1000W DC-DC Converter can install in electric vehicle, supplying 12V/24V power to low voltage application in vehicle. Output terminal can connect directly to 12V/24V back-up battery pack. DC-DC Converter will management the charging process of back-up battery automatically. Fully sealed potting can be highly waterproof and dust proof, highly temperature resistance, highly vibration resistance. The diagram between DC-DC Converter,12v/24V back-up battery pack, low voltage equipment and BMS is as below.