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Well I am trying to properly size battery bank for my home. 10000kwh per year average use. I did the online calculator at unbound it says I need 37kwh battery bank on 833-900kwh used a month:unsure:. 900/30 is 30kwh why is it adding 7kwh to the factoring? inverter loss? cloudy days? I am...

I know this has been discussed and Will made a video but I can not find it for the life of me. I want to maximize life and use of the battery and take the 80% of power available from the eg4 battery before recharging via solar or grid. how do I accomplish this? what are the settings I need...

my questions about 2 different inverters using/drawing power from 1 large battery bank each one on its own panel. can this be done?? Well I am looking at getting real close to getting everything I need to take home off the local power company. 10000kw a year avg should be 6.6kw array that I...

well I am trying to save some $$ and build my own 48v 280ah battery vs 3 more eg4 batteries. but want to be able to monitor it with my eg4 inverter if possible . I have 1 eg4 5.1 kw battery already just want and will need 300ah minimum for power needs. Is there a way to have both batteries...

I am looking at going away from my local power company as much as possible & the costs. I have done the math 10000kw a year avg use needs a 6.64kw solar array and 15kw in batteries minimum to off set my use in Oklahoma. Currently I have 1 48v 5.1 eg4 rack battery bought for another project...

https://www.santansolar.com/product/unused-first-solar-460w-solar-panel/ Claiming 188v from a single panel roflmao. Yes or no true or false is this possible???

I have been researching and asking questions & think I have come down to this setup, if it is all good in power and output please let me know. 1 Growatt 3k tl- lvm 48v, 145dc voc pv input , panels Newpowa 240watt voc 27.08 vmp23.32 in 2 strings of 5 VOC is 135.4v & 116.6VMP the manual says PV...

What brands and wattage panels are you using on your RV roofs? Not van roofs. Trying get idea of best panels under 36 inches wide. So far rich solar 200w and newpowa 240w. Both under 36 will work but wanted to hear what your using out there. Looking for over 2k on my roof Thank you ahead of time.

After lots of research looks like these will be a great fit for my 5th wheel roof for layout as there small I can fit them on each side easy. I am looking at these but would use any that fit good on the roof. under 36 inches wide is best to fit each side of the AC units, length is not so much...

Well I am getting 1 day closer to purchasing everything I need going with the Growatt 3k lvm es unit will be the inverter with a max of 250vdc PV input. I need advice on panels I would like to get 2000watts or more on the 39ft RV roof but have 250v max & 18amps max capable can I/should I...

I posted before about the system I am trying to decide on proper parts for it & need help with that end. I am getting closer to making my purchase & want to make sure not to mess up. the ? is the Growatt 5k unit is 240v ac output. if it was hooked to a off grid home panel it would be the same...

Broke down went the cheap route to start my setup before going all out with a all in 1 growatt and solar. I got the ps1003 go wise 2000watt inverter going to use a 300 amp anl fuse ,1/0 welding wire rated for insane amps per foot , 20 amp 110 breaker on output . I have got in my basket a 350...

I am a newbie I have been doing research and figuring out size of solar panels and battery I need for my RV. My ? is with a all in 1 inverter like the one I am looking at Growatt 3000 ES it has built in mppt. if I am using my own Daly BMS on my 48v DIY battery do I still just hook + & - to the...

I am needing 16 280ah cells and 150-200amp BMS. I'm building a 48v system for my RV going to go with a growatt 3000 for basic power needs and 1 AC unit.

Hello everyone I am purchasing a 39ft toy hauler and want to get it 100% off grid if possible it has a 50 amp plug for shore power. been watching tons of videos etc. still have no idea how big I need to go. I watched 1 guy had 2500 watts on roof and 20 battle born batteries $$$ OUCH. I will...