The ZX-1U51T is a compact 20W USB-C GaN wall charger designed for stable fast charging and long-term OEM supply.
Built with GaN technology and synchronous rectification, it delivers reliable PD fast charging performance in a small form factor, making it ideal for brand owners, distributors, and retail channels requiring consistent quality and scalable manufacturing.
🔹 Key Features
·20W PD Fast Charging Output - Stable USB-C output supporting 5V / 9V / 12V power profiles for mainstream fast-charging devices.
·Advanced GaN Technology with Synchronous Rectification - Higher energy efficiency and reduced heat generation in a compact wall charger design.
·V0 Fireproof PC Housing - Flame-retardant, heat-resistant, drop-protected enclosure with anti-fingerprint surface.
·100% Aging Tested for Reliability - Every unit undergoes full-load aging test before shipment to ensure long-term stability.
·OEM & Brand Customization Ready - Suitable for private label, brand customization, and bulk supply projects.
🔹 Charging Performance & Device Compatibility
Supporting PD fast charging up to 20W (5V / 9V / 12V), the ZX-1U51T USB-C phone charger is compatible with a wide range of USB-C powered devices, including:
·iPhone 13 / 14 / 15 / 16 / Pro / Pro Max series
·Samsung Galaxy S22 / S23 / S24 / S25 series
·iPad Pro / iPad Air
·Google Pixel, Huawei, Xiaomi, LG smartphones
·Nintendo Switch, wireless earphones, power banks, tablets, and other USB-C devices
This 20W USB-C charger is widely used as a mobile phone charger and PD wall charger for both consumer and commercial applications.
🔹 Design, Materials & Safety
Housing Material: V0 fireproof PC
Structural Features: Ball pressure tested, fire-retardant, drop-resistant
Thermal Control: Optimized internal layout with GaN components for stable heat dissipation
The charger is engineered for safe daily use and reliable operation in global markets.
🔹 Reliability Testing & Compliance
The ZX-1U51T is designed and tested in accordance with international electrical and safety compliance requirements, including standards related to IEC, EMC, and LVD regulations.
Testing includes:
·100% aging test (2 hours, full load)
·High and low temperature operation tests
·Humidity endurance test (5%–90% RH, 72 hours)
·Vibration and mechanical reliability testing
·Full-load efficiency test (≥85%)
These processes ensure stable performance during long-term use and international distribution.
🔹 Dimensions & Weight
Dimensions: 31 × 32 × 32 mm
Weight:
·EU / KR version (white): 42.3 g
·UK version (white): 58.3 g
Compact size makes it suitable for travel chargers, retail packaging, and bundled accessories.
🔹 OEM & Manufacturing Capability
The ZX-1U51T is developed for OEM and ODM charger projects, supporting customization of:
·Logo printing: Support silk printing and laser engranving
·Housing color
·Packaging design: Customized color box and carton
·Customized: Plug types (EU / UK / US / KR / AU ,etc.)
·Charger ID design
·Customized charger specifications
·We can assist in the procurement of third-party data cables and quality control of data cables. And complete the packaging of the charger and data cable.
Backed by Zonsan’s in-house R&D team, automated production lines, and quality control system.
🔹 Why Choose a 20W USB-C Charger?
A 20W USB-C fast charger offers an optimal balance between charging speed, safety, and portability.
It provides faster charging than standard adapters while maintaining compact size and excellent thermal control, making it a popular choice for modern smartphones and tablets.
🔹 Frequently Asked Questions (FAQ)
Q1: Does the ZX-1U51T support PPS fast charging?
A: No. This model does not support PPS. Zonsan offers other GaN chargers with PPS support upon request.
Q2: Is this charger suitable for OEM or private label projects?
A: Yes. It is designed for stable OEM supply with consistent structure, performance, and certification support.
Q3: What devices can this 20W USB-C charger support?
A: It supports most USB-C devices, including iPhone, Samsung Galaxy, iPad, Google Pixel, Nintendo Switch, and more.
Q4: Is every unit tested before shipment?
A: Yes. All units undergo 100% aging test and reliability inspection before delivery.