Most decent off grid inverters will have a battery charger in the range of 50 100 amps dc.
Solar panel inverter without battery.
Solar panel installation without battery power as a backup system a hybrid solar inverter can work without batteries.
This could be considered a way to store energy without needing a battery system.
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When tied into the grid your solar system will typically be operating under the net metering standard and be producing and using solar power without batteries.
Anytime you are connecting your solar system to your local power grid then you are mostly using a grid tie system because you are tying into the electrical grid.
This kind of setup is called a grid tied system.
Parts list and blueprint.
This type of system is attached to solar panels and to the power grid which supplies power from both.
Many off grid inverters include a battery charger which is used to recharge your batteries during the winter months with a backup generator.
The battery charger will have a rating usually measured in amps.