The price of a Zappi depends on the model, retailer, and the installation costs. The latest 7kW single-phase model with built-in hub costs $1,595 in Australia as of this writing, while the 22kW three-phase variation, also with built-in hub, is currently priced at $1,895. The final price will depend on the retailer and whether they have any ongoing promotions to score discounts.  The prices above don’t include professional installation, which approximately costs between $500 and $1,200. Overall, the total cost to get a Zappi installed ranges between $2,100 and $3,100.