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How do you test that an inverter is outputting properly with a multi-meter? I finally got my Xindun Power LSM-30248 up and running and am getting a ground fault indication on my car charger. Now the seller on alibaba seems to be ghosting me. This is for American Split-phase power. I have 110v...

I am putting 8 panels (at 2S for 8 conductors + ground) on my roof. I want to run them through about 10 ft of conduit into the garage. I have a roof-penetration flashing that can handle the 1" emt conduit, but how do I actually run the 9 wires into the conduit in a weather-tight way? I have...

I recently purchased 16 cells for a golf cart project and decided to switch from one BMS to 2 in series. I disconnected one batch of 8 and brought them inside they are perfect. The batch I left in the garage are completely discharged and destroyed. They had balance leads and 1ft wires but...

This will be my build thread for my off-grid 48v system on my garage roof for backup and charging my electric car. My roof area is about 25'x 25' which should fit 8 72-cell panels nicely. I planned the racking with Unirac Ubuilder. I purchased my 3kw all-in-one (xindun LSM-30248) before I had...

NKM-6KW I was looking at a sigineer 3kw and an epever 40a when I came across this option for a low frequency all in one at a price that seems too good to be true (3kw for $720 total and 6kw for $1,055 total) but I can't find any discussion of this model. I have attached the manual and it looks...

I am planning on putting 500 or 600w of solar on a shipping container with an Mpp Solar 1012LV-M and 4 Coslight 150ah lifepo4 cells. I am also converting a 36v golf cart to 48v (16 of the same cells) and will be parking in the container. The obvious way to charge it is an ac-dc charger mounted...

I picked up a 24v 30a dc-dc buck converter to drive a pond aerator (100w) off of a solar panel and inverter without batteries. The solar panel had 22.1v the buck converter showed regulated 12.2 out. I plugged it into the inverter which beeped, saying it turned on and then nothing. There was no...

I just picked up a 36v golf cart that I want to convert to 48v and maybe turn into a mobile battery bank for a home system. The battery compartment is rather partitioned as you can see in the photo. The two long sections are each about 8" X 20" which is a very inconvenient size for the cells I...

I am noticing on Alibaba that similar cells are offered with either threads or 1 cm posts. Threads allow you to bring your own screws for any length but I've heard that people are stripping them out. Are posts more resilient? Is 1 cm long enough? Am I overthinking this and it really doesn't matter?