Custom Power Solutions: How XJK Meets OEM Demands Efficiently

Discover how XJK delivers fast and flexible custom power solutions for OEM clients worldwide. From connector changes to compliance with international certifications, we turn your power supply ideas into reality—with short lead times, full documentation, and expert support from our factory in Dongguan, China.

In the power supply industry, not all customers are looking for off-the-shelf products. Many OEM clients require customized power solutions tailored to the unique demands of their applications—whether it’s for medical devices, industrial systems, or consumer electronics.

At XJK, we’ve been serving these custom needs since 2004 from our factory in Dongguan, Guangdong Province, China. Here’s how we help OEM clients bring their ideal power products to life.


1. 🔧 Common Types of Customization Requests

Our clients often approach us with the following custom requirements:

  • Mechanical Design Adjustments
    Adapt the adapter’s size and shape to fit restricted device housings or enclosures.
  • Output Modifications
    Fine-tuning voltage, current, or output protection (e.g., OVP, OCP) for specific end-use conditions.
  • Connector & Cable Variations
    Support for different DC connectors including USB-C, Barrel connectors, DIN, Molex, and others.
  • Certification Requirements
    Ensuring products comply with international standards such as CE, UL, PSE, KC, or CCC.
  • Branding & Packaging Customization
    From private label branding to customized boxes and instruction manuals—we offer full OEM packaging solutions.

2. ⚙️ How XJK Handles Custom Projects

With a vertically integrated team combining R&D, manufacturing, and testing under one roof, we can manage complex customization projects with speed and accuracy.

  • Rapid Prototyping: 3–5 days sample turnaround based on specs.
  • Flexible MOQ: We support small and medium-sized orders for custom SKUs.
  • Full Documentation: Specification sheets, 3D drawings, safety reports.
  • Pre-Certification Support: We can help you pass required compliance checks from day one.
  • Fast Feedback Loop: English-speaking engineers + responsive support team.

3. 📌 Case Example: From Bulk to Slim

A European client once requested that we reduce the height of a 90W power adapter to fit a compact medical device. In just under a week, our engineers redesigned the internal layout, optimized heat dissipation, and delivered a working sample that maintained CE compliance and DOE VI efficiency. The product was eventually rolled out in volume for EU markets.


4. 🤝 Why OEMs Trust XJK

We’re not just a contract manufacturer—we’re a technical partner. Our goal is to help customers reduce development time, maintain safety compliance, and ensure long-term product reliability. Every project is treated with care, from concept to mass production.


📞 Ready to Customize Your Power Supply?

If you’re looking for a trusted partner to build your custom power adapters, chargers, or PoE units—contact XJK today. We’re here to turn your specifications into certified, production-ready solutions.

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