DC-DC Power Supplies are intended for OEM applications.

Press Release Summary:



XL125 DC-DC and XL160 DC-DC families are offered in 14 models specifically designed for OEM applications where very small size, high efficiency, and reliability are critical. The achieve 90% efficiency using packaging technology that leaves heat in load, not in power supply, reducing power consumption. Series includes dual-output and tri-output models with options from 3.3-48 V. Units are RoHS, UL, CE Mark, and FCC Class B certified.



Original Press Release:



N2Power Announces DC-DC Power Supplies



14 Models for the OEM Market

SIMI VALLEY, Calif., June 29, 2009 - N2Power, a Qualstar Company (NASDAQ: QBAK), today announced its first DC-DC power supplies. The XL125 DC-DC and XL160 DC-DC families are specifically designed for OEM applications where very small size, high efficiency and reliability are critical.

These new DC-DC power supplies compliment the AC versions of the same families that are particularly popular with telecom systems manufacturers.

90% power efficiency is achieved utilizing N2Power's unique "green" packaging technology. The XL125 DC-DC and XL160 DC-DC families deliver more power in less space, while reducing wasted input power and lowering cooling requirements. These unique designs leave the heat in the load, not in the power supply, reducing power consumption, improving reliability and lowering cost of ownership.

"Our OEM customers requested DC input versions of our successful AC designs," said Randy Johnson, N2Power Business Unit Manager. "They want to extend the benefits they have gained buying our AC power supplies to their DC requirements."

The new XL125 DC-DC and XL160 DC-DC families offer designers an extensive range of capabilities. Fourteen dual-output and tri-output models deliver options from 3.3 volts to 48 volts. N2Power supplies meet a full range of international agency requirements, including RoHS, UL, CE Mark and FCC Class B.

N2Power's products are sold worldwide through its network of representatives and distributors. Sample units are available. Call 805-583-7744 or visit www.n2power.com for further information.

About Qualstar Corporation

Qualstar manufactures automated tape libraries and power supplies. Its products are known throughout the world for energy efficiency and rugged, Simply Reliable designs yielding years of trouble-free operation. Qualstar tape libraries are sold, installed and supported worldwide to backup, archive and protect data from incidental and catastrophic loss. Its N2Power brand switching power supplies are sold worldwide to OEM manufacturers who require both industry-leading high power efficiency and very small size for their products. Qualstar Corporation is publicly traded on the NASDAQ National Market under the symbol QBAK. More information is available at www.qualstar.com, www.n2power.com or by phone at 805-583-7744.

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