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Sun Fun Kits batteries and kits equipped with the RS-485 data port are able to communicate
with Victron Energy equipment using the Cerbo GX/GX-S communications hub and the official
SFK Data Cable.
Requirements:
In order to setup communication you will need:
A Sun Fun Kits battery or kit that is equipped with the RS-485 Data Port:
The official Sun Fun Kits Data Cable with RJ-45 to USB-A connector:

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Summary of Contents for Sun Fun Kits SFK-300HP

  • Page 1 Sun Fun Kits batteries and kits equipped with the RS-485 data port are able to communicate with Victron Energy equipment using the Cerbo GX/GX-S communications hub and the official SFK Data Cable. Requirements: In order to setup communication you will need:...
  • Page 2 A USB-A Hub if you are planning on connecting more than 2 batteries (it does not need to be a powered hub): A USB Flash Drive (Any size will work as long as it's FAT32 compatible, most 32GB or larger are set up this way):...
  • Page 3 The Victron Energy Cerbo GX or Cerbo GX-S: You will need to make sure your Cerbo Gx is set up and installed correctly. Setting the driver: Download the SFK Battery Driver using this link: This driver is based on the Dbus Serial Driver by Louis Van Der Walt, more details are available on github:...
  • Page 4 https://github.com/Louisvdw/dbus-serialbattery we have optimized the driver for SFK batteries and Kits so for best compatibility use the SFK driver. The name of the file is venus-data.tar.gz insert your flash drive into a pc and put the driver into the root drive of the usb flash drive, do not put it into a sub folder. Make sure no other files are on the drive;...
  • Page 5 4) The temperatures shown on the Cerbo Gx are the average temperatures of all 3 temp probes: (BMS, Case 1 Temp, and Case 2 Temp). 5) We have set up low state of charge alarms at 20% and 10%, the Cerbo Gx can be set to stop discharging the batteries if they reach this low state of charge.