ITEM NAME:12V TO 24V 10A STEP UP BOOST DC DC CONVERTER VOLTAGE REGULATORS Hn Wide input voltage from 11 to 16V Stable output voltage is 24V/28V, 28V Output can charging 24V Battery 100% full rated power 100% full stable output current 100% burn-in test High-efficiency up to 95% Waterproof sealed Cooling by free air convection Surface mountable Over-current, over-voltage protections Over-temperature protection According to: EN 50498:2010 IP68.100% full stable output current. Surface mountable. High-efficiency up to 95%. Cooling by free air convection.