Why Choose WJW as Your USB Charger Manufacturer?
16 Years of Power
Electronics Expertise
With over 16 years of experience in charger manufacturing, we understand the technical requirements and quality standards needed for global markets. Our ISO 9001 factory has served 500+ clients across Europe, America, and the Middle East.
01Wide Power Range
5W to 100W
From basic 5W adapters for wearables to 100W GaN chargers for laptops, supporting PD 3.0, QC 3.0, and PPS protocols.
02GaN Tech for
Compact Power
As an experienced GaN manufacturer, we deliver 100W performance in housings half the size of traditional silicon models with superior heat dissipation.
03Certified Quality &
Global Compliance
All USB chargers are CE, FCC, and RoHS certified. UL certification is available for North America. Every unit undergoes 100% full-load aging testing before shipment, with full documentation provided.
04USB Charger Types We Manufacture
HARDWARE SPEC v2.0Standard USB-A Wall Chargers
Reliable, economical chargers for everyday devices. Perfect for e-readers, Bluetooth speakers, and legacy hardware.
USB-C PD Fast Chargers
High-speed Power Delivery for modern devices. Capable of charging iPhone 16 to 50% in just 30 minutes.
Qualcomm Quick Charge
Optimized charging solutions for Android-based ecosystems including Samsung, Pixel, and Xiaomi devices.
Multi-Port Hub Chargers
Consolidate your power needs. Charge up to 4 devices simultaneously with intelligent load balancing.
GaN High-Efficiency
Next-gen Gallium Nitride technology. Delivering massive power in a chassis 50% smaller than standard silicon chargers.
Technical Specifications & Power Options
| Power | Output Profile | Protocols | Plug Types | Compatibility |
|---|---|---|---|---|
| 5W | 5V/1A | Standard USB | USEUUKAU | Bluetooth Earbuds, Fitness Trackers, E-readers |
| 12W | 5V/2.4A | Apple Fast Charge | USEUUK | Legacy iPhone, iPad Air/Mini series |
| 20W | 5V/3A, 9V/2.22A, 12V/1.67A | PD 3.0 | Global Range | iPhone 12-16 series, MagSafe Wireless Chargers |
| 30W | 5V/3A, 9V/3A, 15V/2A, 20V/1.5A | PD 3.0 / PPS | USJPKREU | iPad Pro, MacBook Air (M1/M2), Google Pixel |
| 65W | 5V/3A, 9V/3A, 15V/3A, 20V/3.25A | PD 3.0 / PPS / QC 4+ | All Regions | MacBook Pro 13"/14", Dell XPS 13, Surface Laptop |
| 100W | 20V/5A (Single Port Max) | PD 3.0 / PPS (E-Marker) | US/EU/UK | MacBook Pro 16", High-end Gaming Laptops, Workstations |
GaN TECHNOLOGY
Next Gen Charging SolutionWhat is GaN?
GaN (gallium nitride) is a high-performance semiconductor that operates significantly faster than traditional silicon. This allows us to pack more power into smaller spaces with 95% efficiency and superior heat management.
| Specifications | Standard Silicon | WJW GaN Pro |
|---|---|---|
| Size Efficiency | Baseline | 50% Smaller |
| Energy Loss | ~12-15% | < 5% |
| Heat Control | Standard | Active Cooling |
| Power Density | Medium | Ultra High |
The pocket-sized powerhouse. Optimized for iPad Pro and the latest smartphones.
Smart 2-port distribution. Effortlessly power your laptop and phone together.
3-port high-speed matrix. The only charger you need for your entire tech ecosystem.
Safety Features – Multi-Protect System
Over-Current
Automatically limits current to prevent damage to connected devices. Ensures safe charging even during power fluctuations.
Over-Voltage
Shuts down charger if input voltage exceeds safe limits, protecting both charger and connected devices.
Over-Temperature
Built-in thermal sensors reduce power output or shut down if internal temperature exceeds safe threshold.
