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I am looking to build a 48 volt solar and battery system to power our refrigerators and freezers with grid backup. I would be putting the circuits for these in a sub panel for the solar only, I need 12 KWH a day for this panel. I figure I need; Approximately 15 - 20 kwh of batteries 3 kW...

Building a system based on a EG46000xp. Which would you choose? Any others you would recommend? Have 4 battery choices... 1- EG4 powerpro 14.3 kwh $3799 ==$266/kwh 2-EG4 lifepower4 10.2 kwh $2518==$246/kwh 2-EG4 LL-S 10.2 kwh $2990==$293/kwh 1-Mammoth 9.6 kwh...