9V DC 1A AC Adapter Switching Power Supply Neg- Center

Switching Power Supply

Center Pin is Negative (-)

(5v, 9v and 12v are also available. See other item link below)

(Reversed, Positive (+) Center Pin is also available. See other item link below)

Email seller your pin center diameter. 2.1 mm or 2.5 mm diameter only.

=======================================

* This 9V unit has a built in BLUE LED Power Indicator

* 9V is best choice for Step Down to 5v AND Step Up to 12v.

* 1 Ampere Rating is best used directly to 9V LED Cluster and many 9V devices.

* HIGHEST QUALITY. HIGHEST POWER RATING.

* Highest Power Rating to power most projects.

* 40% more power & Switching Power Supply

* Best Power & DC-Regulation Combined!

* Buy multiple units, stock up.

* Replace your old unreliable and under-powered units.

* Optimize precious work space. Remove clutters

* Portable and light weight. Easy to bring along.

* Contact seller for volume purchase for customized product integration.