V2 22kW TW-T 6.5m cable PV control RCD wallbox Zappi is the leading intelligent charging system for PV surplus charging at home - with no additional components required, zappi can be used with any PV and battery inverter regardless of the manufacturer, 22 kW 3-phase, integrated safety functions, 3 different charging modes ECO, ECO+ and FAST, charging with up to 100% of your own solar power, automatic adjustment to the current output of the PV system, mounting directly on the wall or free-standing with a stand (can be ordered separately), boost timer for using cheap night-time electricity, no additional grounding required (PEN fault technology), myenergi app for convenient monitoring and control, charging and event log, security with 5-digit PIN code, Ethernet port and integrated WLAN for internet connection, button-controlled display with backlight, integrated residual current device (RCD), integrated cable holder, incl. attachable mains current sensors