On the inverter of a SunPower Reserve battery system, you will find the following display:

The meaning of the top row of icons:

System – SunPower Reserve Battery System: If the system is functioning normally, this icon is white. If it turns red, there is a system error—please contact our service department.

Battery – SunPower Reserve Battery: If the battery is functioning correctly, this icon is illuminated. If it is off, there is an issue with the battery.

Meter – SunPower Reserve Battery Meter: This icon indicates the communication status with the energy meter. If illuminated, the system is working properly and communicating with the energy meter. If off, there is no communication with the energy meter.

Communication – SunPower Reserve Battery Communication: This icon shows the status of the connection with the router/internet. If the internet connection is active, the icon is illuminated. If there is an issue, the icon will be off.

The bottom row of circles indicates the battery’s charge level. The more circles that are lit, the fuller the battery is. If the circles are flashing, a software update for the inverter is in progress.

Each individual battery module also has a display:

This display shows the charge level of the battery module. The table below indicates the State of Charge (SOC) for different display combinations. 100% means the battery is fully charged.