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 > Your search for posts made by 'PerryB67' found 28 matches.

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RE: Simplest battery monitor and shunt? Advice for non-expert

I'll second this one. a generic version of the Victron that works just as well at 1/5 the price, just doesnt have bluetooth. very simple install remove your negitive patery cable, run a new short one from the battery to this, then your old cable you tookoff on to the other end of the shunt. run a tiny power wire to the shunt, then find a place to dril the small hole run the wire and your done. inital setting you just enter how many AH your battery is and your off.Sorry, not even close to the information/history the Victron 712 shunt's have. A friend has one and it's just a realtime meter, with no history. It's the history that told me our WFCO delivered 21 volts to ruin our batteries. No telling how many batteries would have been ruined before realizing it was the WFCO. You get what you pay for. Enjoy, Perry
PerryB67 12/15/21 03:04pm Tech Issues
RE: Setting up Solar on my Moho

Friends of our purchased a used 28' Tiffin two years ago. It was massively upgraded. I know they have four Lifeline AGM's in one bank with 600 watts on the roof, and another bank with another four Lifeline batteries charged by 400 watts on the roof. They sent me the ad and asked if it was a good buy. I responded that if they didn't buy it within 24 hours we would. I believe it has the same wheelbase as our F150 and turns on a dime. Food for thought, Perry
PerryB67 12/10/21 09:41am Tech Issues
RE: Aluminum Ion Batteries

I look at lithium batteries like compact florescent light bulbs. Lithium is just an interm solution until something reasonable comes along. Enjoy, Perry
PerryB67 12/10/21 09:34am Tech Issues
RE: physical size of solar panels

I had issues with every WFCO I have had to the point where they dont even leave the RV ot now, part of the deal is they throw it in the garbage and install a PD before I even take delivery.That's why I pulled the polarity fuses! We have no problems filling our batteries with 465 watts on the roof. And we watch the weather, so can easily last ten or more days with minimal solar. We just wouldn't make toast during that time. :B Enjoy, Perry
PerryB67 12/08/21 10:09am Tech Issues
RE: Not solar again ?

Duplicate post removed.
PerryB67 12/07/21 08:37am Tech Issues
RE: Not solar again ?

the higher voltage at the controler has something to do with it. Ieven find this with my 24V panel in my caper. at 7am I will be fetting between 0.5 and 1amp of charge out of the 325 watt 24V panel but my 480 watt panels (12V's in parralel) will be putting nothing out for another hour at least. so low light/shading get better preformance as the voltage that does come through is high enough to start the charge. A MPPT charger is an important part of this equasion also in my opinion.Read my post again. I find I'm getting what your talking about with today's modern panels. I also have a Victron 100/30 SCC, so that's a moot point. Perry Unisolar made panels with diodes between every cell. Wired in series parallel, they do work in leafy shade, and in rain too. There is one other currently made panel that has this feature--but they are from Germany and I have been unable to find a source to buy them from. In general, parallel is better, but with a good MPPT controller more watt-hours may be harvested.So the panels you're talking about are unobtainium. I'm talking about current panels, that are easily obtained, that the sales person at Northern Arizona Wind & Sun recommended because of their superior light gathering ability. Again, I already have a quality Victron 100/30 SCC. Enjoy, Perry
PerryB67 12/07/21 08:36am Tech Issues
RE: physical size of solar panels

Perry, You are rarity. The wfco converters rarely get to a boost voltage. 21 volts may indicate an electrical failure inside the "box".Ya Think! ;) I'm not the only one with a WFCO that went haywire. Last winter after much surfing I found one and after reading about our experience, another contacted me who had the same issue. The crazy thing is, the 21 volts was intermittent. Our original WFCO has been recycled. A member of another forum gave me their working WFCO for the cost of shipping. They had just purchased a set of lithiums and purchased a Progressive Dynamics charger. Since I pulled the reverse polarity fuses last February we haven't needed the charger. So far solar has kept our batteries full. The new WFCO unit is installed and appears to work correctly, but now the reverse polarity fuses are pulled so it only converts. Perhaps someday we'll need the charger portion, so I'll just install the fuses then, but now with an extra 300 watts on the roof, for 465 watts total, I don't think we're going to need the charger portion. Enjoy, Perry
PerryB67 12/06/21 10:46pm Tech Issues
RE: Not solar again ?

Another factor is serial panels with bypass diodes which most panels have results in better shade tolerance than parallel.Why would you have better shade tolerance in series than parallel. Nearly as good, or as good, but I don't see better, Then again, sometimes I need to be educated. Enjoy, Perry
PerryB67 12/06/21 06:13pm Tech Issues
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