60 volt or 48 volt battery bank questions

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60 volt or 48 volt battery bank questions

Postby pss on Fri Jan 12, 2018 5:44 pm

I would like some opinions and real world experience on wiring batteries for 48 vs. 60 volts.

I can configure 4 strings of 8 batteries for 48 volts, 900 amps and 43,200 watts or 3 strings of batteries for 60 volts, 675 amps and 40,500 watts. I have a Radian GS8048A inverter.

Is there any inherent advantage, independent of the wattage, to doing it one way or the other. My Voc is about 90.

Thanks.
pss
OutBack Expert
 
Posts: 53
Joined: Mon Jul 24, 2017 8:40 am
My RE system: 7800 watts in three strings, Flexmax 60 x 3, Radian 8046A, GLSC load center, Mate 3, Hub 10.3 and 900 Amp, 48V Trojan T105-RE battery bank.

Re: 60 volt or 48 volt battery bank questions

Postby SandyP on Fri Jan 12, 2018 10:04 pm

Whilst the FM charge controllers can be set for a nominal 60V battery, your inverter will require a nominal 48V input.
SandyP
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Posts: 250
Joined: Tue Jun 21, 2011 4:44 am
Location: Victoria, Australia
My RE system: 8 x 190W 24V Suntech panels (4 strings of 2)
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Outback VFX3024 Inverter/Charger
Victron BMV-602s
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Re: 60 volt or 48 volt battery bank questions

Postby pss on Sat Jan 13, 2018 8:33 am

I guess that's why they call it an 8048a and not an 8060a.
I was looking at the spec nominal voltage to 60.
Thanks.
pss
OutBack Expert
 
Posts: 53
Joined: Mon Jul 24, 2017 8:40 am
My RE system: 7800 watts in three strings, Flexmax 60 x 3, Radian 8046A, GLSC load center, Mate 3, Hub 10.3 and 900 Amp, 48V Trojan T105-RE battery bank.


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