Step Up Power Supply Transformer Current Voltage Digital Display Non Isolated DC Converter 10.5‑60V Input 15‑80V Output Item Type: DC Converter Power Supply Model: AP-D100A2000W Input Voltage: DC10.5-60V Input Current: 100A (Maximum) Input Power: 2000W (Maximum) No Load Power Consumption: Less than 2W Output Voltage: DC15-80V Output Current: 5-50A (Maximum) Output Power: 1.75KW (Maximum) Conversion Efficiency: 90-95% (related to input and output voltage and current) Working Temperature: -20-50℃ Size: Approx. 21.5 x 11.5 x 5cm / 8.5 x 4.5 x 2in1. Input + is the positive pole of the power supply input, and input - is the negative pole of the power supply input. 2. Output + is the positive pole output of the power supply, and output - is the negative pole output of the power supply. 3. When the output of this module requires constant current and current limiting, the ground wires of the input and output must be connected separately and cannot share one wire. 4. Undervoltage adjustable range: DC10.5V-50V (clockwise to decrease, counterclockwise to increase), first adjust the undervoltage adjustable to the minimum, then adjust the input voltage to the required undervoltage guard value, and then counterclockwise Slowly increase the adjustable value, and when the undervoltage indicator light is on, adjust it back one to two circles, and then turn on the power again. Undervoltage guard function is for: (1) Input battery power supply, mainly to protect the battery from being damaged by over discharge. (2) Power supply with unstable input voltage, such as solar panels, wind turbines, car generators, etc., to ensure that the power supply and equipment will not be damaged due to low input voltage. (3) This function also has a certain MPPT function when applied on solar panels and wind turbines, which can trace the maximum power point when the input power is low to achieve high efficiency input. 5. Constant voltage adjustable range: DC15-80V (clockwise to decrease, counterclockwise to increase), please adjust the voltage to the required voltage when the output is no load, and then connect the load (when constant voltage power supply, the constant current should be to the maximum,). 6. Adjustable range of constant current: 5A-50A (clockwise to decrease, counterclockwise to increase), first no load output voltage to the voltage required by the load (constant current spatial and temporal load voltage should be 2-3V higher than the load voltage), the current to the minimum, and then slowly adjust the current to the current required by the load. 7. The power supply is equipped with intelligent temperature control fan. When the power supply temperature reaches 55-60℃, the fan will automatically turn on. When the power supply temperature drops to about 50 degrees Celsius, the fan automatically shuts down. 8. The input voltage cannot be lower than 12V or higher than 60V (When the input voltage is lower than 12V, properly reduce the load). 9. The maximum input current cannot exceed 100A, and the power cannot exceed 2000W. 10. When using, ensure that the input voltage is more than 2V lower than the output voltage. 11. When using switching power supplies or other auxiliary power supplies, ensure that the power supply is more than twice the power of the module. 12. When the power supply is overcurrent or undervoltage guard, the output still has a voltage close to the input value, and the guard is only that the power supply does not boost the voltage. 13. Only when the power supply is boosted, the output blue indicator will light up. 14. Important Note: Please try not e in the case of input less than 12V and full load output more than 60V. When the input and output voltage difference is large, the output power should be appropriately reduced. The greater the voltage difference, the lower the power efficiency and the greater the heat output. 15. Output load description: When the input is 12V (the input current is 100A, the output is below 60V, the output can carry a maximum load of 1100W), when the input is more than 24V (the input current can be  up to 85A, the output can carry a load below 1850W), the test load is a resistance load, other load depends on the situation. 16. Input current and power description: In any case, the input current should not exceed 100A. When the input working current exceeds 75A or the input power exceeds 1000W, the heat dissipation should be strengthened (the lower part of the power supply should be attached to the metal surface for heat dissipation).