Hello

looking for advise or instruction on adding on to and re working what i have.

Originally i bought a Renogy 800w 8x 12 volt mono panels deluxe kit with commander 60 amp mppt controller.

I set this up with 4x 6 volt 235ah batteries @ 12 volts. Panels are wired as 2 strings of 4 series and parallel 48 volts? link to wiring diagram https://www.renogy.com/renogy-new-80...r-premium-kit/

Then the exact same set up fell in my lap for very little cost. so since middle of Maine winter i set it up the same way and bought 2 more batteries for a bank of 705AH and the system has been great... batteries are charged by noon with my intended load and around 2pm on cloudy days.

So in total i have

16 x 12 volt Renogy mono panels divided between 2 controllers feeding one battery bank

2 x commander 60 amp controllers

6 x 235ah 6 volt batteries

fuses all in place

all 3 mos old

Now while i understand wiring batteries, i'm not so sure i understand the wiring of solar panels outside of the instructions i was given and if what i would like to do is safe or to much for the controllers, Since i know both controllers are maxed out now at 12 volts 800 watt max with 100 volt limit?

My plan is to add 2 more 6 volt 235ah batteries and rewire for 24 volts 2 strings of 4. i think is correct. and then add 4 more panels of same type.

My biggest question is once the batteries become 24 volts. what is the best way to add more panels? do i create another string of 4 for 12 panels on one controller 8 on the other or do i add on to a current string of 4 and make 6 panels in a string?

The controller can do Max. Solar Input Power: 800W (12V), 1600W (24V), 2400W (36V), 3200W (48V)

About the only reason were looking at change is because for power outages we would like to know we can run our refrigerator and well pump and 24 volt seems better suited. Right now we run tv's, lights,pellet stove. but would also like the bit of extra storage and take advantage of the power were not using. were up to about 60 % off grid at this point and want to further. all tho my gut tells me to leave the system alone and just add the 2 extra batteries I cant help but think there is a better way.and still keep the system balanced. what would you do? TIA

looking for advise or instruction on adding on to and re working what i have.

Originally i bought a Renogy 800w 8x 12 volt mono panels deluxe kit with commander 60 amp mppt controller.

I set this up with 4x 6 volt 235ah batteries @ 12 volts. Panels are wired as 2 strings of 4 series and parallel 48 volts? link to wiring diagram https://www.renogy.com/renogy-new-80...r-premium-kit/

Then the exact same set up fell in my lap for very little cost. so since middle of Maine winter i set it up the same way and bought 2 more batteries for a bank of 705AH and the system has been great... batteries are charged by noon with my intended load and around 2pm on cloudy days.

So in total i have

16 x 12 volt Renogy mono panels divided between 2 controllers feeding one battery bank

2 x commander 60 amp controllers

6 x 235ah 6 volt batteries

fuses all in place

all 3 mos old

Now while i understand wiring batteries, i'm not so sure i understand the wiring of solar panels outside of the instructions i was given and if what i would like to do is safe or to much for the controllers, Since i know both controllers are maxed out now at 12 volts 800 watt max with 100 volt limit?

My plan is to add 2 more 6 volt 235ah batteries and rewire for 24 volts 2 strings of 4. i think is correct. and then add 4 more panels of same type.

My biggest question is once the batteries become 24 volts. what is the best way to add more panels? do i create another string of 4 for 12 panels on one controller 8 on the other or do i add on to a current string of 4 and make 6 panels in a string?

The controller can do Max. Solar Input Power: 800W (12V), 1600W (24V), 2400W (36V), 3200W (48V)

About the only reason were looking at change is because for power outages we would like to know we can run our refrigerator and well pump and 24 volt seems better suited. Right now we run tv's, lights,pellet stove. but would also like the bit of extra storage and take advantage of the power were not using. were up to about 60 % off grid at this point and want to further. all tho my gut tells me to leave the system alone and just add the 2 extra batteries I cant help but think there is a better way.and still keep the system balanced. what would you do? TIA

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