A Qualstar Corporation subsidiary
High-efficiency, ultrasmall power solutions.
N2Power designs and manufactures energy-dense, open-frame and enclosed switch-mode power supplies for OEM markets worldwide. Patented packaging technology delivers more power in less space with efficiency ratings up to 94%.

Efficiency
Up to 94%
Power range
40 W - 750 W
Products
2,000+ models
Warranty
3 years standard
20+ years of power design expertise
Patented ultrasmall packaging technology
UL/IEC/EN 62368-1 and 60601-1 certified
Global support: USA, Singapore, China
Featured products
From compact open-frame to rack-scale power.

XL750 AC-DC
750W | Up to 94%
750W flagship with I2C/PMBus digital management.

XLM500 AC-DC
500W | Up to 94%
Medical-grade 500W with EN 60601 and 62368 dual certification.

XL375 AC-DC
375W | Up to 93%
375W with 260W convection and >15 W/cu in.

XL180 AC-DC
180W | Up to 94%
180W with 94% efficiency — fanless at full power.
Product categories
Three power tiers, 20+ standard models.
Contact routes
Sales, support, and partner access.
Sales
Request pricing, samples, or a custom configuration.
Direct form flow for OEM inquiries, quoting, and program discussions.
Support
Open a technical or warranty support request.
Gather the right issue details before routing directly to N2Power support.
Partner Portal
Log in to partner-only resources and collateral.
Send distributors and channel partners straight to the portal login.
About N2Power
Minimizing energy consumption and heat waste since 1999.
N2Power was established in Southern California in 1999, specializing in ultrasmall, reliable, energy-efficient power supply units for OEM markets. In 2002, Qualstar Corporation (NASDAQ: QBAK) acquired N2Power as a wholly owned subsidiary.
The company achieved power efficiency ratings exceeding 90% well before 2006 federal minimum requirements were established. Today N2Power operates from Camarillo, CA with international offices in Singapore and Shenzhen, China.
N2Power delivers state-of-the-art standalone switch-mode power supplies and power assemblies across ITE, broadcast, industrial, kiosk, medical, gaming, lighting, and test equipment sectors. ISO certified with over 2,000 power supply products.
Core differentiators
- Patented packaging techniques deliver more power into smaller spaces.
- Convection-cooled at full power across the compact product line.
- 3,000-4,000 VAC input-to-output safety isolation across product families.
- Active current sharing and built-in OR-ing for N+1 redundancy.
- Free samples available for qualified OEM evaluation.
- In-house engineering team for custom and modified standard solutions.

Certifications
ISO certified. UL/IEC/EN 62368-1, UL/IEC/EN 60601-1 (3.1 edition, medical), and EN 60601-1-2 (4th edition EMC). RoHS compliant.
Markets served
Comprehensive power solutions across industries.
Industrial
Ruggedized power supplies for factory automation, test equipment, kiosks, and process control. Wide operating temperature ranges and high MTBF ratings.
ITE / Broadcast
Power solutions for networking, telecom, broadcast, and IT infrastructure. UL/IEC 62368-1 certified with active PFC and PoE-compliant options.
Medical
EN 60601-1-2 4th edition certified power supplies with 2xMOPP isolation (4,000 VAC). Suitable for BF patient-contact applications.
Gaming
Compact, high-efficiency units designed for gaming cabinets and amusement systems. Available in open-frame and enclosed configurations.
Lighting
High-density constant-voltage drivers for LED and architectural lighting applications with convection cooling capability.
Custom / OEM
Modified standard and fully custom power solutions. In-house engineering team provides design-to-spec, prototyping, and volume production through OPSM.
OPSM
Optimized Power Systems Manufacturing.
Beyond standard and modified power supplies, N2Power offers complete Optimized Power Systems Manufacturing for OEMs that need fully integrated power assemblies built to specification.
- Design-to-spec custom power solutions with in-house engineering.
- Complete power assembly integration including wiring harnesses, connectors, and enclosures.
- Prototyping through volume production with ISO-certified quality controls.
- Available configurations: open-frame, U-frame, hot-swap, enclosed, and fully custom chassis.
Chassis options

Leadership
N2Power management team.
Steven N. Bronson
40+ years of business and entrepreneurial experience spanning investment banking, operations, and management. Steven has served as President and CEO of both N2Power and Qualstar since July 2013. Previously led Interlink Electronics as CEO/Chairman/President. Holds multiple FINRA securities licenses.
Ryan J. Hoffman
Over two decades of auditing and professional accounting experience. Former partner at RSM (16 years) and previously at Ernst & Young. Specializes in software and revenue recognition accounting. Licensed CPA and Chapman University graduate.
Get started
Request a sample, datasheet, or custom power solution.
N2Power offers free samples for qualified OEM evaluations. Contact the team for datasheets, pricing, custom design consultations, or OPSM assembly inquiries.
Phone: 805.583.7744 | Camarillo, CA
Parent company
N2Power is a wholly owned subsidiary of Qualstar Corporation.
Qualstar Corporation (NASDAQ: QBAK), founded in 1984, specializes in LTO tape storage libraries for cyber-resilient, energy-aware archive automation. The acquisition of N2Power in 2002 expanded Qualstar's engineering and manufacturing capabilities.

