Product Description. The EcoFlow Solar Parallel Connection Cable connects solar panels in parallel to an EcoFlow power station (DELTA/RIVER Series).. Highlights. Connects solar panels in parallel to improve the charging rate efficiency.. Required to connect 4 solar panels in parallel to recharge DELTA.. Required to connect 2 solar panels in parallel to recharge RIVER Series.. In the Box. Solar Parallel Connection Cables ×2Product Description. The EcoFlow Solar Parallel Connection Cable connects solar panels in parallel to an EcoFlow power station (DELTA/RIVER Series).. Highlights. Connects solar panels in parallel to improve the charging rate efficiency.. Required to connect 4 solar panels in parallel to recharge DELTA.. Required to connect 2 solar panels in parallel to recharge RIVER Series.. In the Box. Solar Parallel Connection Cables ×2