply of power needs to be invisible, consistent, understandable, and not require the sacrifice of animals or small children to the Gods...

It also needs to be cost effective.

"Unique" means no support, nobody understands what you've done, and you might not either?

SHE is only going to put up with our "man shyte" for so long, and we fellows aren't too good at receiving the signal that SHE is pissed off.

Unreliable power, having to go through any more steps than plug in and throw a switch, YOU ARE ON BORROWED TIME.

Find another outlet for your creativity and new learning, this topic has a ton of electrical engineering theory, then there's real world experience that keeps a lot of that theory in text books, and not in our coaches...

Sometimes, on some topics, the herd wears a path for a reason?

24 volt system, centre-tap with equalizer for small 12 volt needs, Magnum 4024, maybe toss in some solar to keep generator run time down for battery re-charge.

And move on, with no need to re-visit a cobbled, unreliable, no support, on your own, power system, that you will be enjoying in the dark, cold and ALONE.

Don't believe me? Call your partner over and have them read this.

They want reliable, simple like at home power, and don't like looking at your butt crack while you scurry around into all the bays fooling with things.

happy coaching!
buswarrior

windtrader · August 30, 2017, 10:27:08 AM

Quote24 volt system, centre-tap with equalizer for small 12 volt needs, Magnum 4024, maybe toss in some solar to keep generator run time down for battery re-charge.

Hey, that's my plan.

Except older Vanner charger/inverter, solar coming, 8Kw generator for backup/topping off banks.

eagle19952 · August 30, 2017, 10:58:33 AM

Quote from: luvrbus on August 30, 2017, 04:37:37 AM

Mack trucks used that switch back in the 60's they can be a real PITA

only if you let someone ( a mechanic and i use that word loosely here and in reality )who doesn't understand them within 100 ft of your rig...

luvrbus · August 30, 2017, 11:22:46 AM

I always have trouble with 3 stage parallel switch they have to many relays built in that go bad

Scott & Heather · August 30, 2017, 01:01:52 PM

This thread has gotten funny.

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Oonrahnjay · August 30, 2017, 01:06:09 PM

Quote from: Scott & Heather on August 30, 2017, 01:01:52 PMThis thread has gotten funny.

After two pages, they all do.

Jon · August 30, 2017, 01:10:24 PM

While I agree with Bus Warrior completely I often wonder what it is that makes a bunch of guys believe they are able to reinvent the wheel. I know us guys like dials and gauges and knobs and switches and we think it is a sign of weakness to have an electrical system that is easy to operate and understand. But for a long time now professional conversions required zero effort to have power in the form of 12VDC, 24VDC, and 120VAC where we needed it, when we needed it, without any action required. The beneficiary of those professional systems was my wife. It did not matter if we were plugged in, if the generator was running, or if we were driving or parked. All she cared about is could she make coffee without monkeying with a gazillion switches or look at a dozen dials. She knows the refrigerator is always refrigerating. If she want light to read, she just turns it on.

Repeat after me: Chassis batteries are for starting, house batteries are for the house. Neither should require any thinking.

But then again I know I am wasting bandwidth because the wheel is about to be reinvented.

eagle19952 · August 30, 2017, 04:16:51 PM

i suppose if you have 24v loads 12v loads and AC loads... separate DC sources might be easier...but if they can put nuclear power in a submarine and operate anything they want.... a single source DC system on a bus ought to be grade school easy...
mine has served me well since ever.
but. i don't ask batteries to power AC or DC loads that it isn't capable of....

BESIDES...who would leave their wife to turn knobs and scan dials anyways...
anyone want a sandwich ?

Scott & Heather · August 30, 2017, 06:57:33 PM

Jon people that don't think for themselves and try to learn and come up with new ways never made any progress in the world. I'm not trying to reinvent any wheel. And i don't drink the kool aid that says it's some sort of stupid sin to have a combined battery bank. I have a combined black grey tank and have in both buses and in 7-8 years of fulltiming all over the US I have found it's an awesome system...yet 7 years ago everyone told me it was a bad idea to "reinvent the wheel". I am
Learning and willing to learn but also make my own final decisions....because I'm not a sheep or a lemming. Do it your way. I don't judge others for how they do things....

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