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Electrical Discussion of preventative/corrective maintenance and other technical issues regarding your coach's electrical system.

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  #71  
Old 03-01-2015
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Quote:
Originally Posted by Bikeboy57 View Post
I have LiPo's in my Newell. I was able to setup an Xantrex with Link 2000 controller reasonably well to accomodate their needs. However, I replaced with a Magnum full sine unit and remote. The Magnum allows full customization so I have a charge profile that does not Float when finished. The charger goes Silent until the recharge voltage is reached.
Sounds like a pretty good setup. Now we have to start monitoring everyone's' performances and life spans to see how successful they are. How long have you had your setup that way?
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  #72  
Old 03-01-2015
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Originally Posted by Randy Dupree View Post
I guess you missed the part about the house fridge,the 2 freezers in the bays,and the big TV in the front,plus the 2 laptops and numerous wall warts.
Well....there is that
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  #73  
Old 03-03-2015
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Wow. I just read through this thread, and its really cool to see that people are finally starting to switch to Lithium for their coaches.

I have been watching the Lithium space with extreme interest over the past year, trying to talk myself into making the leap. In the end, I decided to wait and see what the longevity of these new packs is before investing the $$$ myself. I have read a lot of positive stories, but have also heard a lot of the pitfalls and unanticipated problems. And since they are so new, no one really knows how long they'll last.

Unfortunately, knowing me, I'm not sure how much longer I'm going to be able to talk myself out of it. I'm quite jealous of Randy's new pack!!
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  #74  
Old 03-03-2015
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one thing i really like,that you guys should figure out,is the low voltage cut off solenoid.
when the voltage gets down to 12.4 or something it shuts the battery off,preventing running it down.
If i had a lead acid battery i would be looking to wire it like that.
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  #75  
Old 03-03-2015
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At least on my coach, the inverter is the largest draw. It can be set to shut down at whatever voltage you choose. Doesn't disconnect the battery, but almost as good.
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  #76  
Old 03-03-2015
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Originally Posted by Jim Brookshire View Post
At least on my coach, the inverter is the largest draw. It can be set to shut down at whatever voltage you choose. Doesn't disconnect the battery, but almost as good.
right,but the house 12vdc system can still run the battery down.
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  #77  
Old 03-03-2015
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I have an auto generator start that kicks in if the batteries get below 12.4 for 30 seconds. Personally, I'd rather charge the batteries when they're drained versus leave them drained, but shut the coach completely off (via disconnect).

So if I was to buy a lithium system, I'd probably want to set up the auto gen start to kick in BEFORE that low battery disconnect. That being said, I think the disconnect is VITAL for any lithium based system. Gotta protect those expensive batteries!!!
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  #78  
Old 03-03-2015
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Robert, if I understand lithium batteries correctly, they don't care if they are fully charged or not, they can be left at partial state of discharge with no consequences, unlike lead acid, like Kevin said, you have to change your way of thinking when dealing with lithiums.
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  #79  
Old 03-03-2015
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Originally Posted by Marty Gregg View Post
Robert, if I understand lithium batteries correctly, they don't care if they are fully charged or not, they can be left at partial state of discharge with no consequences, unlike lead acid, like Kevin said, you have to change your way of thinking when dealing with lithiums.
Yes, I am aware of the charging requirements for lithium batteries.

It's probably easier to just say, to each their own. Personally I don't want to be away from my coach all day, come back and find out the batteries disconnected, and my fridge shut off. Whether it's lithium or lead acid, my opinion is the same.

My coach is set up with automatic redundant operation, just like my house. My power never fails.
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  #80  
Old 06-27-2015
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In the last few months my Lith battery has worked well,it charges fast,and has had no problems keeping my coach happy all night long.

I have been in the coach for almost 2 months now,using the battery everyday.
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