Solar Boost 2512iX MPPT Solar Charge Controller, 25A, 12V reviews

Displaying 1 to 3 (of 3 reviews) for Solar Boost 2512iX MPPT Solar Charge Controller, 25A, 12V
Date Added: Wednesday 14 January, 2009
I later heard from Blue Sky, and they offered me a new unit with what they hoped would have improved noise characteristics. They were right! I can now recommend the unit for marine applications without reservation. From my email back to them:


"I received the new unit on about the 2nd, and installed it a day or two later. The reduction in noise was dramatic. I simply swapped out the boosters, leaving the metal enclosure in place, and leaving the ferrite suppressors on all the wires leading into and out of the enclosure. The noise is gone on Channel 16 , and I have not noticed it on any other channel I normally use. I even was able to take my handheld radio and put its antenna against the faceplate with no interference generated on 16. You guys have a winner."
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Date Added: Sunday 01 June, 2008
After considerable research, I decided to go with the 2512iX - we live aboard a boat, and power conservation only goes so far, and we like our creature comforts.

The booster seems to do what it is advertised to do. While I haven't let the battery bank get too low since I installed the unit, I do see a 4 to 10% boost in charging current when there is enough sun to do some good. I have an A-B switch, so I can quickly compare boosted with unboosted charge current.

My big problem with the 2512iX is that it radiates copious amounts of RF energy, aka EMI (electromagnetic interference). This has made one of my VHF radios almost useless, as the squelch can not be turned high enough to quiet the receiver, and even if I could quiet the receiver at the to of the dial, I wouldn't be able to hear any other station. Most of the noise seems to be on or near channel 16, the safety channel.

I contacted Blue Sky, but beyond suggesting moving further away from the unit, and grounding the case, their answer was "that's the nature of the beast." Their entire reply is at the end of this.

I have a metal enclosure totally surrounding the 2512iX, bonded to the boat's RF ground plane. I have installed EMI suppression cores on each wire entering the enclosure as close to the enclosure as possible (~1/2 inch), and still get severe interference within 5-6 feet of the unit. Unfortunately, it will be hard to relocate the booster and keep electrical runs reasonably short - the radio has to stay at the navigation station.

Rating the unit is difficult: a 4 or 5 for energy efficiency, a 1 for EMI that was never warned about or expected.

Quote from Blue Sky:


The 2512iX has at it's heart a DC-DC power converter which can produce some noise (EMI). Whether the noise presents a problem in a given situation is very installation and application dependant. Things that can help reduce noise include grounding the 2512 case, grounding the PV module frames, and trying to the extent possible to keep radio equipment and antennas away from the solar system. If the noise has always been there this is likely the nature of the beast. If it has suddenly appeared and you have not lost a ground or incurred another noise increasing problem it is possible that the unit has failed in some manner.



We are presently working on a solution to reduce VHF EMI but do not have one at this moment. I will keep this communication on file and inform you when we determine a solution.



Regards,
Richard A. Cullen
Blue Sky Energy, Inc.
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Date Added: Wednesday 27 December, 2006
We purchased this controller after discussing our needs with Ben Farmer. On his recommendation we went with the Blue Sky Energy Solar Boost 2512iX 25A,12V 3 Stage Charger.

It has been working flawlessly for nearly a year now with our two Kyocera KC130TM, 130W, 12V Solar Panels w J-Box.

Thanks for the help.
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Displaying 1 to 3 (of 3 reviews)
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