Your best source for reliable DC Power Supply, call us at 408-622-9851 for product questions and ordering.
Regulated DC Power Supply
Hot Air Rework Station
Digital Oscilloscope
Battery Charger

Technical support

Volteq Power Supply Forum is the place where you can get your support questions answered by our knowledgeable staff and experts in your field, and learn about how to best use and protect your Mastech power supplies to extend useful life for them.

In the last three years, we have engineered the reliability and fault tolerance to the next level by adding over-voltage and reverse-voltage protection to most of the updated models under the new brand of Volteq. For information on our updated models of regulated variable DC power supplies with over-voltage and reverse-voltage protection, please visit our new site

If you have questions related to your order, please call us or email us at

Dependable Power Supply, Superior Service!