Hybrid inverters are inverters that combine solar inverters with battery inverters in one unit to enable charge a battery with both solar panels and grid power. They can be programmed in such a way that you can opt for solar panels to charge the batteries first or the grid power to charge the battery connected and vice versa.
Hybrid inverters have an inbuilt solar charging component, Ac to DC charging component and DC to AC inversion. The inbuilt charge controller enable charging using solar panels and the AC charging component enables charging using the grid AC power or a generator. Hybrid inverters are smart and have the capability of being set to use solar panels or the grid as the primary source of battery charging depending on preference. You can set up your solar panels as your primary source of charging the battery bank and use the main as a back up and vice versa. You can use them completely off-grid or connect them to the grid to save money.