Bundu Power 80m 24V Solar Borehole Screw Pump. Solar pump equipment for a compatible borehole installation. Model JS3-1.8-80 screw-type submersible borehole pump. 24V, 210W rating with maximum head 80m and maximum flow 1.8m3/hour at the respective operating points. Includes controller, float switches and listed connection accessories. Solar module and additional submersible cable are separate.