Convert your existing “dumb” grid feedback inverter to a fully functional grid-feedback and battery backup. With the addition of this hybrid inverter and associated lithium battery pack, you can maintain power to select parts of your home even when the grid is down. Similar functionality as the infamous power wall, but is available today, at a fraction of the price
This package is fully installed with the inverter, battery, cables and a dedicated loads breaker panel.
To determine battery size requirements for your load check out http://solarpowercalc.com