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Our system consists of a a (8) 475W bifacial panels, a 48V LFP battery, a Victron Quattro 48/5000/70 an MPPT 250/100 and a Cerbo GX. Once final installation of our off grid solar system takes place I would like to power Starlink directly from our 48V LFP battery. I would like to add a Dishypowa...

I am currently commissioning a Quattro 48/5000/70 single phase unit and a 280ah home made battery before moving everything to a cabin in the woods. The only thing hooked into the L1 out are three recepticals with NO load and a lightning arrestor (which was removed for testing purposes). The...

Hello, everyone. Three weeks ago I knew nothing about solar. I've been racking my brain trying to become educated as best as possible. Just when I think I've got it all figured out I realize my setup will not work as I need it to or that there is a better way. I would like to install a DIY...

I purchase a 10A Longwei benchtop PSU from Amazon. Not only does it read a little high it is so touchy it drives me insane. I find it nearly impossible to adjust properly. Also I found the voltage seems to drift down a little over time and need to check it with a DVOM every time I switch cells...

Having only remote access for extended periods I have concerns of my battery going into low temperature protection. I'd like to have the ability to defer unused solar to heat a small space. Perhaps a long shot but is there a way to have a condition set to dump load if battery is in protection...

Looking to purchase a Deye inverter on Alibaba. Looking for recommendations please. Anyone have a good or bad experience to share?

So, It appears I am having inconsistent voltages being reported by the BMS. It's a JBD AP20S003S contactor model. The voltages at rest, measured at the cells measure exactly the same at the BMS connector to .000v while the BMS reads 6 to 11mv above the DVOM. This was measured at 98% SOC (which...

So I am currently monitoring a new inverter and 14kwh battery (with a JBD 200A BMS installed) remotely. I am experiencing some strange voltage drops on time based intervals. Readings are affected on both Quatto and shunt. The readings go back to normal after toggling the inverter 'on' from...

I've got two 280ah cells that were left for a year at a high SOC. Last night I hooked up this EB tester for the first time and was able to start discharging one of the cells using the 'Single Test'. I let it go at 20A for 20 or 30 seconds. I was satisfied this thing works so I stopped it and...

I've got a Phoenix 48/1200VA inverter with Nema 5-15R receptacle. It will be used for an off-grid stand alone application. Since there is no NG bond in the system I believe I should switch the jumper over to FJ2 and connect the chassis to an earth/ground rod.. right? Is it okay to share a...

Looking for 16s BMS let me know what to have.

I've come up dry in search results and I'm curious as to what the Load check function is all about. I've read through overkill solar manual. It says you can turn 'load check' on or off within the 'functuon' setting, but thats it. The manual my BMS came with does not seem to say much either...

Can anyone tell me if the Sun 8K works with the Sol-ark WiFi stick and the app? Or have some type of work around? This inverter seems to fit the bill but I want to be able to remotely monitor the system and possibly make changes. Thank you!

Looking for advice on type of material to mount solar inverter and mppt's etc. The interior of my shed is sheeted with 7/16 OSB which likely does not offer much support for.mounting heavy equipment. I would like to mount to a non flamable material such as cement board or perhaps 1/8" aluminum...

Hello all. Been poking around getting educated over the past few days. Very nice site looking forward to spending some time here!

So I am about to purchase 16 EVE 280ah cells from Amy Zheng along with a JBD 16s 48v 200a BMS. My new plan is to is to build a battery and use it with a Magnum Pre-wired Bundle 4400W 48v + MidNite Classic and I have two questions for you. Does this seem like a good fit? Can this somehow be...

I'd like to find a safe and simple solution to heating an unoccupied small insulated shed. I've got a bunch of 445W bifacial panels that were damaged in shipping but still work. I am wondering if I can get a small AIO inverter and hook it directly to a small heater. So basically if the sun is...

I am going to be installing an off grid 48v Quatro 5000. It is a 4000 watt inverter. It has a peek wattage of 10000v. I have calculated I could potentially draw up to 208 amps. Is this the only factor I should keep in mind when purchasing shunt trip breaker? Is a 250amp breaker sized...

I already have two loads connected to the converter through a dinn rail terminal block. I want to add a third. The total wattage the converter can handle is ~288w, and with the third load will still be only ~100w to 150w. Is there a preferred method for combining all these small loads AND...

When I showed up at camp this afternoon I was surprised to hear the BMS alarm going off. The JBD dashboard was reporting a temp of 38.4C, and a "charge timeout" protection error. Both charging AND discharging were enabled: I'm experimenting with an LPG heater in the powerhouse and an...

I have tried to enable this option for the JBD-AP20S003S but it does not seem to do much and cells continue to balance when charger is turned off. Any suggestions?

Temp sensor on BMS reads 8C higher than the actual temp on my JBD-AP20S003S. This model has only one temp sensor. Is there a method to calibrate this?

Just received 16 280ah grade A EVE cells which are all sitting at about 3.29Voc. It will be a month or two before I have my panels and inverter wired in. I was told not to bother with a top balance, to just hook them up in parallel and let them sit for a week or so before building my battery...

So I purchased two identical JK inverter type BMS's from the same vendor, both came with a heat cable and both bear the heat code on the label. I powered one up for the first time yesterday, did not look at anything and went straight for the update. I updated from v15.06 to v15.10...