Short-Circuit
Instant shutdown if short circuit detected. Auto-reset when fault is cleared.
Full-Charge Auto Cutoff
Automatically stops charging when device battery reaches 100%, preserving battery health and saving energy.
Flame-Retardant Housing
All chargers use UL94 V-0 rated flame-retardant materials for maximum safety.
Global Plug Standards
We manufacture chargers with all major plug types to meet your target market requirements. For travel charger projects, we offer interchangeable plug adapters that cover all major regions in one compact design.
Complete OEM/ODM Customization Services
Custom Logo & Branding
Your brand, your identity. We offer laser engraving on metal surfaces, silk screen printing on plastic housings, and custom packaging with your logo. Perfect for private label brands and retail programs.
Request Sample Branding →
Custom Power Specifications
Need a specific power output or charging protocol? Our engineering team can customize PD wattage, QC versions, and port configurations to meet your exact requirements. From 5W to 100W solutions.
View Tech Protocols →
Custom Color & Material
Match your brand colors perfectly with Pantone color matching. Choose from premium finishes including matte, glossy, soft-touch, and high-end metal coatings.
Browse Finishes →
Custom Plug Configuration
We manufacture chargers with all plug types (US/EU/UK/AU/Universal). For projects targeting multiple markets, we offer interchangeable plug solutions.
Region Support List →
Custom Retail Packaging
Ready for store shelves. We design and manufacture custom packaging including blister cards, hang tags, gift boxes, and poly bags. Multi-language packaging support for global markets.
Packaging Design Guide →Quality & Certifications
Perfect For
Home & Bedroom
Nightstand chargers for phones and tablets
Office & Workspace
Desk chargers for productivity
Hotels & Hospitality
Guest room chargers and amenities
Travel & Business
Compact GaN chargers for frequent travelers
Retail & E-commerce
Private label chargers for online and physical stores
Corporate Gifts
Branded chargers for employees and clients
Frequently Asked Questions
Your professional guide to USB charging solutions and customization
01USB-A vs USB-C Chargers?
USB-A is the classic rectangular port (up to 12W). USB-C is the reversible modern standard supporting Power Delivery (PD) up to 100W, ideal for fast-charging laptops and phones.
02What is a GaN Charger?
GaN (Gallium Nitride) technology allows chargers to be 50% smaller and more efficient than silicon ones. They run cooler and are perfect for high-power travel adapters.
03What is PD Fast Charging?
Power Delivery (PD) is a universal USB-C standard. It dynamically adjusts voltage (5V-20V) to safely provide high wattage for a wide range of devices.
04PD vs Quick Charge (QC)?
PD is the open standard used by Apple and many laptops. QC is Qualcomm's technology for Android. Many of our chargers are dual-protocol compatible.
05Can I add my company logo?
Yes, we provide silk-screen and laser engraving for branding. Just send us your vector artwork for a mock-up and quote.
06What is the MOQ for custom orders?
MOQ for logo printing on stock is 500 units. For full OEM/ODM projects (custom casing/specs), it is 1,000-2,000 units.
07Sampling lead time?
Stock samples: 3-5 days. Custom logo samples: 10-15 days. Sample costs are usually refundable upon bulk order placement.
08What certifications are included?
Our chargers are CE, FCC, and RoHS certified. We can also apply for UL, PSE, CCC, or SAA for specific markets if required.
09Multi-port charger availability?
We offer 2-port to 4-port chargers. Smart power distribution ensures each device receives the optimal current for safe charging.
10Do you ship to Amazon FBA?
Yes, we handle SKU labeling and direct shipping to US/EU Amazon FBA warehouses, including customs clearance support.
11What is the warranty period?
We provide a standard 12-month warranty. For custom OEM projects, warranty terms can be tailored to your brand's policy.
12What are the payment terms?
We accept T/T and L/C. For mass production: 30% deposit and 70% balance before shipping. Samples via PayPal are accepted.
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