LiFePO4 batteries are a waste of money in this application.
For a stand by power application I recommend AGM deep cycle marine batteries. They have excellent stand by life.
Put a fuse or breaker in line with the inverter and sever the power when not in use and draw 0ma. That's what I do.
Last edited by oil pan 4; 07-19-16 at 01:51 AM..
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