EcoFlow AC Cable EU. AC Charging Cable for EcoFlow RIVER series and EcoFlow DELTA power stations (EU version).. Highlights. Use this cable to connect your EcoFlow RIVER series or EcoFlow DELTA to an AC power source for efficient recharging.. In the Box. AC Charging Cable x1. Specifications. Cable Type: AC Charging Cable for EcoFlow RIVER series and EcoFlow DELTA power stations (EU version). Length: 1.5m