Accessory Sungrow EPS box for SH5K-20


With the optional Backup Box STB5K connected into the Sungrow Hybrid inverter SH5K, the system is capable of operating as an off-grid system to ensure an emergency power supply for emergency loads in the event of a grid interruption or blackout.

Features an external button to switch a system from on-grid to off-grid. The Backup Box does not include the battery.

The backup box STB5K-20 is to be installed between the SUNGROW meter and the hybrid inverter.
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