driven by infinite solar energy, works from sunrise, and stops at sunset. more efficient for water saving, lower the cost. SWPS-JG15-SP13PV Panels: 285W*64pcsINVERTER: JG-15HK Maximun DC input 750V Recommended MPPT Voltrage 500~600V Rated AC output is 30A, output frequency 0~60HzPUMP: JG-SP13 Stainless steel pump. LINIX Solar Water Pumping System