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Two 12v batteries in parallel charged from 2 sources
(Preview)
Hi Im in the process of installing solar panels on my van. I'm replacing the existing battery with 2 new 100amp batteries. My question is can I leave all existing wiring and charging to the original battery position and then connect the solar through the solar controller to the second battery and conn...
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River rob
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15
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1954
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How many 'watts' will a 30amp controller cope with?
(Preview)
Gday... I have a 120Ahr battery fed by two 80watt PV panels through a 30amp controller. Given how I camp, this is quite adequate for my needs. On sunny days, even in Victoria's winter, the battery is back to float (13.4V) by late-morning/early arvo. Even on overcast days I am able to get at least three d...
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rockylizard
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28
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4248
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US Caravan Manufacturers going to LFP
(Preview)
We have written earlier about having a solar autonomous 5h wheel: 11 m long with 1420 W of solar and 9 kW-hrs of LFP. We just returned from 14 weeks in Mexico and realize that we need a small adjunct for our travels. There are a lot of places that we should like to visit in Mexico, Beliz, and Guatemala, as wel...
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Reed
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25
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2174
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Power surge
(Preview)
had a power surge today 55% in batteries at 730 full by 1145 . 400 amps lithium dibs
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mr glassies
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7
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1359
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total solar confusion
(Preview)
have just joined the forum, for a lot of reasons, but mostly to try and get some clarity on solar systems. My needs are very simple, I just want to have a fridge for trips of over 3-4 days max 2 weeks away from mains, I may need to charge a laptop at a later stage. But I dont need power for lights or showers or mic...
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nuby
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16
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4928
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Solar voltage output
(Preview)
Hello all, I have a portable set of 160 panels, the question is what amount of volts should be going to regulator ? I'm reading 14.3 in winter cloud free sun light. Regards Burgo
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Burgo1
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13
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1825
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5W Solar Panel direct to vechicle battery?
(Preview)
Gday... Can I safely connect a 5W solar panel without a regulator directly to my car battery permanently without causing any issues whatsoever? Or what are the problems I'm going to encounter? cheers - John
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rockylizard
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6
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1516
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2 x 100amp 12v batteries - questions
(Preview)
I have 2 x 100amp batteries in my van - wired + to + and - to - - ie to give 200amp 12v. Q1 - Should the onboard battery charger and the Solar Panel regulator be connected to the one battery or + on one and - on the other? Q2 - Would it be better to have a DC to DC charger between them rather than hard wired? Thanks Gle...
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Treecrest14
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8
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1504
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Good article on Solar Panels in issue 238
(Preview)
Good article on Solar Panels in issue 238 Caravan & Motorhome mag. Check out their website and look for issue 238 - http://www.candm.com.au/
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Treecrest14
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17
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1992
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Permanent or not?
(Preview)
Hi all Just a quick question. I have one of those small 1.5amp solar battery trickle chargers to keep up my van battery when it's parked at home. With no 240v connected to the van, but all wiring still on the battery, will it harm anything leaving the little solar charger on all the time? Or should I disco...
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Dave Jezza
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6
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1409
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Solar repairs ??
(Preview)
Hi All Wondering if anyone has had to have repairs, additions etc in Townsville or Mackay? We seem to have a problem with - maybe - the regulator. Not sure Kim
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gandk
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1
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1071
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Lithium so up and running
(closed)
(Preview)
well my 400 amp lithium pack is up and running taken a wile but it's alive now.
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mr glassies
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24
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2334
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Overcast weather & power useage
(Preview)
If my batteries have a rested voltage of 12.8v & I connect the solar panel on a cloudy day, the regulator then shows 13.2v (not enough to charge or reach float v) & I connect a light load with the regulator still showing more than 12.8v does this mean that I am not discharging the battery but onl...
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daffyfrancis
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3
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1197
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Caravan covers
(Preview)
Hi all. I have just put a 200w solar panel on my caravan roof. Question is will a caravan cover scratch or damage it in any way ? When the wind blows you often see covers lifting and moving. Just thinking of options and precautions..
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Colin Penrose
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2
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1339
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solar panels on roof but dismount as portable on site? is this a practical option?
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1 2
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(Preview)
Re deciding what strategy re solar panels, i.e. mount on caravan roof vs portal ones, is there in fact panels that lend themselves to mounting onto the roof for when at home and traveling, but easily removing for use as portable when at a camping site? Anyone do this? If yes, any advice re which panel...
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mixedup
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32
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3983
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6mm cable size
(Preview)
Hi Fellow Gromads I have been recently online to buy 6mm electric cable to run a 5mt cable from my caravan battery to a socket for my Waeco cfx40 and the wide range in prices leads me to the suspicion that some descriptions might lead me astray. Is 6mm2(thats cubic mm) the same as 6mm thick wire? I have bee...
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maroon13
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14
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12133
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solar panel height.
(Preview)
Hi guys, a few of us were free camping at the weekend when I noticed the solar panels on the other vans were raised about 1/2" off van roof, my panel is mounted hard on the van roof. one of the guys said that I would be losing efficiency another said not, its an easy job to raise it but do I need to ?. on another po...
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Bass
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12
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1950
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Brake Safe Monitors
(Preview)
Hi all, I've been reading up on these monitors for caravans that need a brake safe installed, apparently if you live or travel through NSW you need a monitor installed into a position that the driver can see and hear warning that the battery for the brake safe is sufficientently charged (what they are s...
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WoolgoolgaRob
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1
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1075
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Will a second battery double my storage?
(Preview)
Hello all i have a 120watt panel on the roof of my new manta ray van and a 100 hour battery, my question is if I get another battery will I get 200 hours of storage? all I need is a very simple answer, I understand it will,depend on what I use etc but just keep it simple. Brett
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Shogun
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14
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1734
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solar panels
(Preview)
Hi people, i'm just looking into portable solar panels and it's getting a bit confusing, should i get foldout ones, solid ones, attach them to the van ones 200w,160w,120w the list goes on!! need some advice please.
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fokesy
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10
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1820
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