DC Power Supply Variable, 120V 3A Adjustable Switching Regulated DC Bench Power Supply with High Precision 4-Digits LED Display, 5V/2A USB Port, Coarse and Fine Adjustments Jesverty SPS-12003

【Automatic Power Calculation】Adjustable DC power supply accuracy up to 0.01V and 0.001A, constant voltage (C.V.) and constant current (C.C.) mode automatic conversion and can automatically calculate power values according to voltage and current. In addition, the backlit 4-bit LED display provides more accurate readings of voltage and current values, which are easy to see even in low light conditions. 【5V / 2A USB Interface】Variable power has built-in quick charging protocol identification chip, supporting USB quick charging function, it has 5V/2A output can be quickly charged mobile phones or other devices or used for charging equipment repair, very convenient. 【Safe & Reliable】With a variety of safety protection measures, including grounding wire, leakage protection, thermal protection, voltage overload, power overload, short circuit protection, and the power supply is equipped with intelligent temperature control fan and heat sink, heat dissipation effect is good, can effectively continue to work. Extend product life. 【Widely Used】Jesverty DC desktop power supply size is only 7.09x 3.35x 6.1 inches, more flexible and compact than ordinary power supply, very suitable for laboratory, school, maintenance, electrolysis, electroplating, brush plating, lamp testing, aging test, battery charging, home DIY and other requirements. 【Packaging & After-Sales】1 x power host, 1 x output power line, 1 x input power line, 1 x user manual, we provide lifelong technical support. If you are not satisfied with the product you have received, please feel free to contact us.