Zowaysoon 144W DC 12V to 48V 3A DC DC Converter Boost Step-up Car Power Module Waterproof Wide range of applications(within voltage range): motors, stereos, navigation systems, monitoring, displays, air conditions, electric fans, solar energy devices, photovoltaic energy devices, DVD, LED lights, pumps, and industrial equipments etc.. Output power: 144WInput voltage: 12V (10V-15V)Output voltage: 48VOutput Current: 3ASoft start time: 500mS Over-current protectionOverheat protectionShort-circuit protection and automatic recovery Full waterproof pottingConversion efficiency: &gt;85%Dynamic response speed: 5% 200uSworking temperature: industrial grade(-20 C to 85 C) Distance between mounting 2 holes:65mmDiameter of mounting hole: 5mmSize:75*75*32(mm)Weight:260g