Premium Power Accessories
Manufacturer & Supplier

Since 2012, MuenPromo has been a trusted manufacturer of high-quality power banks, charging cables, and USB hubs. We specialize in custom OEM/ODM solutions with minimum order quantities as low as 100 units - perfect for brands, resellers, and startups.

CE/FCC/RoHS Certified
ISO 9001 Factory
18-Month Warranty
VoltCore power banks and accessories

Why Choose MuenPromo as Your Manufacturer?

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Custom Manufacturing

Full OEM/ODM services including product design, engineering, and custom packaging solutions

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Small MOQ

Minimum order quantities as low as 100 units with no hidden fees

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20+ Years Experience

Established electronics manufacturer with ISO 9001 certified production facilities

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Global Export

DDP shipping options to North America, Europe, and worldwide markets

Our Product Range

High-quality power accessories manufactured to meet global standards. All products available with custom branding and specifications.

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Best Seller

Ultra Slim 10,000mAh Power Bank

World's thinnest 0.5-inch portable charger with dual USB-C ports for simultaneous charging

  • PD 18W Fast Charging
  • 2x USB-C + 1x USB-A
  • Airplane Safe
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Pro Series 20,000mAh PD Power Bank

Professional-grade portable charger with 65W Power Delivery and precise LED battery display

  • 65W PD Charging
  • Digital Display
  • 2x USB-C + 2x USB-A
Custom electronics manufacturing process
Custom Branding Options:
  • Laser Etching & Silkscreen Printing
  • Custom Color Matching (Pantone)
  • Retail & Bulk Packaging

Custom OEM/ODM Solutions

As a factory with 10+ years of experience, we specialize in custom power solutions tailored to your brand and specifications. From private labeling to complete product development, we've got you covered.

  • Custom Specifications: Adjust capacity, ports, dimensions, and materials to your requirements
  • Branding Options: Laser etching, silk screen printing, custom packaging
  • Certifications: We handle CE, FCC, RoHS, PSE, and other compliance requirements
Request Custom Quote

Our Manufacturing Facility

State-of-the-art production with strict quality control at every stage

Automated production line

Automated Assembly

Modern SMT lines with automated optical inspection for consistent quality

Quality control inspection

Quality Testing

Rigorous testing including aging tests, drop tests, and electrical safety checks

Product packaging area

Packaging

Custom packaging solutions from simple bulk to premium retail boxes

Ready to Develop Your Custom Product?

Our engineering team can help you design the perfect power solution for your market. From concept to mass production, we handle every step with professional project management.

Trusted by Brands Worldwide

What our partners say about working with VoltCore

"VoltCore delivered exceptional quality on our custom power banks with very competitive pricing. Their MOQ allowed us to test the market before committing to large orders."
— Michael T., E-commerce Brand (USA)
"As a startup, their small MOQ was crucial for us. The product development support was professional and they met all our certification requirements."
— Sarah L., Tech Startup (UK)
"Reliable manufacturer with consistent quality. We've been ordering for 3 years and never had quality issues. Their logistics team handles shipping perfectly."
— James W., Distributor (Australia)

Ready to Power Your Business?

Whether you need standard products or custom solutions, our team is ready to assist with competitive pricing and reliable manufacturing.

FAQ