Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed DC Power Supply Variable 30V 10A Adjustable Bench Power Supply with Coarse/Fine Adjustments Knob Switching DC Regulated Power Supply Stable Output 4-Digits LED Display 5V/2A USB Port Specification Color black Brand NICE-POWER Connector Type usb Style 30V 10A 8.9 inches x 12.91 inches x 5.04 inches. Weight: 3.94 lb Item Description ?High Precision 4-Digit LED Display and Fine/Coarse Knobs?- The dc power supply variable 30V 10A is a professional power regulator with a high resolution of 0.01V and 0.001A. Are you tired of the time consuming single knob potentiometer adjustments? This DC power supply adds fine and coarse knobs to help you quickly set the desired current and voltage values. The backlit 4-digit LED display accurately shows voltage current and power values, making it easy to view even in low light conditions. ?Stable Output and Auto Switch C.C/C.V Mode?- The bench power supply is a low noise, low ripple continuously adjustable lab power supply that runs without worrying about producing annoying sounds. Constant voltage and constant current modes can be switched automatically, adjusting the current when the C.C indicator is on, and adjusting the voltage when the C.V is on. ?5V/2A USB Interface and Intelligent Cooling Fan?- The dc power supply variable is equipped with a 5V/2A USB port for charging mobile phones, tablets or other devices. When the DC power supply working temperature exceeds 122?/50?, the cooling fan is turned on intelligently to dissipate heat effectively. Reduce the working noise and prolong the service life of the device. ?CE and FCC Certification, Multi-protection, Wide Application?- The bench power supply has passed CE and FCC certification. 30V 10A adjustable power supply has multiple protections: over-voltage protection, over-current protection, over-heat protection, over-power protection, short-circuit protection, leakage protection. It is the perfect choice for battery charging, laboratory, school, electronic repair, electrolysis, electroplating, bulb test, aging test, DIY and so on. ?Packaging and After-sales?- When you buy a bench power supply, you will get bench power supply*1, power cord*1, output cable cord*1, user manual*1.We will check all bench power supply and accessories before shipment to make sure the quality of the product received by each customer is good. We provide 12 months warranty policy. If you have any questions about our variable power supply, please feel free to contact us, we will reply within 24 hours. Product Description High Precision Stable Output DC power supplies offer the advantages of low noise, low ripple and stable output with accuracy up to 0.01V and 0.001A. USB Quick Charging Interface Unlike regular charging ports, it is a 5V/2A fast charging port that allows you to charge your mobile phone or other devices with USB ports faster. HD 4-Digit LED Display The Bench DC Power Supply's HD 4-digit LED display clearly shows current, voltage and power values even in low light conditions. Upgraded Coarse and Fine Knob Coarse adjustment quickly sets the value before the decimal point, and fine adjusts it easily to one or two decimal places. NICE-POWER Different Styles of Benchtop DC Power Supply Model 30V 5A,30V 10A,60V 5A,120V 3A Model 30V 20A,30V 30A,60V 10A,60V 20A,15V 30A,15V 60A Model 30V 5A,30V 10A,60V 5A,120V 3A Display Mode 4-Digits LED Display Display Mode 4-Digits LED Display Display Mode 4-Digits LED Display Display Resolution Voltage: 0.01V/Current: 0.001A Display Resolution Voltage: 0.01V/Current: 0.001A Display Resolution Voltage: 0.01V/Current: 0.001A 5V/2A USB Port Yes 5V/2A USB Port No 5V/2A USB Port Yes Encoder Knob No Encoder Knob Yes Encoder Knob No Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed. ? Please contact us before returning. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Payment Options Shop With Confidence