High Precision, Low Ripple, LED/LCD Display, Automatic Switch CC/CV Mode NICE-POWER 30V 10A DC power supply is a professional power regulator with accuracy of 0.01V and 0.001A, low ripple DC power supply. Backlight 4 digit LED The display has the advantage of high resolution, which can be easily viewed even in low light conditions. The adjustable power supply has a CV/CC indicator, and the constant voltage and constant current modes can be switched automatically CE & FCC Certification, Multiple Protections, Multiple Applications The laboratory power supply has passed CE and FCC certification. The 30V DC power supply has multiple protections: overvoltage protection, overcurrent protection, overheat protection, overpower protection, short circuit protection, seepage Leakage protection. The DC power supply is suitable for lithium FePO4 battery charging, arduino projects, laboratories, schools, electronic maintenance, electrolysis, electroplating, light testing, aging testing, DIY, etc. Stable Vertical Design, Light And Portable The bench power supply adopts a stable vertical design, and the bottom of the DC power supply has shock-absorbing rubber feet, which is more safe and stable during use. The DC power supply is very light and portable, with a size of 3.3 x 9.4 x 6.1 inches (approximately 8.4 x 23.9 x 15.5 cm), weighs only 3.96 lbs (approximately 1.8 kg). The DC power supply can work easily. 5V / 2A USB Port, Smart Cooling Fan, High-quality Materials DC power supply is equipped with 5V / 2A USB port, you can charge mobile phones, tablets or other devices. When the working temperature of DC power supply exceeds 120F/50C , Intelligently turn on the cooling fan to effectively dissipate heat. Reduce working noise and extend the service life of the equipment. High-quality materials make our DC power supply more durable. Quality Inspection and Terms of Service Purchase DC power supply, you will get DC power supply*1, output power cord*1, input power cord*1, user manual*1. We will check all DC power supplies and accessories before shipment, To ensure that the quality of the products received by each customer is of good quality. We provide a 12-month warranty policy. If you have any questions about our DC power supply, please feel free to contact us and we will reply within 24 hours. Features: 1. All models have USB ports, which can charge mobile phones.2. All models are micro-switching DC power supplies.3. We have two colors for all models, black and white, you can contact customer service according to the color you want.4. The output voltage and current can be controlled and adjusted by variable resistors, which provides more convenience and accuracy for the adjustment of voltage and current.5. The panel also provides high-precision two/three-window digital tube displays of voltage, current, and power, allowing users to intuitively see the current state of use and various parameters of the machine.6. Small size, light weight and high power density.7. Constant voltage and constant current automatic switching.8. Voltage, current, power LED display, high precision, with the characteristics of voltage stabilization, current limiting, and simple operation.9. Adjustable output voltage and current: output voltage and output current can be continuous 5. Adjustable between 0 and nominal value, with fine adjustment and coarse adjustment10. With over voltage protection (OVP), over current protection (OCP), over temperature protection11. Temperature controlled fan cooling, low noise and long life.12. The output voltage range is continuously adjusted from 0 to the rated voltage.13. The output current range is continuously adjusted from 0 to the rated current14. AC 110v or 220v can work, rest assured to choose.15: Full metal body and more compact size, light weight, easy to carry Packing list 1x DC power supply1x power cord (EU, US, UK, AU)1x test lead1x manual Q: Is it suitable for repairing mobile phones and laptops?Answer: Yes.Q: Can this power supply charge the battery of a 25v car?A: You can charge a 25V battery, because the maximum voltage of the power supply can reach 30V (note The power setting voltage must be greater than the battery voltage to charge, otherwise it will kick back the power supply and damage the power supply )Q: Can it be used for electroplating?Answer: It can be electroplated.Q: When does the fan turn?A: When the internal temperature of the power supply is greater than 50C, it will start automatically.Q: When the power is turned off and on, does it remember the last setting?A: It is controlled by the adjusting knob. As long as you don't move the adjusting knob, it will start with the previous setting.Q: The current cannot be adjusted?A: The power supply needs to be connected to the load to make it short-circuit. Then adjust.