Sealed battery box May 10, 2010, 02:15:45 pm Yahoo Message Number: 112449I thought it was on this group someone discussed building a vented, sealed battery compartment to add some batteries behind the cab in the dinette seat. I tried searching but didn't find anything. Any ideas? I'd like to add 2 6v, but maybe plan on expanding to 4 in the future. I have an 82 22' MP (I think). Lots of time and resources, just not a ton of $$$ so looking for the best way to get this done. Just have the one 12v under the hood right now and it is due for replacement. Thanks jared
Re: Sealed battery box Reply #1 – May 10, 2010, 04:42:23 pm Yahoo Message Number: 112450Quote "I thought it was on this group someone discussed building a vented, sealed battery compartment to add some batteries behind the cab in the dinette seat. I tried searching but didn't find anything. Any ideas? I'd like to add 2 6v, but maybe plan on expanding to 4 in the future. I have an 82 22' MP (I think). Lots of time and resources, just not a ton of $$$ so looking for the best way to get this done. Just have the one 12v under the hood right now and it is due for replacement. " Thanks jared Jared, go to the home page and under "description", click on the link to "searchable archive" and search "sealed battery box" or iterations thereof. See if that gets you anything. The Yahoo search function isn't worth diddly squat.Chris
Re: Sealed battery box Reply #2 – May 10, 2010, 05:23:37 pm Yahoo Message Number: 112451"I thought it was on this group someone discussed building a vented, sealed battery compartment to add some batteries behind the cab in the dinette seat. I tried searching but didn't find anything."Jared Our 1983 FL LD came the same single small battery and needed an increase in capacity so I built a sealed battery box behind one of the barrel chairs. It was made of 3/4" plywood with a removable top and was located next to an exterior wall. The top was held down with wing nuts and sealed with foam rubber tape. For ventilation, I drilled two large holes through the side of the box and sidewall. The new passages were spanned with PVC pipe. I used either 1-1/2" or 2" pipe (it was 15 years ago). The pipes were glued into place with polyurethane adhesive plus a mechanical connection on each side. The cables were sealed where they entered the box. A stainless steel grill was used to cover the pipes where they exited the side of the body. http://tinyurl.com/2enflhk>Larry
Re: Sealed battery box Reply #3 – May 10, 2010, 06:23:31 pm Yahoo Message Number: 112453Jared, I once added two extra storage compartments to my 22' Chevy LD, below the floor level in the far rear. I ordered the doors with frames from the mothership. When painted, it looked factory installed. I bet you could get the battery door and frame from LD , sure would look nice. While at it, get the matching paint. Good luck, Doc in Blue Boy 2000 FL
Re: Sealed battery box Reply #4 – May 10, 2010, 07:49:49 pm Yahoo Message Number: 112454QuoteI thought it was on this group someone discussed building a vented, sealed battery compartment to add some batteries behind the cab in the dinette seat. I tried searching but didn't find anything. Any ideas? I'd like to add 2 6v, but maybe plan on expanding to 4 in the future. I have an 82 22' MP (I think). Lots of time and resources, just not a ton of $$$ so looking for the best way to get this done. Just have the one 12v under the hood right now and it is due for replacement. Thanks Jared, although AGM batteries are far more expensive initially, they have some significant advantages for a scenario like yours. Installed inside and NOT vented to the outside, they will not only greatly simplify the enclosure, but provide both a more benign environment for the batteries and avoid compromising your cabin separation from the weather outside. I did this with our '83 FL.Steve
Re: Sealed battery box Reply #5 – May 11, 2010, 08:10:52 pm Yahoo Message Number: 112499While I'm debating over a sealed AGM setup or a sealed, vented box, The next question is running the power now from the new batteries back to the rest of the system. I have a 12v under the hood where everything connects to. Is it as simple as running wires from new batteries back under the hood and creating some 'terminals' to connect everything to? What about fusing? What size wires should I use to run from the dinette (behind driver's seat). I guess I'm not sure how to connect everything (wires to charge from alternator, from prosyn charger, etc) maybe someone can point me to some keywords to search on if there are previous discussions/instructions. As far as size, I'm starting out small, but have hopes of going much bigger (Long term I hope to have about 300w of solar panels, and 4 6v's of battery) so I want to try to do as much in preparation of the the goal.Thanks! Jared
Re: Sealed battery box Reply #6 – May 12, 2010, 02:07:43 am Yahoo Message Number: 112512Quote(Long term I hope to have about 300w of solar panels, and 4 6v's of battery) so I want to try to do as much in preparation of the the goal. If the batteries will be under the dinette, then that is where you will want your fuses or circuit breakers, one for each connection to the battery positive. Run a 4 or 6 gauge from the battery isolator, 100A protection. A 6 or 8 gauge from the converter, or 4 gauge or larger if high-power inverter/charger, and fuse accordingly. If you have 300W of solar, that is 25A max, so a 30A or 40A fuse from the charge controller will do. Any small-draw electrical loads you run directly to the batteries should be fused each separately. Run a ground lead back to the converter panel equal in gauge to the positive, and the same as the isolator gauge to bolt to the m'home frame. Keep the battery leads from the fuses to the positive terminals as short as possible, to make sure they cannot short out accidentally.Steve
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