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I'm posting this in general help to see if this a general type of issue during freezing nights. Our eg4 6000ex failed last night. I had to restart the system for the first time in almost a year of deployment. The error prior to restarting system was the fault code 51 (over current or surge) ...

Has anyone done or looked into converting existing FLA batteries on Polaris Ranger EV UTV/SxS to lithium batteries? It looks like the lowest cost "kits" are around $2800 for 105Ah 48V... that looks much better than some of the $5k to $6k kits. Wondering what gotcha's there may be..

I have an AIO with one PV input and 2 parallel solar arrays (each about 10A). AIOmppt charger is 27A max input. I also have 2 inline fuses for the 2 parallel arrays. I've seen a video of David Poz who just connect the 2 PV wires directly in the AIO's PV input. Is this a good idea? If I need to...

I've been patient dealing with Signature Solar's troubleshooting process even though I keep pointing out this is a hardware issue. Now that 2 months have passed and I tried their firmware software update without fixing the issue, their warranty department has not contacted me at all. I'd like to...

I installed a single EG4 6000ex inverter along with a rack of EG4 batteries in my garage building. I'm hoping to get some feedback/comments about these issues. 1. We found that the subpanel in the garage had neutral and ground bars/connections bonded together even though there were 4-wires...

I found the Growatt 5000es did not auto start this morning. I have the inverter set on timer to invert only during a few hours around noon. But every morning, the Growatt should auto start charging after the sun comes on. This morning, it did not start. I had to physically turn off the inverter...

Has anyone put in a solar dc pool pump w/o battery in parallel with AC pump and can share some knowledge and experience?

I'm planning on installing 18 same-spec panels on a metal roof using s-5 ribbracket and pvkit (in a 2p9s array and for the eg4 6000ex all-in-one inverter). Has anyone done this and can share your experience? What are the downsides of using such a rail-less system? It seems like a cheap and easy...