Hardware Deep Dive: The secret third pin inside the EcoFlow solar cable

If you are buying third-party cables to extend your solar setup for your unit, you need to know about a brilliant piece of hardware engineering EcoFlow uses: the XT60i connector.

If you look closely at the orange XT60 port on the back of the station, and the official cable, you will see a tiny metal pin in the center between the two main prongs. This is a data/ground pin. The MPPT controller uses this pin to determine what is plugged in. If it detects the official solar cable configuration, it unlocks the full 13A charging limit.

If you use a standard third-party XT60 cable without that special pin, the station plays it safe and assumes it’s a car charger, strictly limiting your input to 8A. Always ensure your solar extension cables are true XT60i to get your maximum wattage.