15W adjustable voltage power adapter, output 4.2-24V/2.5A, certified with dual safety standards IEC62368 and IEC61558, Level VI energy efficiency. Core value is wide-range adjustable voltage, compatible with multiple devices, safe and energy-saving.
Technical Specifications
| Parameter | Value |
| Input Voltage | AC100-240V 0.4A |
| Output Voltage | 4.2-24Vdc (Adjustable) |
| Output Current | 0.01-2.5A |
| Maximum Power | 15W |
| Dimensions | 53.98×38.98×24.68mm |
| Energy Efficiency Level | Level VI |
| Safety Standards | IEC62368 + IEC61558 |
| Application Fields | IT/AV equipment, household appliances, low-power portable devices |
Product Features
- Dual Safety Certification: Complies with both IEC62368 (audio/video/IT equipment safety) and IEC61558 (transformer safety) standards, ensuring device and user safety.
- Interchangeable Plug Design: Supports multiple replaceable plugs including European, American, British, Australian standards, easily adapting to socket standards in different countries and regions worldwide.
- Vertical/Horizontal Appearance Options: Offers two installation methods, flexibly adapting to different spatial layout requirements, balancing aesthetics and practicality.
- Level VI Energy Efficiency: Meets US Department of Energy DOE Level VI energy efficiency requirements, low standby power consumption, energy-saving and environmentally friendly, reducing long-term operating costs.
- Wide Output Range: Output voltage adjustable from 4.2-24Vdc, current from 0.01-2.5A, meeting power supply needs for various devices such as routers, robot vacuums, beauty devices.
Application Scenarios
- Consumer Electronic Devices
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 devices, ultra-low leakage current, certified with IEC EN60601 medical grade. - Industrial Control and LED Lighting
Industrial switches, industrial PCs, LED displays, security surveillance, wide voltage range 9-58VDC adjustable, adapting to harsh grid environments. - Network Communication and IoT
Routers, switches, fiber optic terminals, IoT gateways, high-reliability uninterrupted power supply, certified with UL/CE/FCC.
Frequently Asked Questions
Can I customize the LOGO and packaging after purchasing this power adapter?
Yes. Yingna Technology offers OEM customization services: ① Shell LOGO—silkscreen/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—including 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 customization MOQ is typically 500 units, delivery 15~25 working days after sample confirmation. Standard products (no customization) MOQ 100 units, in-stock inventory can ship within 48 hours.
What is the difference between a medical-grade power adapter and a regular power adapter?
Medical-grade power adapters must meet the IEC EN60601 standard. Core differences: ① Leakage current—regular adapters ≤0.5mA, medical-grade ≤0.1mA (BF type ≤0.1mA for patient contact parts);
② Isolation voltage—regular adapters 2×MOPP (4000VAC), medical BF type must meet BF type applied part requirements;
③ Insulation class—must meet double insulation or reinforced insulation requirements;
④ Creepage distance and clearance—≥8mm (BF type applied part). Medical equipment (monitors, ventilators, etc.) must use medical-grade adapters; regular adapters are prohibited for medical applications.
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 treatment is required in the following harsh environments: ① High temperature (>40°C)—derate usage (power reduces 15% for every 10°C increase), or choose industrial-grade wide-temperature models (-20~60°C);
② High humidity—install moisture-proof sealed box;
③ Outdoor exposed environment—choose IP67 waterproof model or add waterproof box;
④ High altitude areas—heat dissipation efficiency decreases, requires derating. If your application environment has special requirements, please inform us in advance; Yingna can provide customized solutions.
What is the difference between a PD fast charging adapter and a regular adapter?
PD fast charging adapters support the USB PD (Power Delivery) protocol. Core advantages: ① Intelligent 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 single device power supply. If your device supports the PD protocol (such as iPhone, MacBook, iPad, etc.), it is recommended to choose a PD fast charging adapter.
Is this power adapter constant voltage output or adjustable output?
Determined by 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 voltage matches the device before powering on after adjustment;
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).
Does this power adapter support global voltage input?
This unit supports AC 100~240V wide voltage input, covering mainstream 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 cross-border projects.
What is the lifespan of this power adapter? Will long-term plugging cause damage?
The design lifespan of this unit is ≥50,000 hours (MTTF, Mean Time To Failure), approximately 5.7 years of continuous operation under rated load and normal temperature. Long-term plugging will not damage the adapter. This unit complies with Level VI energy efficiency standards, with no-load power consumption<0.1W
How to choose the right DC connector? What are the differences between different DC connector specifications?
Choosing a DC connector requires confirming three parameters: ① Outer Diameter (OD) × Inner Diameter (ID), common specifications 5.5×2.5mm, 5.5×2.1mm, 3.5×1.35mm, etc.;
② Polarity—most devices are center positive (inner positive, outer negative), a few special devices are center negative (inner negative, outer positive), please check the original adapter label of the device to confirm;
③ Rated current—the DC connector's rated current must be ≥ the adapter's output current. This unit comes standard with a 5.5×2.5mm center positive DC connector, can be replaced with other specifications as needed, simple replacement without tools.
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 the adapter to overload and overheat, shortening lifespan; choosing too large increases procurement cost and size.
What is the polarity of this power adapter's plug? Center positive or center negative?
The DC head polarity of this unit is set to center positive (inner positive, outer negative) 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 (inner negative, outer positive). Before use, please check the original adapter label or the polarity mark on the device (usually indicated by the "-○ +" symbol, with the dot representing the center polarity). If your device requires center negative polarity, Winna can provide a reverse polarity DC head, or you can replace the wiring yourself (this does not affect the warranty). Note: Incorrect polarity may damage the device. Please confirm the polarity is correct before first use.
Does this power adapter have protection features? What happens during overcurrent or overvoltage?
This unit features multiple built-in safety protections: ① Overvoltage Protection (OVP) — automatically shuts down when the output voltage exceeds the set value (typically 110~120%) to prevent damage to downstream devices;
② Overcurrent Protection (OCP) — automatically limits current or shuts down when the output current exceeds the rated value;
③ Short Circuit Protection (SCP) — immediately shuts down when the output is short-circuited, and automatically recovers after the short circuit is removed;
④ Overtemperature Protection (OTP) — reduces power or shuts down when the internal temperature exceeds 85°C, and automatically recovers after cooling. After the fault is cleared, the adapter automatically restores power without manual restart.
What is the output ripple of this power adapter? Will it affect precision equipment?
The output ripple & noise of this unit is ≤1% of the rated voltage (typical value). For example, a 12V model has a ripple ≤120mVp-p. For applications sensitive to ripple, such as audio equipment, precision measuring instruments, and medical devices, it is recommended to choose a model with lower ripple (≤50mVp-p) or add an LC filter circuit. Excessive ripple may cause issues such as audio noise, measurement errors, or abnormal device restarts. Please contact Winna technical support with your application details for the most suitable model recommendation.
