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| Re: [GMCnet] lithium Iron phosphate battery [message #301072 is a reply to message #301056] |
Tue, 24 May 2016 17:47   |
kstockwell
Messages: 367
Registered: May 2016
Location: Putney VT
Karma: 4
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Senior Member |
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I meant to put this in the thread for lithium batteries but I don't know how the mail part of this works
sorry for the duplicate thread.
Regardless, i'm interested in what folks think of this battery unit. Could it replace a generator?
Cheers
kelly
no GMC yet but soon
1978 Kingsley
Putney VT
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| Re: [GMCnet] lithium Iron phosphate battery [message #301073 is a reply to message #301072] |
Tue, 24 May 2016 18:04 |
Justin Brady
Messages: 769
Registered: April 2015
Location: Bell Buckle, TN
Karma: 11
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Senior Member |
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Kelly,
You'd be much better off getting a solar controller and a set of panels to charge the house batteries you already have.
A lot more power and a lot cheaper.
That power box thing is just a jump on the bandwagon for renogy trying to compete with the goal zero stuff (also overpriced and dumb imho)
The battery tech is interesting, but give it a few years and they will be available and you can just toss them in the system you've already got.
I just did a write-up on how simple solar is on my website. Thegmcrv.com
Justin Brady
http://www.thegmcrv.com/
1976 Palm Beach 455
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| Re: [GMCnet] lithium Iron phosphate battery [message #301089 is a reply to message #301073] |
Wed, 25 May 2016 07:01 |
kstockwell
Messages: 367
Registered: May 2016
Location: Putney VT
Karma: 4
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Senior Member |
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I've been using a 100watt Renogy solar panel for a few years now. It does keep the batteries charged up nicely even with a half a day of sun. We were in Maine half in the trees for a week, didn't need the generator once (dry camping at a festival).
My current camper is a newer itasca nation (sprinter chassis). The biggest drain on that was a 12V solenoid to hold open the LP flow. I ended up emptying the LP tank (using most of it but venting the rest, very carefully) and putting in a hand valve. It was a 1amp draw to hold the valve open- with that drain gone, I was good for a week.
I'll read up on your article about solar and batteries. For my next set of batteries I'm thinking of 6V golf cart batteries. My problem is I drain the batteries lower than I should; so I'd like something I can run to 20% use. I'm certainly interested in any batteries that can tolerate that
kelly
no GMC yet but soon
1978 Kingsley
Putney VT
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| Re: [GMCnet] lithium Iron phosphate battery [message #301091 is a reply to message #301089] |
Wed, 25 May 2016 08:14 |
Justin Brady
Messages: 769
Registered: April 2015
Location: Bell Buckle, TN
Karma: 11
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Senior Member |
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Yep,
That's the coolest part about the new battery tech.
The other cheaper option is to just add more batteries. If you drain to 25% now, if you double capacity you'd only drain to 50%.
Toss 2 more 100W panels on the roof and you shouldn't have a problem.
The problem with being an early adopter on new battery tech in my opinion is that you're basically being the beta tester for the battery company. They haven't tested these new batteries for more than a year or so (the technology is too new), so they ultimately can only guess what they are going to do in the next 10, and they want you to find out for them.
Justin Brady
http://www.thegmcrv.com/
1976 Palm Beach 455
[Updated on: Wed, 25 May 2016 08:14] Report message to a moderator |
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