Solar considerations on a 21; Where to locate Batteries - Page 3 - Escape Trailer Owners Community

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Old 02-14-2015, 01:58 PM   #21
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Originally Posted by craiginpetaluma View Post
Maybe Reese couldn't' put 4 on the curb side because of space restrictions not weight. With the heater moved……..Maybe.
I believe that the 21' furnace is (or was) on the street side, not the curb side. As I recall, the curb side has the power centre (converter, breaker panel, fuse panel)... which could be a space restriction.
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Old 02-14-2015, 02:24 PM   #22
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Depends on whether you have a U-shape dinette. Ours is on the back bench towards the driver's side.
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Old 02-14-2015, 03:07 PM   #23
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Help with solar question. What does the stock Escape solar panel wiring look like underneath the panel? Is there a connection between the panel and the wire into the trailer than can be opened? I'm wanting to add another panel and need a joint where I can use the mc4 "Y" connector to connect the new panel and then push the joint back under neath the original 95 watt panel on the roof?
Jim the panels have a box attached to the back and then a pair of wires exit that box and are generally 4' to 6' long and have permanently attached MC4 connectors on them. From those you connect to what you want. To add a panel to your trailer where you already have MC4 connectors at the point where the trailer wires connect to the panel wires, you will add the MC4 "Y" connectors and then connect the second panel there. If the panel wires are too short from the second panel you can purchase short MC4 wire sets to bridge the distance.

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Old 02-14-2015, 03:48 PM   #24
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So, do I have to remove the stock panel or just pull the wires out and look for the connection? Thanks for your help.It appears to be some wire coiled up underneath and then zip tied to panel. But I can not see as the space is limited underneath.
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Old 02-14-2015, 03:49 PM   #25
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Yes Lithium power to weight ratio is outstanding. AM solar told me 3-4 times the cost per amp hr up front, But predicted life span is 3-4 time longer. But I can't find any real world stories to back up these claims of life expectancy. Maybe because they have been around for very long. With good battery management one can get 7-10 years from a lead/acid battery. Still, very expensive to save some weight.
Here is a post by Chris & Cherie of Technomadia (currently traveling in a converted bus, but previous owners of a T@b & an Oliver) on their experiences over 3 years with a Lithium battery bank.
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Old 02-14-2015, 05:03 PM   #26
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So, do I have to remove the stock panel or just pull the wires out and look for the connection? Thanks for your help.It appears to be some wire coiled up underneath and then zip tied to panel. But I can not see as the space is limited underneath.
Just cut the zip ties and pull the wires out. You will see the connectors.
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Old 02-14-2015, 06:08 PM   #27
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Just how restricted is the access to the batteries under the dinette? Once in place Wouldn't I only need to add water on occasion ?
perhaps ask Reace to prewire for a second panel..

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Old 02-14-2015, 06:52 PM   #28
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Fascinating read Jon. Thanks much.
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Old 02-15-2015, 02:26 PM   #29
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Here is a post by Chris & Cherie of Technomadia (currently traveling in a converted bus, but previous owners of a T@b & an Oliver) on their experiences over 3 years with a Lithium battery bank.
Very informative. Thank you
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Old 02-15-2015, 04:52 PM   #30
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Here is a post by Chris & Cherie of Technomadia (currently traveling in a converted bus, but previous owners of a T@b & an Oliver) on their experiences over 3 years with a Lithium battery bank.
The most significant point I get from this report - aside from the obvious importance of temperature (which wasn't so obvious to them) - is that a lithium battery should be one bank of whatever cell size you need to get the capacity you need without any parallel connection. To match the performance of a lead-acid 230 amp-hour 12 volt (nominal) set - such as the Escape dual 6V option - that would be four cells of about 150 amp-hour capacity (using their 5:8 capacity ratio), connected in series with each cell separately monitored and managed.

AM Solar doesn't have 150 Ah cells - it seems they only have 100 Ah - so if you go with them you go bigger and have paralleled cells (with potential balance issues) with their 200 Ah system for US$1900, or settle for less capacity with their 100 Ah system for US$1200.

To match a setup of four 6V batteries, it would take a 300 Ah system (with even more balance issues), for US$2600.
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