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I’d also like to know if I can use the victron 100v 50a controller with my setup. edit According to the Victron support page, I can use this controller with a 1200 watt array.

Here is my setup thus far. Four 300 watt panels - 2s2p. -> 20 amp switch (near controller) -> controller -> 7.68 kWh battery bank 24v -> 100a breaker (near positive battery terminal)—> 24v 2000 watt Samlex inverter also will have 100a shunt near negative battery terminal for the battery...

Useful info. Thanks. I found a used Morningstar tristar 45a for $200. I’ll probably get that along with another panel. the tristar can be customized according to Trojan‘s specs.

$20 shunt and battery monitor I’ll get. https://www.amazon.com/dp/B07T8GN61Z/ref=cm_sw_r_cp_tai_q5FCFbYQ9PPYH And I already have a 100a busman breaker for the positive side of the battery bank. However, I’d rather not have to buy more batteries. The project is mainly for backup. (Which is...

This one should work for 4 panels. It has three stage charging and temperature compensatio. https://store.santansolar.com/product/epever-60a-6415an-mppt-solar-charge-controller/ It’s a 75’ run from the panels to my garage. The panels will be in my back yard. I can adjust the angle based on...

160ah - which would be 7.68 kWh. why 48v? Well I guess I was trying to make it work with one controller. They had a larger allowed wattage if you used a 48v battery. It never occurred to me that I could use two controllers. I can get another panel for next to nothing. I measured them with...

what do you think about Cotek? They offer a 48v in 2,000 watt and 2500.

I would like to get a 48v 2000 watt inverter for around $750. I can get a Samlex 24v 2000 for $600, but then it’s hard to add more panels without upgrading the controller to something really expensive. right now I have 6 x Trojan 8v batteries, and 3 x 300 watt panels. Next purchase is the...

That makes sense.

i appreciate the help. It’s a steep learning curve.

id really like to go 48v. If I go with 24v, Samlex has a 2000 watt model that’s only $800.

I see. Well, obviously I don’t know what I’m talking about. It just has to be a reputable brand.

can I run two 24v inverters in series off a 48v battery bank?

It seems that quality psw inverters are out of my budget. Can I run a deep freeze off a mod sine wave inverter? if not, can I get a pure sine for the deep freeze and run a mod sine at the same time off the same battery bank?

Also needs to be 110v. I don’t need it to have a charge function.

Anything available under $1,000? edit ill keep an eye out for something used.

I checked with a multimeter and I was getting about 38v and 8a on each panel.

60 watts idle consumption seems a little high. regardless, thanks for the suggestion.

Let’s say I have 40v 10a panels x 4. If I wire two panels in series it gives me 80v 10a + 80v 10a. I want to run just one set of cables to the controller, so I use this y connector..https://www.amazon.com/dp/B0753X68PS/ref=cm_sw_r_cp_tai_lckCFbYV862SH Now I have 80v 20a running to the...

help! I’m pulling my hair out trying to find a reputable inverter. I was leaning towards Cotek, but then I heard they were bought out and some of their products aren’t what they used to be. My budget is around $750. It seems like there are not many options out there (48v). I could go...