Functions of the Sunny Tripower Smart Energy for the Battery-Backup System

Battery-backup operation with empty battery

When the battery is fully discharged during a grid failure, the hybrid inverter cannot initially provide any AC voltage. If the PV power is high enough, the hybrid inverter charges the battery until 1/6 of the previously defined backup power range has been charged. If there is no PV power available, the start-up is canceled and no AC voltage is provided anymore until the PV power is available again.