Explore our engineered line-up of industrial-grade switching power solutions, active rectifiers, and high-frequency backup modules optimized for low loss and maximum MTBF.
Guangzhou EVS Powers Co., Ltd. is strategically located in the international trade hub of Guangzhou. As a professional, technology-driven manufacturer of high-end power equipment, we specialize in the design, engineering, and mass production of switching power supplies, integrated DC power systems, modular power supply units, isolated and non-isolated DC-DC converters, pure sine wave power inverters, and custom OEM/ODM electronics customized to strict client blueprints.
At EVS, client satisfaction is our core focus. We recognize that high product quality serves as the absolute foundation of corporate growth, while intelligent cost control and high manufacturing efficiency provide our partners with a distinct market edge. Through rigid adhering to international quality metrics, excellent credit, and professional customer support, we have forged long-term technical partnerships across Europe, North and South America, Australia, the Middle East, and Southeast Asia.
With a philosophy grounded in integrity, we actively share our engineering experience, technological innovations, and manufacturing knowledge with global trade partners to achieve mutual growth. Whether you are seeking standardized industrial modules or highly customized power systems, EVS is committed to providing premium quality, competitive costs, and responsive service.
In modern industrial automation, telecommunications, and smart grids, continuous electrical energy distribution is vital. Unstable grids, voltage drops, and sudden blackouts can lead to costly downtime, data loss, or physical damage to heavy machinery. Today's global market demand is rapidly shifting from basic standby power topologies to high-density, intelligent, and green power systems.
Enterprise procurement teams face distinct challenges when designing custom power systems. Key variables include maximizing power density (W/in³) in confined spatial footprints, achieving higher energy conversion efficiency (such as 80 PLUS Titanium or comparable levels), and ensuring continuous operation in harsh thermal environments.
Furthermore, wide bandgap (WBG) semiconductors, particularly Gallium Nitride (GaN) and Silicon Carbide (SiC), are replacing traditional silicon-based components. These advancements allow for higher switching frequencies, smaller passive components, and minimal thermal loss, allowing manufacturers like EVS to supply compact rectifiers and converters that reduce carbon footprint and operational costs.
Adoption of GaN and SiC switches for compact systems and minimized heat emission.
Engineered layouts designed to maximize wattage per rack-unit (U) with long MTBF components.
Integration of CAN bus, Modbus, or PMBus telemetry for predictive remote maintenance.
1. Telecommunications Infrastructure: Modern 5G cell sites and central offices require stable -48V DC power supplies. By coupling our high-efficiency rack-mounted rectifiers with modular hot-swappable setups, telecom operators can swap power units during operation, eliminating system offline scenarios. These configurations are protected within IP55 outdoor enclosures, shielding batteries and active converters from dust, humidity, and extreme temperature fluctuations.
2. Smart Logistical Vehicles (AGV/RGV): Automated Guided Vehicles require rapid, high-current charging cycles. The transition toward high-efficiency DC-DC step-down converters allows fast energy transfer from central battery reserves directly to high-capacity capacitors or internal lithium packs, maximizing uptime on the factory floor.
3. Heavy Industrial Motor Applications: Fluctuating mechanical loads cause line voltage drops. Implementing isolated high-power DC-DC converters (such as 48V to 24V or high-voltage step-up configurations) guarantees clean control voltages for PLCs, drivers, and relays, preventing system resets and machinery faults.
A step-by-step look into our manufacturing processes. We utilize automated production machinery to ensure high repeatability and consistent quality across every batch.
To align with global E-E-A-T principles and industrial safety standards, each custom power backup module is subjected to strict verification tests.
Our centralized testing lab is equipped to simulate extreme environmental stresses. Operating under strict ISO 9001 protocols, our engineers evaluate thermal thresholds, insulation levels, electrical resonance, and long-term fatigue under load. This process ensures that every power supply shipped achieves high stability and complies with global reliability standards.
Deploying backup power systems globally requires adhering to regional regulatory frameworks. Our custom OEM products are engineered to align with global safety standards, including UL 62368-1 (for communication technology equipment), CE-LVD, FCC Part 15 Class B, and RoHS compliance.
Additionally, we integrate regional design features such as variable input voltage ranges (universal 110V/220V AC systems) and active power factor correction (PFC) circuitry. This adaptation ensures stable performance on voltage-sensitive grids, regardless of geographic location.
Our R&D roadmap focuses on three main technological priorities:
Key engineering and commercial answers to streamline your custom power backup procurement process.
For customized electrical designs or modified form factors, the engineering process typically spans 4 to 6 weeks. This timeline includes CAD modeling, component sourcing, PCB prototyping, and preliminary lab evaluations. Mass production generally requires 3 to 4 weeks following prototype approval, depending on the scope of the order.
We employ a combination of thermal strategies based on product requirements. These include smart temperature-controlled cooling fans, heavy-duty aluminum heat sinks, and high-performance silicone potting compounds. These materials help transfer heat away from key power components, protecting them from dust, moisture, and vibration.
Yes, our rack-mount modular inverters are designed to support parallel configuration for active redundancy (e.g., N+1 setups). Built-in load-sharing logic ensures balanced distribution across modules, allowing system maintenance or module replacement without interrupting power output.
Every production unit undergoes safety insulation tests using our AC Withstand Voltage Testers. High voltage is applied between isolated electrical circuits and the chassis frame for a set duration to verify leakage current limits, ensuring safety under transient voltage surges.
Review our high-power converters, embedded rectifiers, and industrial charging modules built for specialized applications.
EVS Powers
