Check the listing for details. TekPower TP1540E DC Adjustable Switching Power Supply 15V 40A Digital Display. Condition: New. Listed at 199.95 USD. The TekPower TP1540E is a professional DC regulated power supply from TekPower. This is a highly stable, high quality switching power supply with its output continuously adjustable at 0-15V DC and 0-40A for main output on the back. There is also an Aux output with 5A max on the front. This model is specifically designed with low ripple and noise. The unit comes with a large LCD displays, providing accurate readout for the voltage and current values. It has a build in fuse protection and comes with basic 1 year USA warranty.Features and Specifications: Adjustableoutputs: 0-15V and 0-40A Variable controls for both current and voltage outputs, front AUX outputs is 5A maxInput voltage: 110VRipple noise: 100 mVProtection: Overload and overheat protectionEnvironment: 0-40C, relative humidity < 90%Size: 13 X 3.5 X 8.5 inchesWeight: 6 lbsWarranty: 1 year