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I'm going to be testing a few different 100ah batteries....Specifically, I'd like to test that they can support a constant discharge of 100 amps. I could hook up a large inverter and plug in a few loads but I was wondering if there is a better way. I could use one of these but it only goes up...

Made this video on getting used solar panels. I'd love any feed back. Thank you.

My house gas furnace(120 volts ac) has the following start up process: Step 1) small vent fan turns on and to clear out any combustion gases before attempting to light burners ( around 20 seconds ). Step 2) Burners attempt to light for 3 seconds.(Gas flowing an spark ignition) Step 3a) After...

I have the growatt 3000 LMV 48es with the following specs: Max PV Input: 4,000W Max Charging Current: 80A Max MPPT Operating Voltage 250VDC It's my understanding that going over the MPPT Operating Voltage is the biggest factor that break things so i'm designing my 4 solar panel arrays...

I have a growatt 3000 lvm 48p. It appears that my ground neutral bond screw is not doing anything. I believe if I remove the ground screw it should remove the ground neutral Bond. Also the bond between ground and neural is a weak bond (with resistance) Here a link to a video showing the issue...

I thought that you shouldn't charge LiFePO4 Batties below freezing temperatures. But I'm not sure what to believe anymore because... - this site/company says that it's possible: "When charging lithium iron phosphate batteries below 0°C (32°F), the charge current must be reduced to 0.1C and...

I am installing a bunch of panels in parallel. For simplicity let's just say I'm installing 10 100 Watt single panels in parallel. It is my understanding that I need a fuse between each parallel panel to prevent back-feeding a panel just in case the said panel has a short. Doesn't a...

The below diagram shows a 2s3p & 3p2s solar configuration respectively(at least I think that's what the configurations are called). I wired my 6 solar panels using the bottom example(3p2s) but afterwards I realized that I could wire them in a 2s3p configuration(top example). Are these...

This is a question for those who have a 6000 XP with the communication to the eg4 batteries. I have a 6000 XP. And when I bring the app up on my phone it is not showing the number of batteries I have in parallel. It's also not showing my battery capacity. Does anyone see this data on their...

I had a Growatt lvm 3000 48P and a single lifepower4 48v 5.12kwh battery. I was able to plug my 30a RV into the growatt and could start and run my Air Conditioner just fine. I could run the air conditioner with only the battery connected and no solar. 31 amps inrush current coming out of the...