12V Water Flow Turbine Hydroelectric Generator DC18V 36W/50W,AC Power Generation
12V Small Hydroelectric Generator DC18V 50W High Efficiency Brushless Motor . 12V/24V/48V Water Flow Turbine Small Hydroelectric Generator Bat12V-24V-48V 36W . Water Flow Turbine Hydroelectric Generator Bat12V-24V-48V AC Power Generation .