Explore our precision-engineered AC/DC power adapters, switching power supplies, and high-capacity charger modules built for continuous commercial and industrial operation.
The global transition toward electrification, decentralized renewable energy storage, and industrial automation demands power conversion systems with unprecedented thermal efficiency, electromagnetic compliance, and grid resiliency. As a premier original equipment manufacturer (OEM) and original design manufacturer (ODM), Shenzhen FuYun (RUIYU) Technology Co., Ltd. has pioneered high-frequency switching technology and power magnetics since 2010.
Spanning low-power auxiliary power adapters (3W to 300W) up to multi-kilowatt industrial fast-charging platforms and bidirectional solar inverters (1kW to 50kW), our engineering architecture addresses the full operational spectrum. By utilizing third-generation wide-bandgap semiconductors—specifically Silicon Carbide (SiC) MOSFETs and Gallium Nitride (GaN) switches—FuYun delivers market-leading power density exceeding 45W/in³, reducing volumetric footprints by over 35% compared to legacy silicon designs.
Whether powering telecom base stations, commercial Electric Vehicle (EV) fleet fast chargers, off-grid microgrids, or sensitive medical equipment, our products undergo rigorous stress testing, guaranteeing MTBF (Mean Time Between Failures) metrics exceeding 100,000 operational hours under full thermal load.
Custom-engineered power conversion architectures engineered for mission-critical infrastructure, commercial energy storage, and industrial mobile equipment.
Designed for commercial parking structures, logistics depots, and municipal EV charging hubs. Our high-efficiency 7kW, 15kW, 30kW, and 50kW charger modules utilize modular matrix stacking with CAN bus 2.0B / RS485 telemetry. Delivering constant current/voltage output from 200V DC to 1000V DC, they accommodate high-voltage battery architectures while maintaining peak conversion efficiency above 96.8%.
Engineered for off-grid, hybrid, and grid-tied residential or light commercial installations. FuYun's pure sine wave inverters integrate high-precision MPPT (Maximum Power Point Tracking) algorithms with efficiency rating >99.5%. Featuring seamless transfer switching (<10ms) between grid power and battery banks, they protect critical loads while optimizing self-consumption rates in solar microgrids.
Powering Autonomous Mobile Robots (AMRs), Automated Guided Vehicles (AGVs), and smart warehouse systems. Our heavy-duty DC-DC converters and fast contact chargers feature ultra-low ripple voltage (<1%), IP65-rated dust and water resistance, and rugged vibration damping, enabling reliable 24/7 continuous operation in harsh industrial environments.
A whitepaper breakdown of FuYun's ongoing R&D initiatives driving conversion efficiency, high power density, and AI-assisted thermal management.
The transition from traditional Silicon IGBTs to Silicon Carbide (SiC) MOSFETs and Gallium Nitride (GaN) FETs represents a quantum leap in power switching speed and thermal threshold tolerance. By elevating switching frequencies from 65kHz up to 500kHz, our engineering teams drastically minimize the volumetric footprint of passive magnetic components (transformers and inductors).
This technology reduces internal heat generation by 42%, enabling silent, fanless designs for indoor residential inverters and high-density 1-50kW power modules with power conversion efficiencies reaching up to 98.2% under optimal load curves.
Future grid stability depends heavily on Vehicle-to-Grid (V2G) and Vehicle-to-Home (V2H) bi-directional energy transfer. FuYun’s 10kW to 50kW bi-directional DC-DC and DC-AC converters utilize active dual active bridge (DAB) topologies and resonant LLC circuits.
Integrated DSP (Digital Signal Processing) control algorithms allow real-time phase synchronization, instantaneous power factor adjustment (>0.99), and low Total Harmonic Distortion (THD <3%), allowing electric fleets to function as mobile energy storage assets during peak grid loads.
| Module Series | Power Rating (kW) | Input Voltage Spectrum | Peak Efficiency | Cooling Architecture | Primary Target Applications |
|---|---|---|---|---|---|
| FY-CDC Series | 1kW – 7.5kW | 90V – 264V AC Universal | 95.5% | Convection / Intelligent PWM Fan | Industrial AGVs, Telecom Power Systems |
| FY-EVC Series | 15kW – 30kW | 380V – 480V AC 3-Phase | 97.2% | Liquid Cooling Option / Forced Air | EV Commercial Fleet DC Fast Charging |
| FY-INV Series | 3kW – 50kW | 200V – 900V DC Bus | 98.2% (SiC) | Dynamic Thermal Heat Pipe Array | Off-Grid / Hybrid Solar Energy Systems |
| FY-MED Series | 5W – 300W | 90V – 264V AC Universal | 94.0% | Ultra-Quiet Fanless Aluminum Shell | Medical Electronics (2xMOPP EN60601) |
With 50,000 m² across our Shenzhen R&D headquarters and Shaanxi manufacturing hubs, FuYun controls every link of the supply chain—from high-frequency transformer winding to SMT board assembly.
By manufacturing custom high-frequency transformers and inductors in-house, we eliminate component sourcing bottlenecks, reduce magnetic core losses, and achieve precise isolation voltage ratings up to 4000V AC.
