In this guide, we will delve deep into the features, benefits, and critical factors to consider when choosing a portable handheld variable DC power supply. . Check each product page for other buying options. Need help? . The VS-10a power supply is a light weight, portable, non-isolated “variable source” from 0 volts to 150 Vac or 0 volts to 150 Vdc and rated for up to 10 amps, thus the name VS-10a. It is comprised of an illuminated voltmeter that reads to the first significant digit, AC variable system output. . This power supply is a necessity for all in-shop and field-service electrical technicians. Both the voltage and current output levels can be simultaneously read and monitored with the highly accurate meters. The separate output terminals for both AC and DC voltage provide convenient hookup. . off w/ promo code EDF334, limited offer off w/ promo code EDF294, limited offer Did You Find It? Search Newegg. Get fast shipping and top-rated customer service. . Power your tests with up to 375W across three independent channels in a compact benchtop design. With high accuracy, low noise, and flexible control, it's ideal for demanding applications Explore the Product Autoranging for wider voltage and current test envelope. Ideal for electronics, lab work, and DIY projects.