I am planning a small 12v off-grid solar system to provide power and I'm looking at deep cycle batteries.
What I'd like to know is why 2 x 6v is often recommended for such installations, rather than just a 1 x 12v battery. I saw this
I assumed that it might be because the 6v batteries are better spec, but this doesn't seem to be the case always.
I could for example taking the Rolls 4000 series, I could buy two 6v s290 220Ah batteries, or one 12v T12250 200Ah battery.
The 6v battery has 19 smaller and thinner plates per cell compared to the one 12v battery which 9 larger and thicker plates per cell.
So in this case does it not make sense to go for the 1 x 12v option, with the only downside being it is heavier to handle as it's 57kg, and price-wise it slightly more per Ah?
Thanks,
EF
What I'd like to know is why 2 x 6v is often recommended for such installations, rather than just a 1 x 12v battery. I saw this
I assumed that it might be because the 6v batteries are better spec, but this doesn't seem to be the case always.
I could for example taking the Rolls 4000 series, I could buy two 6v s290 220Ah batteries, or one 12v T12250 200Ah battery.
The 6v battery has 19 smaller and thinner plates per cell compared to the one 12v battery which 9 larger and thicker plates per cell.
So in this case does it not make sense to go for the 1 x 12v option, with the only downside being it is heavier to handle as it's 57kg, and price-wise it slightly more per Ah?
Thanks,
EF
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