Most reacted posts

I have a similar situation where I have a cabin in the Colorado mountains that is unoccupied during the winter. I am currently building a tiny greenhouse/hot box, just big enough for the battery and a little insulation behind it, where I'm going to set my battery inside the cabin in a South...

Thank you for your "constructive" criticism on the quality of the panels I bought, however, since: A. I already bought them. B. I knew when I bought them that the solar installation company was selling them because they were not meeting spec. C. I got them at bargain basement prices. D. They are...

System: 3kW Stackable 48V 150VDC 80A Off-Grid Inverter by Growatt Used Axitec AC-410MH/144V Panels (quantity 4) 48V 100AH LiFePower4 Battery by EG4 (Does not matter for this question, but including it anyway) I have a small off-grid cabin and am building my first system. I thought all my...

rmaddy, thanks for the quick reply. I bought the Growatt Inverter from signature solar, and on the page for the controller, there is a video () where they talk about the VOC needed to charge the battery, and specifically mention that 80 VOC is needed. I am definitely new to solar and am not an...

The charge controller actually does have an automatic shut off, but from what they say, it's best not to hit it too hard with voltage spikes. They say over time that will shorten the life of it, so it is better just to not get close to the range. The problem with running three different solar...

I am using a 3kW Stackable 48V 150VDC 80A Off-Grid Inverter by Growatt, which has a Maximum PV Array Open Circuit Voltage of 145VDC. My panel array sits about 110-125V most of the time, but I had one time where there was a cold sunny day where it spiked above 145VDC and triggered a fault in the...

I looked into wiring my 4 panels as 2S, but unfortunately, the Growatt also requires a minimum of 80 VOC to charge the battery. If I split the panels, then I won't reach that. Buying additional panels and wiring them all as 2S would definitely solve that issue, but for my small off-grid cabin...

Here is a link to the Growatt inverter. The stats state 60V, but if you watch the video below, he comments on the 60V/80VOC requirement: https://www.signaturesolar.com/products/3kw-48w-150vac-80a-off-grid-inverter-by-growatt?ref=cPwLcVc0SW-BjN Here is a video by signature solar where they...

The panels are tricky. They are Axitec AC-400MH/144s, but I bought these panels from a solar installer that was selling them because they didn't meet manufacturer guaranteed specifications, so they did not put them on to the array they were building. I do not expect these to reach the max VOC...

Stated on panel: VOC: 48.81 Vmpp: 41.12 Using my multi-meter on individual panels, I have been getting right about 30-35 VOC, give or take a few. A few weeks ago, on a very cold morning, I remember hitting 40 one time.