For operation WITHOUT GRID, you need the OFF-GRID inverters.
The OFF-GRID inverters are also called the DC/AC inverters,
they convertert the energy from battery to the 230V AC power.
The off-grid inverters cannot be connected with the Grid.
For the DC/AC products, please see here:
See also the support information here:
For charging the battery from the solar panel, the solar regulator you need.
See the description in the thread: Solar Regulators/Chargers (MPPT, PWM)