Home batteries can be used for a variety of purposes, such as trading on the power and imbalance markets, or increasing self-consumption. However, many people also choose home batteries partly to ensure power when the public grid fails.

If the latter is an important consideration for you, you probably want a minimum amount of power stored in the batteries at all times. Normally, batteries can be fully charged or discharged, meaning that at times (especially at night), they may be completely empty. If you do want to maintain a minimum amount of power in the batteries, you can follow the steps below to set this up. Since it's different for every system, you can click here to find your inverter type.

	Sunny TriPower Smart Energy (STPSE)
	Sunny Boy Smart Energy (SBSE)