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Custom 6x20 watts solar setup with MPPT
(Preview)
I didn't have the room for a solar panel to take over the car so custom built a 120 watt panel. 6 x 20 watt Projecta panels, Victron SmartSolar 75/10 controller, 3 x 26 AH gel batteries squeezed under the seat & on the transmission tunnel. All I am running is a 28 litre fridge & charging the phone &a...
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Whenarewethere
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3
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101
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connecting portable panel leads
(Preview)
My portable 80w solar panels have the controller attached to the back, permanently wired to the panels & with about 4 metres of cables to connect to a battery with aligator clips - I want that to remain even though I realise it could be made more efficient as I use them in the campervan & at home f...
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daffyfrancis
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2
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105
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disregard
(Preview)
disregard -- Edited by dazz49 on Sunday 13th of January 2019 06:49:18 PM
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dazz49
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91
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Using two controllers
(Preview)
Hi all .( Gurus') I was reading on another site of a fellow who had 2_lots of 250 watts of solar being fed into his battery bank with 2 20 amp controllers. I am wondering as to the efficiency of this setup or whether it would work better with the 500 watts of solar feeding in to a one larger amp controller....
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dazz49
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11
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201
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Ideal Diodes and Primer on Solar Charge Controls
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(Preview)
I found this primer. The author provides several circuit examples. A Primer on Solar Charge Controls: https://www.electroschematics.com/10679/primer-solar-charge-controls/ I also found this 30A PWM regulator: [url]http://oatleyelectronics.com//product_info.php?c...
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dorian
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49
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836
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Arguments on solar anything
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(closed)
(Preview)
I submit that this sub forum is now dead due to intervention and antagonism between two regular posters, and because of this should now be reformatted with very close supervision from the moderators to ensure future enquiries do not get swamped by EGO. Alan
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Brenda and Alan
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44
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1213
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Solar batter charger noise
(Preview)
I have a projecta solar battery charger in my new caravan, it is making a noise like an electronic bomb dropping in a children's video game, can anyone tell me what this means. Thanks again for all your help
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not so grey nomads
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22
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517
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Cable square area, compared to fuse or diode square area
(Preview)
Can someone explain, in layman speak, so that I can understand it, please We are informed that 12VDC cable should be a minimum of six square millimetres area, and that larger square area is better, for less voltage loss A normal 12 volt 30 amp blade fuse has a much lower, (never measured it), square are...
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Tony Bev
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23
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762
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Misinterpreting battery volt readings from solar panel
(Preview)
I am unsure if I should say, egg on my face again/some mothers do have them, or do as I say, and not as I doI was in a free camp for three days with some cloud cover during the dayEach morning just before dawn, I was reading 12.4/12.5 at the el cheapo ciggy socket volt meter, of the house/leisure (2 x 120 AH) AGM...
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Tony Bev
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16
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701
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Best reversing camera for a Ducato
(Preview)
Anyone had one fitted aftermarket? Any recommendations or disappointments? Seems a few on the market, Dometic, plus one just labelled 5.8" caravan and another 7" motorhomes. Heard mixed opinions on wireless ones. Advice appreciated.
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Vida
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2
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293
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Blocking diodes in parallel
(Preview)
I am not an electrician, and have come for advice, and not to start a flame war I have a theory, that for the average layman, such as myself Two lower amperage diodes in parallel, will not allow twice the amps through I had problems trying to force 23 amps through 2 x 15SQ045 blocking diodes, as either my 20...
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Tony Bev
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12
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522
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LFP IN COLD WEATHER
(Preview)
We are at older sons place in northern New Mexico at 8000. The temperature dropped to 9 F with 10 of snow. We put a 60 W lamp in front bay with the LFP battery suite and it kept the space above 40 F. Son ran an extension cord to fifth wheel after I whined about needing to probably run generator in morning since I...
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Reed
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6
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462
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LFP IN COLD WEATHER
(Preview)
We are at older sons place in northern New Mexico at 8000. The temperature dropped to 9 F with 10 of snow. We put a 60 W lamp in front bay with the LFP battery suite and it kept the space above 40 F. Son ran an extension cord to fifth wheel after I whined about needing to probably run generator in morning since I...
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Reed
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0
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255
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Solar controllers
(Preview)
Hi everyone. What amp controler would I need for 500 watts of solar? ie 2 x 250watt mono panels. Thanks. i looked on here but couldnt find the answer.
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Lozza1956
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4
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559
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Flexible solar panels - feed back
(Preview)
Anyone out there got any information on the durability of flexible solar panels ?, these are the ones with a fiberglass or plastic backing, and have 3 eyelets each side to attach. I am not asking about the ones that fold up into a small square, these can't be folded, and perhaps not even rolled up. They ar...
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iana
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962
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How long to charge
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(Preview)
Roughly how long should it take to charge one 100a.h. deep cycle LA battery using a 200 (72cell) panel if starting from a battery at 11.6v.
Controller is at the battery & all wires are correct size.
What is the resting voltage of a 100ah LA deep cycle battery after the surface charge has dissipate...
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Joda
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49
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1610
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I need to know ----Diode heat
(Preview)
Okay, have got two panels up and running, with the new regulator ticking away just fine. In at Altronics yesterday, and when I asked the sales person what I wanted, he did a few calculations, and advised that the diodes (2x) for the two 160w panels (4 diodes all up) should be put into a metal enclosure, th...
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iana
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9
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630
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Anderson plug for portable solar.
(Preview)
Quick question, is there a colour code for the Anderson plug (mounted on the RV) that a portable panel will plug into.
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iana
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4
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628
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Broken panel
(Preview)
hi guys found a 120 watt folding panel the other week . 1 panel was shattered . So me being dragged it back to camp wired it up and bingo works a treat . Makes what the tag says . Moral to the story dont throw away shattered panels . dibs
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mr glassies
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2
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519
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Blocking diodes between solar panels
(Preview)
Hello everyone A technical question from a layman, which hopefully may help others in the future Can someone give me a link to blocking diodes, for a 160 watt lightweight portable solar panel I am thinking of either connecting directly to the leisure/house batteries, through the portable solar pan...
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Tony Bev
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1129
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