By purchasing the additional Giv-Gateway, the All in One can provide whole house backup in the event of a grid failure. The Giv-Gateway provides seamless switching between grid and battery ensuring that your property is always powered. · · · Designed to work seamlessly with your clean energy ecosystem, with in-built connection points for your solar array and EV charger · · Pre-installed Energy Meter. Quicker and simpler system installation, which reduces the number of individual mounted components needed · · 20ms Switchover Time. In the event of a grid failure, the system will continue to provide power into the home. This allows operation off-grid until grid supply is restored. · · 5 Year warranty