Tabuchi Electric THD-S55P3B-US User Manual page 11

F
Surplus PV-generated power is used to charge the storage batteries.
Power is stored
Any power that cannot be stored in the storage batteries is sold.
Power is discharged from the storage batteries. If there is not enough
G
power coming from the PV system and storage batteries, power is
Stored power is
purchased from the power company.
discharged
Use the inverter as an emergency power supply for instances such as rolling blackouts, etc. Use of the Storage
Mode is recommended since it keeps the storage batteries fully charged at all times. If an outage is anticipated
while using the inverter in another mode, you can switch to the Storage Mode ahead of time and minimize the
impact of the outage by having the storage batteries fully charged.
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