The 18W horizontal interchangeable plug power adapter is a power supply device that supports a wide-range adjustable output of 5-24VDC. Its core value lies in its UL/CE/FCC multi-country certifications, providing stable power supply that flexibly adapts to different countries and devices.
Technical Specifications
| Parameter | Value |
| Model | YN18W |
| Input Voltage | AC100-240V |
| Output Voltage | 5-24VDC (Adjustable) |
| Output Current | 0.01-3.2A |
| Maximum Power | 18W |
| Plug Type | Interchangeable Plug (Multi-country Standards) |
| DC Connector Specification | Optional |
| Application Fields | Small Appliances, IT Equipment, Networking Equipment |
| Certifications | UL, CE, FCC, KC, PSE, SAA, RoHS |
Product Features
- Global Universal Design: Supports AC100-240V wide-range voltage input, paired with an interchangeable plug structure, compatible with multiple national power standards, eliminating the need for additional converters during travel or export.
- Flexible Adjustable Output: Output voltage adjustable from 5-24VDC, current from 0.01-3.2A, compatible with various devices such as routers, cameras, and switches, serving multiple purposes with one unit.
- Horizontal Portable Structure: Horizontal body design for easy portability and storage. The interchangeable plug reduces cable tangling, enhancing user convenience.
- Optional DC Connector Specifications: Offers a variety of DC connector interface options to meet different device interface requirements, avoiding the hassle of adapters.
- Efficient and Stable Output: 18W maximum power ensures stable device operation, suitable for long-duration continuous work scenarios.
- Multiple Safety Certifications: Passed international certifications such as UL, CE, FCC, KC, PSE, SAA, RoHS, ensuring reliable quality and guaranteed safety.
Applicable Scenarios
- Consumer Electronics
Smartphones, tablets, laptops, gaming consoles for PD fast charging and conventional charging, supporting PD3.0/QC4+/PPS full protocols. - Medical Equipment Power Supply
Patient monitors, ventilators, portable medical equipment, ultra-low leakage current, certified to IEC EN60601 medical grade. - Industrial Control & LED Lighting
Industrial switches, industrial PCs, LED displays, security surveillance, wide-range voltage 9-58VDC adjustable, adaptable to harsh grid environments. - Network Communication & IoT
Routers, switches, fiber optic terminals, IoT gateways, high-reliability uninterrupted power supply, certified with UL/CE/FCC.
Frequently Asked Questions
Does this power adapter have protection functions? What happens during overvoltage or overcurrent?
This unit has built-in multiple safety protections: ① Overvoltage Protection (OVP) – Automatically shuts down when output voltage exceeds the set value (typically 110~120%) to prevent damage to downstream equipment;
② Overcurrent Protection (OCP) – Automatically limits current or shuts down when output current exceeds the rated value;
③ Short Circuit Protection (SCP) – Immediately shuts down when output is short-circuited, and automatically recovers after the short circuit is removed;
④ Overtemperature Protection (OTP) – Reduces power or shuts down when internal temperature exceeds 85°C, and automatically recovers after cooling. The adapter automatically restores power after the fault is cleared, no manual restart required.
Is this power adapter constant voltage output or adjustable output?
Determined by the model specification: Fixed voltage versions output the nominal voltage (e.g., 12V/24V), suitable for most standard devices; Adjustable voltage versions allow output voltage adjustment within a specified range via a potentiometer knob (e.g., 9~48V adjustable), suitable for R&D testing and multi-device compatibility scenarios. Usage notes for adjustable versions: ① Disconnect the load before adjusting;
② Confirm the voltage matches the device after adjustment before powering on;
③ For long-term use, it is recommended to fix the knob position to prevent accidental changes. For batch applications, fixed voltage versions are recommended (more stable, lower cost).
What is the plug type for this power adapter? Can it be changed?
The factory default plug type is selected based on the target market (US Type A/B, EU Type C/F, UK Type G, AU Type I, etc.). Many models support an interchangeable plug design (modular plug), allowing one adapter to be paired with multiple country plug modules for global use. To change the plug, simply pull out the existing plug module and insert the new one, no tools required. If your equipment needs to be sold in multiple countries, it is recommended to choose the interchangeable plug version (for increased flexibility) or specify the plug type for the target market (for lower cost).
Does this power adapter support global voltage input?
This unit supports AC 100~240V wide-range voltage input, covering major global grid standards (US 110V, Europe 220V, Japan 100V, Australia 230V, etc.), supporting 50/60Hz frequency. Combined with the interchangeable plug design, one adapter can be used in any country worldwide, especially suitable for export product matching and multinational projects.
Can I customize the logo and packaging after purchasing this power adapter?
