Smokin Cheap China Controller ?
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Jun-30-2014 07:26 PM
2 panels on the roof now, a few degrees off the sun, and my 90 watt portable directly on the sun. I was watching the amps go up all morning, when the sun was perdy much overhead, digital ampmeter up to 14.7, I checked my $10 cheap China 15 amp controller, and it was warming up fast, maybe too much I thought, so I unplugged my portable, and let it coast at around 9 amps.
I have had such good luck w/ all the cheap China stuff,....not even 1 failure out of 10-12 items. So I ordered a new 20 amp controller, exactly the same brand as this 15 amp. Trouble is, it on a slooooooow boat from China. And for some unknown reason, this 20 amp was only 8 bucks, incl free shipping. This cheap stuff just seems to get better and cheaper all at the same time ! 🙂
This is the controller that coming,.....I don't know why I din't by a couple more
.http://www.ebay.com/itm/301218792237?_trksid=p2059210.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
'01 31' Rexall Vision, Generac 5.5k, 1000 watt Honda, PD 9245 conv, 300 watts Solar, 150 watt inv, 2 Cos 6v batts, ammeters, led voltmeters all over the place, KD/sat, 2 Oly Cat heaters w/ ox, and towing a 2012 Liberty, Lowe bass boat, or a Kawi Mule.
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Jul-01-2014 07:45 AM
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Jul-01-2014 06:56 AM
'01 31' Rexall Vision, Generac 5.5k, 1000 watt Honda, PD 9245 conv, 300 watts Solar, 150 watt inv, 2 Cos 6v batts, ammeters, led voltmeters all over the place, KD/sat, 2 Oly Cat heaters w/ ox, and towing a 2012 Liberty, Lowe bass boat, or a Kawi Mule.
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Jul-01-2014 06:55 AM
RJsfishin wrote:
...There ain't too many wrong roads I ain't been down.
LOL...
Me too...
:E
2013 DRV Tradition 360 RSS
LED Lighting
570W of ET Solar Panels
MorningStar MPPT 45
Wagan 1000W Elite Pro Inverter
Duracell EGC2 Batteries with 460 A-H Capacity
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Jul-01-2014 06:53 AM
'01 31' Rexall Vision, Generac 5.5k, 1000 watt Honda, PD 9245 conv, 300 watts Solar, 150 watt inv, 2 Cos 6v batts, ammeters, led voltmeters all over the place, KD/sat, 2 Oly Cat heaters w/ ox, and towing a 2012 Liberty, Lowe bass boat, or a Kawi Mule.
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Jul-01-2014 06:18 AM
RJsfishin wrote:
...So I do chuckle at the prices some pay for controllers, that live by name more than anything else.
Why use a controller at all?
Just connect the panel directly to the battery and use a SPST switch to open and close the connection, you can't get much cheaper than that...
:B
2013 DRV Tradition 360 RSS
LED Lighting
570W of ET Solar Panels
MorningStar MPPT 45
Wagan 1000W Elite Pro Inverter
Duracell EGC2 Batteries with 460 A-H Capacity
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Jul-01-2014 05:54 AM
'01 31' Rexall Vision, Generac 5.5k, 1000 watt Honda, PD 9245 conv, 300 watts Solar, 150 watt inv, 2 Cos 6v batts, ammeters, led voltmeters all over the place, KD/sat, 2 Oly Cat heaters w/ ox, and towing a 2012 Liberty, Lowe bass boat, or a Kawi Mule.
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Jul-01-2014 12:58 AM
That really must be some kind of controller, it even has this feature, "Protection from lightning strike.":B
'71 Starcraft Wanderstar -- The Cowboy/Hilton
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Jul-01-2014 12:20 AM
09FLSTC wrote:
What a concept, a simple controller to integrate with his proven Trimetric and make a great argument that 95 percent of people buy MTTP because they are told to or think they need it? After all, why would anybody in their right mind design such a system and not include MTTP? 😉
Without any details about that concept it's difficult to comment.
One thing I know is that any controller can be used with a battery monitor. Not to say that every system needs a battery monitor.
As to why they didn't make this device an MPPT, there can be one good reason - cost.
I can believe that many people decide on a controller type and brand without fully understanding these things. Though in systems over 30A - and there is more and more of them lately - an MPPT is usually the only way, or the most efficient way. Which is not really relevant to this 30A PWM. Or to the OP topic - I sense RJ picking up stones already. Though I'm myself not quire sure what this topic was about, from the beginning 🙂
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Jun-30-2014 11:57 PM
Almot wrote:
So far I only see a lot of big words and no details in SC-2030 description. Hopefully things will clear up when they will start making it. I wish them luck with their first solar controller.
Ha, I see you haven't kept up (nor have I really) They have sold hundreds already according to them but Ralph isn't a web guy so he probably has a lag in the info there. What a concept, a simple controller to integrate with his proven Trimetric and make a great argument that 95 percent of people buy MTTP because they are told to or think they need it? After all, why would anybody in their right mind design such a system and not include MTTP? 😉
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Jun-30-2014 11:16 PM
2003 Ford Expedition with 435w tilting portable/ TS-MPPT-45
750w solar , TS-MPPT-60 on the trailer
675 Ah bank, Trip-lite 1250fc inverter
Sportsman 2200w inverter generator
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Jun-30-2014 09:26 PM
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Jun-30-2014 08:17 PM
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Jun-30-2014 07:50 PM
Since I don't smoke :), and don't like anything smoking around, I chose not to use Ebay for items that are crucial for offgrid living.
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Jun-30-2014 07:38 PM
I had a spare 15 amp too, but some guy down in Quarzsite who knew I had it, begged to buy it, gave me a $20 bill for it. They were selling for $59 down there, so he stole it ! (:
🙂
'01 31' Rexall Vision, Generac 5.5k, 1000 watt Honda, PD 9245 conv, 300 watts Solar, 150 watt inv, 2 Cos 6v batts, ammeters, led voltmeters all over the place, KD/sat, 2 Oly Cat heaters w/ ox, and towing a 2012 Liberty, Lowe bass boat, or a Kawi Mule.