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I have a solar off grid system consisting of 12 100w 12v mono panels which are set up 3s4p with an inline fus at each string, 50a circuit breaker(acts as disconnect switch), renogy 40amp mppt charge controller, goes thrpugh another 50a circuit breaker, 4 LiFeBO4 batteries 100ah 12v hooked up...

I have 4 12v 100ah LiFeBo4 batteries( Amperetime brand ) hooked up 2s2p. They were running great until one day the solar array wasnt charging them due to a cable and the batteries ended up getting completely discharged. The problem was quickly fixed but the batteries are not operating at their...

Hello! I want to hardwire the inverter to a main breaker box and run circuits off of that as well as a subpanel for the downstairs. I have to buy all the supplies so I want to double check my plan for accuracy and soundness. This is an off grid system running 1200 watts (12 100watt 12 volt...

Hello! I am paralleling my LiFeB04 batteries for 24 hours before their final configuration. I am using 2/0 awg cable. For the parallel, do the cables need to be same length from one battery to the next. If one is triple in length to the rest of the cables but the others are all similar in size...

I almost have my system complete but I have hit a snag. Need to know if this will work like I thought: - twelve 12v 100 watt panels hooked up 3s 4p - renogy 40amp 12v/24v mppt charge controller - four 12v 100ah LiFePO4 batteries hooked up 2s 2p - 24v 2000 watt samlex inverter pure sine wave...

Hello! I am installing 12 panels with a 3s4p configuration. Im skipping the combiner box and using inline fuses with y connectors. I noticed the y connectors have two + symbols at the top of y where they combine. At the bottom is one - symbol. Can anyone explain what this means please? Also, can...

Hello. I am in a little dilemma with setting up my solar. I initially bought 10 100w panels which i found out is a newbie mistake. https://www.amazon.com/gp/product/B08721CBST/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1 Woops. I set up a return for them with amazon because it was free...

Can a freezer run off 12v system? Or would it need 24v?

I wanted 1000watts and ordered 10 12v 100watt panels. Upon receipt and reading the instructions it says: the max parallel no more than 4, max in series no more than 12. Is this even possible? Have they reversed what is actually meant. The max in series should be 4 to my knowledge giving 48v. And...

I have 200 watts, 1000 inverter, 2 100ah batteries, pwm charge controller all 12v. I am looking to upgrade the system. I am not good with numbers, math, engineering and am seeking help. All I power right now is lights. This is off grid. I want to be able to power a fridge/freezer, lights...