This configuration dongle plugs into the Fullriver FR-1 line of battery chargers. Then through a Wifi connection and a free app on your Apple or Android device you can make changes to the charger setup. You can change voltage and some amperage options, as well as review charger data.
NOTE: The FR-1 chargers require this dongle to make voltage and amperage changes. You cannot make these changes with buttons on the charger.
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