JahyShow US Ship DC to DC 12v Step Up to 24V 3A 72W Waterproof Converter Voltage Regulator Module Transformer Industry grade DC 12V to 24V 3a 72W step-up converter.Input voltage is 10V-20V and output voltage is 24V, output current is 3A (rated working current).(Note:B01H8314J2 for Waterproof DC 36V (30V-50V) to DC 12V 10A 120W Car Power Supply Module Voltage Converter Regulator Electronic Transformer) waterproof housing makes the converter ideal for use in a wide range of applications including vehicles, security systems, hospital equipment, telecommunications etc, and Commonly used for radio, speaker system, club car, electric bike, solar panel, led lights an so on Over 90% power conversion efficiency,With the protection of input momentary high voltage,output over current and short circuit,over heat.Protections: Over-load, Over-current, Over-temperature, Short-circuit, Over-voltage.Built-in over-voltage, under-voltage, overload, over-heat and short circuit protection Die-cast aluminum shell, anti-shock, and moisture-proof and has stronger durability. Epoxy potting, seismic, water, moisture, dust, long term stable and reliable quality, small size, high efficiency, easy installation and use.