It not only sounds "Promissing",it also sounds "Impossible"!!!!
I can see no way that you can charge batteries for your inverter in 2 hours,and then use them to provide 22 hours of inverter power???????Wow! I want some of those batteries!!! I have a 20 kilo planta,that uses somewhat less than 1 galon per hour.If the power goes off,I use the 3.6 K inverter,with 8 batteries for 2 or 3 hours.I then power up the generator to heat water,wash clothes,run pumps and air conditioners,and charge those 8 batteries.After 2 or 3 hours on the gererator,I go to EDESUR,if it is "ON"! Reason being,due to the inefficiency of inverter systems,it is cheaper for me to use my excess "planta" power to recharge my batteries,that to use EDESUR!
Since I have a water well,electricity, stockpiles of food,water, fuel,and a "Shotgun",I can pretend I live in Idaho!!!!!!!!
Cris Colon