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3rd December 2014, 09:36 AM
#1
Expert
Advice please?
I know its been flogged to death and information everywhere - but it just confuses the hell out of me..
So I'm wondering if anyone can give the thumbs up to these or should i be looking else where?
I don't want my money to be pissed up the wall and whilst i still have it want to invest it wisely in my truck.. I want to run them through my ctek d250s dual as its got the MTTP built in..
No1.?
No.2?
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3rd December 2014 09:36 AM
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3rd December 2014, 09:40 AM
#2
Patrol God
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
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bishbashbosh (3rd December 2014)
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3rd December 2014, 10:00 AM
#3
Expert
umm.. poly you say? that link states mono?
so bloody confusing..
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3rd December 2014, 10:15 AM
#4
Patrol God
Yes some panels require twice to space to generate the same power.
EG an 80 watt panel will return in ideal conditions about 4.5 AH thats a big panel too
100 watt may return about 6 AH
, to me there is a point where the panel is too big for the return, weight wise and size wise.
work out your usage that will determine your battery size , now on daily usage taking into account 6 hrs
of daylight a day,{includes rainy days] but most use a folding panel up to 180watt but $200 should get you a decent panel with 25 years warranty
on power out put.
Ill be buying that one in the link and wiring it the same as Bob has
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
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bishbashbosh (3rd December 2014)
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3rd December 2014, 11:11 AM
#5
Expert
so all i really want is to power my 45lt Engel, USB Devices (when low on battery), and lights at night when stopping in one spot for 3 days or more - Other than that my needs are quite simple. I'm going to drive do my first real drive - on my next break i want to drive to Uluru and back over 8 days and will be using a swag and gas stove. will store the panels in the back when not in use..
i going to purchase a portable solar panel using an anderson plug for the connection between my panels and ctek to keep my full river 105AMP topped up.
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3rd December 2014, 11:49 AM
#6
Patrol God
Any of the folding panels will suit your needs and being outback sunlight should not be a problem.
I wouldnt buy a folding 180 watt panel as it just too big too heavy as well. anything from 100 up should do the trick IMO
http://www.ebay.com.au/itm/12v-100W-...item19f3f74b87
got my terms mixed up earlier, about the mono and the poly what you need to avoid is the amphoris
why not store the panel on your rack so its working all the time??
Last edited by threedogs; 3rd December 2014 at 12:00 PM.
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
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bishbashbosh (3rd December 2014)
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3rd December 2014, 12:12 PM
#7
Expert
i've thought about the roof rack but need to work out space - think it'll be easier to just pull them out though during the day..
just need to learn how to pull the MTTP stuff off and connect to my ctek now - will use 8B&S cable that i have and it will run no more than 5 metres so that should reduce any voltage drop - my ctek is about 1 metre from my aux battery. will go with 120 just to get that little extra if i need it..
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3rd December 2014, 12:15 PM
#8
Patrol God
I have a 140W Solar Panel which I charge a 100AH Deep Cycle Battery which drives a 55L Fridge/Freezer.
This configuration easily keeps my Battery charged during the Day.
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bishbashbosh (3rd December 2014)
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3rd December 2014, 12:24 PM
#9
Patrol God
Sounds good better to have a little more to cater for days when not much light is available.
Not sure of the wire size Bob used but it was available from JayCar I think.
I'll be going the folding 120 as well, running basically the same as you
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
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bishbashbosh (3rd December 2014)
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3rd December 2014, 12:24 PM
#10
Advanced
It's MPPT (Maximum Power Point Tracking)
I've run an 80W panel through a different MPPT product (not ctek) and it does fine with a 47L ARB in HOT weather (>38C daytime temps). Mono or Poly doesn't make too much difference, though Mono tend to be a bit more efficient (so somewhat smaller panels for same output) - though I wouldn't sweat it either way.
I have a 105 AHr aux battery and it's a good choice to run a fridge and other gadgets. All my 12V outlets, radio comms etc are always live from the aux battery.
So, a 100W or 120W panel will just let you deal with marginal solar conditions (clouds, trees, hills etc) or opening the fridge often to get to the beer...
Make sure your ARB is shaded as much as possible and also keep its vents clear so it can radiate heat as much as possible. That will help fridge efficiency (duty cycle).
cheers,
george.
US: '97 S/C 1FZ 80 Cruiser White, locked^3,sliders,arb,kaymar,m12000,dual bats,King Remotes front/Radflo Remotes rear,LEDs,etc..... ki6ibx
OZ: '80 T/C SD33 MQ Patrol White, locked F/R, rack,sliders,arb,tyre carrier,8274,dual bats,LEDs,etc....
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bishbashbosh (3rd December 2014)