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Old 04-06-2016, 09:29 PM   #1
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Adding Two Batteries To The Legacy Batt Bank

Adding solar to our MH also required adding two more batteries (total of six) to our Legacy's battery bank. Tough since there didn't seem to be enough room and the compartments next to the batteries were non players. My answer was to add a shelf that I made of aluminum. The requirement was basically that it could handle about 130 pounds of batteries. The space between the batteries and the new tray is about 3 inches and would be a pain to service so we are going to switch to AGM batteries.
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Old 04-07-2016, 01:25 AM   #2
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Hi, do you have any build plans?
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Old 04-07-2016, 08:16 AM   #3
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Builder Plans.

Let me clean up my design and Ill post the plans. Things got a little complicated and some mods had to be made I'll try to get them out today or tomorrow.
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Old 04-07-2016, 01:01 PM   #4
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Battery shelf plans

Here is a quick sketch of my design I used to build my battery shelf. I will post the parts list and instructions soon.
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Old 04-07-2016, 04:36 PM   #5
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So why do you have to add batteries? Are they going to be in the existing bank, or isolated and switched, or?
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Old 04-07-2016, 05:57 PM   #6
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The solar system we are adding requires 6 batteries to give us the storage we require.......along with about 1000 watts of panels. But that means we have to replace all of our coach batteries so they are all the same age and rating. The battery compartment on the Legacy just isn't long or wide enough for all six. I was concerned about the venting with two more batteries in that compartment but I have been assured that it will not be an issue.
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Old 04-08-2016, 10:56 AM   #7
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Quote:
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The solar system we are adding requires 6 batteries to give us the storage we require.......along with about 1000 watts of panels. But that means we have to replace all of our coach batteries so they are all the same age and rating. The battery compartment on the Legacy just isn't long or wide enough for all six. I was concerned about the venting with two more batteries in that compartment but I have been assured that it will not be an issue.
Wow, nicely done. I didn't go with quite that many solar Watts just because of the battery issue, has not been a problem for us so far with one year travel under our belt. Just curious, what controller did you use?
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Old 04-08-2016, 11:22 AM   #8
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My wife wants to get out in the styx for days at a time so we had to have some system that would allow us to do that. We knew almost nothing about solar so looked to a solar expert that we found on here to help us out. He made all the suggestions and to be honest we haven't really gotten it all together yet but looking forward to giving her a test run soon. The controllers we are using are the BlueSky 3024IL and the IPN pro remote. Each controller can only handle 650 watts so we have to use two of them.
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Old 04-08-2016, 04:16 PM   #9
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My wife wants to get out in the styx for days at a time so we had to have some system that would allow us to do that. We knew almost nothing about solar so looked to a solar expert that we found on here to help us out. He made all the suggestions and to be honest we haven't really gotten it all together yet but looking forward to giving her a test run soon. The controllers we are using are the BlueSky 3024IL and the IPN pro remote. Each controller can only handle 650 watts so we have to use two of them.
Same controller I used, I did my own system. I am only using one controller but pushing it to the max. Anxious to see how yours works out. We attend bluegrass festivals, always dry camping. So far no issues. The residential fridge has not been as big of a deal as I thought and we make good use of our Auto Gen Start. As long as the sun is out, our 600 watt system more than covers our use during the day with a little left over. An hour or so with the generator in the AM and we recover from the night even with using the furnace. Last festival we were out 7 days, used only a couple gallons of diesel total for the generator.
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Old 04-08-2016, 05:05 PM   #10
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Weight of extra batteries and why not use L16 Batteries?

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Here is a quick sketch of my design I used to build my battery shelf. I will post the parts list and instructions soon.
This is a nice job. I've also thought about adding battery capacity, and have one idea and once concern, so I'd be interested in your thoughts or information on these.

1. L16 batteries are industrial batteries (for floor sweepers, I think) that have about the same foot print as golf cart GC1 batteries. They are also 6 volts, but they are 16 to 17 inches high. Four of them would get you to about 780 Amp Hours, versus about 400 for 4 GCs. And, you can get them in AGM or flooded. That would save having to build the shelf,

2. Are you concerned about the extra weight? Is the battery bay strong enough to handle it? I have asked Forest River if our Berk 34QS battery bay will handle 500 pounds of weight, as in the L16s, but haven't heard back yet. Did you do any reinforcement?

–Gordon
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