
Manufacturing Excellence
15+ Years of Power Supply Manufacturing
Trusted by 500+ global clients with over 10 million units exported. Our ISO 9001 certified factory delivers consistent quality with industry-leading defect rates.
Years Experience
Since 2011
Units Exported
Global shipments
Global Clients
Across 80+ countries
Defect Rate
Below industry avg
5V Product Line
5V Power Supply Series — 2.5W to 20W
Complete range of 5V AC/DC adapters from 5V 0.5A to 5V 4A, all UL/FCC/CE certified with Level VI energy efficiency.
Certifications & Compliance
Fully Certified for Global Markets
All our 5V power supplies pass rigorous safety and EMC testing, carrying international certifications required for market access in North America, Europe, Australia, India, and beyond.
UL
Underwriters Laboratories
CUL
Canadian UL
FCC
Federal Communications Commission
CE
Conformité Européenne
ROHS
Restriction of Hazardous Substances
CB
IEC Certification
RCM
Regulatory Compliance Mark
BIS
Bureau of Indian Standards
OEM & ODM Services
Custom 5V Power Supply Solutions
Full customization support from prototype to mass production. We tailor every detail to your specifications — voltage, current, plug type, housing, packaging, and branding.
Custom Voltage & Current
Tailored output from 5V to 48V, 0.5A to 15A to match your exact device requirements
Plug & Cable Customization
US, EU, UK, AU, JP plug types with custom cable length, gauge, and connector options
PCB & Housing Design
Custom PCB layout, enclosure design, silk-screen printing, and mold development
Private Label Packaging
Branded packaging, user manuals, labels, and barcode printing with your logo
Why Choose TQ Power
Your Trusted 5V Power Supply Partner
Factory Direct Pricing
Cut out the middleman — source directly from our ISO 9001 certified manufacturing facility for the best value
15+ Years Expertise
Over a decade and a half of power supply design, manufacturing, and quality control experience
Global Compliance
Full certification portfolio covering UL, FCC, CE, CB, RCM, BIS — ready for any market worldwide
Quality Guaranteed
Less than 0.1% defect rate with 100% burn-in testing, aging tests, and hi-pot testing on every unit
Flexible MOQ
Support for small trial orders and large bulk production — MOQ as low as 100 pieces for standard models
Fast Delivery
7-15 day lead time for standard orders, with expedited production available for urgent requirements
Get Factory Direct Quote for 5V Power Supplies
Tell us your 5V power supply requirements — current, quantity, and certification needs. Our engineering team will provide a competitive factory direct quote within 24 hours.











