Sure, but batteries simply don't generate power: you store an X number of KWh in them based on the rate of your charger and the rate-of-charge of your battery and you can discharge them using an inverter (which again, has a nameplate rating) limited by the rate of discharge of the batteries (usually pretty close to the charging rate so this tends to be symmetrical).
You could have a massive storage with a relatively small inverter for discharge but a large charging capacity, the reverse and so on all highly dependent on the intended use case. So battery capacity doesn't say anything about the eventual grid capacity of the setup, for that you need to take into account all of the components (charger, battery size + charge/discharge rate + inverter). Only then you can put it into perspective.
You could have a massive storage with a relatively small inverter for discharge but a large charging capacity, the reverse and so on all highly dependent on the intended use case. So battery capacity doesn't say anything about the eventual grid capacity of the setup, for that you need to take into account all of the components (charger, battery size + charge/discharge rate + inverter). Only then you can put it into perspective.