Example: 12 two volt battery cells in one 24 volt string. 4kW inverter/charger has 250 amp DC breaker size and 4/0 cables...as the inverter folks would want.
So...do the "cell to cell" interconnect cables have to also be 4/0? In the example above, 2/0 interconnects would suffice from the standpoint of basic safety...and even from the voltage drop standpoint...right? Inverter company people may be best qualified to answer this, but any replies will be appreciated. While I'm at it: do the inverter folks request oversize cables because they want more capacitance on the DC input...or what? Jolliness, Mick Abraham, Proprietor www.abrahamsolar.com Voice: 970-731-4675
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