Yes, these are the Lithium Iron Phosphate batteries. I have four of the Enphase IQ 5P rated at 5kWh each, or approx. 20 KWh total. It runs the whole house including both AC at heavy summertime capacity for about 6-8 hours. Could likely get 24-48hrs of emergency power if we turned off the AC and only used critical items like freezer, fridge, internet router, few lights, etc. Would love to double that at some point, but man they are expensive. Might supplement with a few of the portable battery / generator combo's eventually. 
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