Yes. Yingna Technology offers OEM customization services: ① Housing Logo – Silk screen/pad printing/laser engraving (MOQ 500 units);
② Custom Packaging – Color box/white box/neutral packaging (brand, model, parameters can be customized);
③ Product Label – Includes customer model, certification marks, SN code, etc.;
④ Factory Parameters – Output voltage can be preset according to customer specifications;
⑤ Multi-language manual customization. OEM custom MOQ is typically 500 units, delivery 15~25 working days after sample confirmation. Standard products (non-custom) MOQ 100 units, in-stock inventory can ship within 48 hours.
What is the maximum output power of this power adapter? What load can it handle?
The maximum output power of this unit is determined by the model specification. When selecting adapter power, it is recommended to calculate the minimum adapter rated power as "Device Power ÷ 0.8" (i.e., P_adapter ≥ P_device ÷ 0.8). For example, if the device requires 200W, it is recommended to choose a 250W or higher adapter. Choosing too small will cause adapter overload and heat, shortening lifespan; choosing too large increases procurement cost and size.
Can this power adapter be used outdoors or in harsh environments?
This unit is suitable for indoor environments (operating temperature 0~40°C, relative humidity 20~80%). Special handling is required in the following harsh environments: ① High temperature environment (>40°C) – Derate usage (reduce power by 15% for every 10°C increase), or choose an industrial-grade wide-temperature model (-20~60°C);
② High humidity environment – Install a moisture-proof sealed box;
③ Outdoor exposed environment – Choose an IP67 waterproof model or install a waterproof box;
④ High altitude areas – Reduced heat dissipation efficiency, requiring derated usage. If your application environment has special requirements, please inform us in advance, and Yingna can provide customized solutions.
What is the difference between a PD fast charger adapter and a regular adapter?
PD fast charger adapters support the USB PD (Power Delivery) protocol. Core advantages: ① Smart Voltage Regulation – Outputs multiple voltage levels such as 5V/9V/12V/15V/20V via USB-C interface, intelligently matching device needs;
② Bidirectional Power Supply – Supports forward charging and reverse charging;
③ High Power – Supports PD3.0 up to 100W, PD3.1 up to 240W;
④ Multi-device Compatibility – One adapter for phones, tablets, laptops, etc. Regular adapters output a fixed voltage (single voltage), suitable for powering a single device. If your device supports the PD protocol (e.g., iPhone, MacBook, iPad, etc.), it is recommended to choose a PD fast charger adapter.
What is Energy Efficiency Level VI? What are the requirements for power adapters?
Level VI is the sixth-generation energy efficiency standard established by the US DoE (Department of Energy), mandatory since February 2016. Core requirements: ① No-load power consumption ≤ 0.1W (Level V was 0.3W);
② Average conversion efficiency ≥ 87% (for ≥150W models) or ≥ 87.3% (for <150W models).<150WLevel VLevel VI15~20%Level VIErP
What is the polarity of this power adapter's plug? Is it center positive and outer negative, or center negative and outer positive?
The DC connector polarity of this unit is set to center positive and outer negative (center is positive) by default, which is the standard polarity for most electronic devices. A few special devices (such as some communication equipment and guitar effects pedals) require center negative and outer positive. Please check the original adapter label or the polarity marking on the device (usually indicated by a "-○ +" symbol, where the dot represents the center polarity) before use. If your device requires center negative and outer positive, Winna can provide a reverse polarity DC connector, or you can rewire it yourself (this does not affect the warranty). Note: Incorrect polarity may damage the device; please confirm the polarity is correct before first use.
What certifications does this power adapter have? Does it have UL/CE/FCC certificates?
This unit is certified with UL (US safety certification), CE (EU safety certification), and FCC (US electromagnetic compatibility). Some models also offer optional certifications such as PSE (Japan), KC (South Korea), SAA (Australia), and CCC (China Compulsory Certification). The UL certification number is traceable, and CE declaration documents are complete. For bulk purchases, we can provide copies of the UL certification, CE declaration, and FCC test report simultaneously, ensuring smooth export customs clearance and customer factory audits. For overseas customers with specific certification requirements, we can arrange separate certification applications.
What is the warranty period and after-sales service for this power adapter?
The standard warranty period for this unit is 2 years. Within the warranty period, free repair or replacement is provided for non-human-induced damage. Domestic customers receive a 48-hour response time and repair completion within 7 working days; overseas customers can arrange repair via DHL/FedEx or through local agents for warranty service. For products beyond the warranty period, paid repair services are available (cost approximately 30-50% of a new unit). Lifetime technical support is provided (including selection consultation and application solution design). Customers with annual framework agreements enjoy value-added services such as priority production scheduling, free samples, and factory inspection support. For bulk purchases (500 units or more), an extended warranty of up to 3 years can be requested.
