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Thank you .

I would like to upgrade my current battery bank. I have 12 lead acid golf cart batteries wired in series and parallel. 8 volt batteries creating 2 sets of 48 volts. Lithium has been coming down and I have seen buy one get one on batteries. My inverter and charge controller will support lithium...

We have a 4000 watt solar system with 48 volt battery back up and a 22KW back up generator. Radian GS4048 with Mate3 control module and Genrac. System works as designed and planned. Power failure, small parts of the house is run by battery back through a sub panel. When battery back gets low...

Thanks again sunshine for confirming.

Good morning Sunshine. Still looking for panels. Based on what you said above, I believe I have found 4 panels to as close as I can to current panels. Old panels 39.61 volts, new panels 40.3 I believe the IMP is 9.44 old and 9.7 new. It is less than 2% difference. Will you take a look...

Thank you RC for the reply. I think the current set up is fine. I was just wanting to run the generator in manual so we could have water. Installer suggested to not put my well pump on the subpanel/batteries since our priority was refrigerator and freezer. He thought we would not have the...

Thank you both for reply. 12Volt - My Outback Radian is 4000 watt 48 volt DC - 240 volt inverter. My generator is 22,000 KW. I have a 48 Volt battery bank. RC - I paid a solar electrician to wire correctly so I can't speak to AC input. It is a Generac 22,000 KW. It is set up similar to what...

We currently have a grid tie system with battery and generator back up. Radian 4048 and Mate 3. The settings are currently if the grid goes down, to use the battery capacity to approximately 42 volts. Then the generator is started to charge the batteries. I have a sub panel with specific house...

Sunshine. Happy US Memorial Day. still looking for a new string. I have about 1250 watts left on my 4000 watt inverter. I am finding panels for 37 volts. Current panels are about 39. I am sending about 150 volts to a combiner box. Will the lose be significant if I add 37 volt panels? I am...

Sunshine I am having trouble finding panels that are close to current panel specs. I am trying to understand your last help. What if I found 320 or 350 watt panels with 9 + amps and 37+ volts and just lose the watts? I believe you said system would operate at the lowest rated panel which would...

Sunshine you are correct I relooked at my solar diagram. Final question. What are my limits on additional panels? As long as I stay below 3780 do I need to look for 39 volt panels and 9 amp but a different panel wattage. Just not sure I will be able to match the panel stats I thought I had...

Goal is total 12 panels

Sorry I have two strings of 4 panels 2S and 2P For a total of 8 panels I have a midnite solar classic 200 feeding a Radian GS4048A grid tie up inverter I put the panel array through a midnite MNPV6 PV combiner box currently using two breakers but have an extra breaker and spot in the box for...

I have 2 S and 2 P going in to combiner box 156 volts twice 156 to charge controller I believe 200 limit into inverter I was hoping to do one more set of 4 into one more combiner box breaker to get another 1260 watts for a total of 3780 watts Hope that is enough info Thanks

I have a grid tie system. I have 8 , 315 watt panels on series and parallel. I run them through a combiner box. I have an extra breaker in the box and I would like to add 4 more 315 watt panels. I have a Radian 4048 grid tie inverter, Is that possible if I find the same panels. 315 watt 9.4...

I also have similar requirements refrigerator , two freezers, a water heater, and the 240 well pump various lights and small appliances I will use off and on as power permits. I would like to grid tie just to reduce utility. I really want grid down power. I have 8 - 315 mono 39 volt, 9.4 amp...

I was planning on 4 panels, so about 1240 gross watts. Was thinking 24 volt battery out put and I do need a 240 AC volt out put to run a well pump. My real question the 39 volt out put. A charge controller can take a large range of input voltages? Thanks

So I bought some used panels with a 39.61 open voltage circuit 310 watt. Do I use a 24 or 48 volt battery bank. Also, how do I size all components? Charge controller, battery bank, inverter, and fuses. This will only be for back up power and maybe run a refrigerator and freezer just to use the...

I ran the pump with a 30 Amp generator when the power went out with no problem if that helps

Thanks for the help 310 W Open - Circuit 39.61 Voltage at Pmax 32.64 Short - Circuit Current 9.98 Current at Pmax 9.44 Max System Voltage 1000 Fuse rating 20 I believe the Well Pump is only 1.5 HP it is only about 150 foot well I will see if I can get the values off the pump tonight.

Good day. I am very green to solar but found a good deal on used panels where out put was as the tag stated. I have just purchased 8 - 315 Watt Mono solar panels 24 volt out put. My goal was to create a back up power system. Panels, charge controller, battery bank and a 240 volt AC inverter. I...

We have a automatic transfer switch we installed when we had our breaker box updated. It has a twist lock plug on a cord that comes from my generato. I assume it is 240 volts because I can run my well only Off the generato. I want to use solar as backup vs generator and use the same transfer...

Thanks for the reply. I am still in the planning stage. I searched inverter above and it said 10,000 surge. $2200 I do have a transfer switch. It is a genrac automatic. We were planning on buying a backup generator. Currently use 5500 watt generator so i have to throw the transfer switch...

Disclaimer: I am not in anyway knowledgeable about electricity. I have seen Will’s video about a all in one board and will buy or pay an electrician. I have a couple of questions about feasibility and planning for a backup solar system. We live in the country. We live on a well. I would like to...