emonSD-13Jun18 was a development version and never released, I would recommend upgrading to the latest emonSD-30Oct18 for best support and updates : emonSD pre built SD card Download & Change Log · openenergymonitor/emonpi Wiki · GitHub
The backup module can be used to backup and restore your data, see guide: Import / Backup / Restore / Update — OpenEnergyMonitor 0.0.1 documentation
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