State-of-the-art SMT lines featuring 3D Solder Paste Inspection (SPI) and Automated Optical Inspection (AOI) guarantee zero-defect PCBA assembly, precise component placement, and consistent thermal dissipation solder pads.
Every manufactured charger, power supply, and inverter unit undergoes 100% dielectric Hi-Pot safety tests, dynamic load regulation checks, ultrasonic enclosure seal verification, and 24-hour full-load burn-in ageing before shipment.
Established as a pure power conversion R&D engineering house, laying the groundwork for circuit optimization.
Qualified as a direct supplier for European set-top box operators under strict EN safety and EMC compliance standards.
Secured long-term manufacturing partnership with Germany's leading consumer electronics brand Hama.
Selected into the Xiaomi ecosystem supply network via ZHIMI, validating precision automated manufacturing.
Passed comprehensive BSCI social compliance auditing, gaining entry into global retail distribution chains.
Established Shaanxi production bases; expanded into high-power 1-50kW industrial chargers and robotic power systems.
From initial load analysis to rapid prototyping, full compliance certification, and mass production delivery—how FuYun supports global procurement teams.
Global enterprise buyers require tailored electrical outputs, custom enclosure form factors, dynamic cable lengths, and specialized connectors (DC barrel, terminal blocks, Anderson connectors, or Type-2 EV plugs). Our engineering team reviews load profiles, inrush current characteristics, and environmental ratings to deliver a complete DFM report within 3 working days.
Exporting power equipment internationally requires strict adherence to regional safety standards and electromagnetic compatibility (EMC) mandates. FuYun maintains an active library of over 120 verified safety certificates, guaranteeing seamless customs clearance and market readiness.
Dedicated multi-lingual engineering teams offering 24/7 technical response, regional grid compatibility, and traceable after-sales service.
Each enterprise account is assigned a dedicated project engineer. We offer 24/7 technical assistance via direct email, WhatsApp, WeChat, and Skype to address schematic modifications, pinout adjustments, or regulatory inquiries immediately.
Our chargers and power adapters support single-phase universal wide-range inputs (90V – 264V AC, 47Hz – 63Hz) as well as 3-phase commercial voltages (380V – 480V AC), accommodating severe grid voltage fluctuations and brownout conditions worldwide.
Every product carries a serialized barcoding system linked to component lot batches, SMT operator logs, and automated test output records. All equipment is backed by comprehensive 1-to-3-year warranties and component replacement support.
Browse our certified range of medical power supplies, switching power adapters, vehicle chargers, and universal wall-mount units.
Direct answers regarding minimum order quantities, custom sampling, protection topologies, and safety compliance certification paths.
For standard housing platforms and existing circuit topologies (e.g., 5W to 300W wall-mount/desktop AC DC adapters or standard 1-50kW power modules), our minimum order quantity starts at 500 pieces per model. This allows us to optimize SMT tool setup and component procurement without levying setup penalties. For completely bespoke enclosures requiring customized plastic injection or aluminum extrusion molds, we recommend a starting quantity of 3,000 pieces to amortize tooling investments efficiently.
Electrical samples utilizing an existing circuit design platform are typically dispatched within 7 to 10 working days. If your specification requires a brand-new PCB design layout, custom magnetic transformer winding, or specialized enclosure modifications, engineering samples require 15 to 20 working days. Upon sample approval and certification sign-off, standard mass production manufacturing lead times range between 20 and 30 calendar days, depending on regional plug configurations and order volume.
All FuYun switching power supplies, battery chargers, and inverters incorporate dynamic multi-stage safety circuitry as standard engineering specifications:
• Over-Voltage Protection (OVP): Auto-recovery or latching shutdown to prevent downstream component damage.
• Over-Current Protection (OCP): Constant current limiting or hiccup mode protection against current spikes.
• Short-Circuit Protection (SCP): Instantaneous output isolation protecting against short circuits.
• Over-Temperature Protection (OTP): Integrated NTC thermal sensors that throttle power output or shut down units safely if ambient operational thresholds are exceeded.
• EMC Filtering: Dual Stage Y-Capacitors and Common-Mode Chokes ensuring compliance with EN 55032 Class B conducted and radiated emission limits.
FuYun enforces strict ISO 9001 standard operating procedures across all production lines. Every single unit undergoes a structured 6-stage quality verification pipeline: (1) Bare-board bare PCB open/short testing, (2) SMT 3D SPI and AOI visual inspections, (3) First-article electrical functional testing, (4) 100% dielectric Hi-Pot safety isolation testing, (5) Accelerated 24-hour full-load thermal burn-in ageing, and (6) Final automated functional parameter testing. Serialized barcodes are archived in our database for years, providing 100% component-level traceability.
Yes. Our industrial-grade 1-50kW chargers, inverters, and heavy-duty power supplies feature wide operating temperature ratings ranging from -20°C to +60°C (with linear thermal derating above 40°C). We offer customized conformal coating on PCBA assemblies to prevent moisture ingress, corrosion, and dust accumulation, as well as IP65-rated outdoor enclosures for EV fast charging modules and solar microgrid installations.
