12V/24V to 10V-30V 40A DC DC Step Up Adjustable Battery Charger

Wide input voltage from 12V/24V Work for appliances from 0AMP to 40AMP automatically 12V/24V charges battery to 10V-30V (When the vehicle engine is on, the charger starts to charge.) 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 3-year warranty Over-current, over-voltage protections Over-temperature protection According to: EN 61000-6-3:2007/A1:2011/AC:2012 EN 55014-1:2006/A2:2011 EN 60950-1:2006/AC:2011 Notes: Converters cannot be used in parallel    Efficiency: 95% Input Voltage: 12V/24V DC battery Output Voltage: 10-30V Output Current: 40A Ripple: 200mVp Line Regulation: ±0.2% Load Regulation: ±0.2% Voltage Accuracy:  ±1.5% Enclosures: IP68 Dimension: 223*130*50mm Net Weight: 2.2kg Operating Temperature: -40~85°C Certificates: CE, ROHS Datasheet in details, Please download.