12V to 28V 40A 1120W DC DC Step Up Converter Voltage Regulator Intelligent Charger Automatically Charging 24V Lead-acid Battery Located in:US Wide input voltage from 12V

Wide input voltage from 12V vehicle battery

Warranty: 2-year

Wide input voltage from 18 to 45V

Input Voltage: 8V-40V DC

12V to 28V 40A 1120W DC DC Step Up Converter Voltage Regulator Intelligent Charger Automatically Charging 24V Lead-acid Battery Located in:US Wide input voltage from 12VWide input voltage from 12V RV or other Vehicles Work for appliances from 0AMP to 40AMP automatically Charge 24V lead acid battery The charger works when the engine turns on only ( If you charge the auxiliary battery from the primary battery without vehicles, this charger can't work. And please inquiry us for another model. ) ACC enable (The charger is 100% off when the ACC turns off) 100% full rated power 100% full stable output current 100% burn in