Pyramid PSV300 13.8V 30A Compact Bench Switching DC Power Supply pre owned/ has some cosmetic wear/ powers on/ sold as is as we cannot test any further Item pictured is the same exact item you will receive The Pyramid PSV-300 is a heavy-duty switching DC power supply designed for bench, hobby, and equipment testing use. Below are the detailed specs based on the manufacturer?s manual and multiple retailer descriptions: Electrical Specifications Input Voltage: 110?120V AC (manuals state North American standard; some listings note switchable 115/230V AC for international use). Input Frequency: 60 Hz. Output Voltage: 13.8V DC 0.5V. Output Current: Up to 30A continuous. Output Ripple: 150 mV RMS. Line/Load Regulation: Less than 5%. Features Type: Switching power supply (regulated). Overload Protection: Electronic shutoff and fuse (6A/250V). Overheat Protection: Cooling fan is temperature-controlled; auto shutoff above 100C with auto-resume after cooling. Short Circuit Protection: Yes. Front Panel: Illuminated ON/OFF switch, red/black output binding posts (also support banana plugs). Cooling: Built-in temperature-sensing fan. Housing: Rugged and compact for bench-top use. Physical Specifications Dimensions: 8.5? x 8.3? x 2.6? (L x W x H inches) 215 x 68 x 211 mm (from owner?s manual) Weight: Approximately 4.96 lbs (2.25 kg). Output Connectors: Binding posts, support 10A/125V and up to 16-gauge wire. These specifications make the Pyramid PSV-300 suitable for powering automotive electronics, CB and ham radios, hobbyist electronics, and other 12V DC devices in a workshop or bench setting We are wholesaler/liquidators. We bought this in a lot of items to resell. We are counting upon you to know what you are buying and if this item will suit your needs. This is being sold AS-IS. No returns. Please only purchase this if you agree to those terms. Thanks for looking at our listing and supporting our small family business! SHELF:54 SA