UPS Power Supply Manufacturers & Supplier

Global High-Efficiency Industrial Switching Power Supplies, Modular Rectifiers, and OEM/ODM Integrated DC Power Systems

High-Performance Industrial UPS & Switching Supplies

Designed for infrastructure, telecommunication grids, and demanding industrial automation environments.

Mini DC UPS 1500W/500W Output Power
Mini DC UPS 1500W/500W Output Power 30A/10A Current 12V Single DC-DC Switching Supply Li-Ion Battery for Industrial Use
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EVS EVS1230U-H1a1 AC-DC Mini UPS
EVS EVS1230U-H1A1 AC-DC Mini UPS 100000mAh 13.8V 30A 220VAC Input Single 19inch 1U Rack Mount Industrial Power Supply for
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Buck/BOOST DC to DC Converter
Buck/BOOST DC to DC Converter 110V 220V 380V to 24V 48V 100AMP Telecom Rectifier for Industrial New Energy Inverters Converters
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EVS48200-H5B4 50A 48V DC
EVS48200-H5B4 50A 48V DC Embedded Power Supply System 220V/380V AC Input 200A Output 12KW Hot-Swap Rectifier SNMP Telecom Power
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High Efficiency 230V Input AC-DC Industrial Battery Charger
High Efficiency 230V Input AC-DC Industrial Battery Charger 60Hz Single Output 10A 220V Output Power 1500W
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220V AC to 120V DC Converter
220V AC to 120V DC Converter Industrial Switching Power Supply 500W 20A High Efficiency
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Outdoor Project Box Waterproof
Outdoor Project Box Waterproof Aluminum Housing Amplifier Instrument with IP67 Protection
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EVSPOWER EVS48200-H5B4 48V
EVSPOWER EVS48200-H5B4 48V Embedded Rack Mount DC Power Supply 200A Output 60Hz Telecom Power Rectifier System 220V/380V
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Modern Enterprise Requirements for UPS & Rectifier Systems

Technical Insights into Designing Mission-Critical Back-Up Power Infrastructures.

95.4%
Peak Rectifier Efficiency
100k+ mAh
Integrated Battery Capacity
1U / 5U
Compact Rack Density
IP67
Harsh Weather Ingress Rating

Global tech infrastructures, cellular networks, and industrial assembly lines require continuous, clean electrical grids. A fraction of a second of power disruption can compromise billions of dollars in data, machine tools, and telecommunications operations. Consequently, industrial decision-makers are shifting away from general-purpose backup batteries to highly specialized, modular, and intelligent UPS Power Supply systems.

Information Gain Insight: Modern telecommunication rectifiers are moving from passive failover architectures to active power factor corrected (PFC), software-defined systems. By implementing SNMP and Modbus protocols, engineers can proactively analyze thermal anomalies and individual battery cell decay curves from remote control centers, saving up to 40% in field operational expenses (OPEX).

Active Ingress Protection

For outdoor wireless networks, structural enclosures must withstand high UV exposure and chemical particulates. Our IP67 cast-aluminum options prevent atmospheric moisture ingress and internal condensation cycles.

Hot-Swappability & Modular Scaling

B2B deployments require system maintenance without shutting down downstream equipment. Our hot-swappable rectifier systems (e.g., EVS48200 series) allow direct live-swaps of 50A power modules safely.

Intelligent Charging Profiles

Industrial UPS units integrate Li-Ion and LiFePO4 batteries using temperature-compensated charging curves, preventing thermal runaway and extending cell lifespans by up to 150%.

EVS Powers: Manufacturing Excellence & Capabilities

A deep look inside our Guangzhou engineering headquarters and production workflows.

Guangzhou EVS Powers Co., Ltd., located in the international trade city Guangzhou, is a professional manufacturer specializing in switching power supplies, DC power systems, power supply units, DC-DC converters, power inverters, and custom OEM/ODM electronic power systems. We focus on customer satisfaction, build our development on product quality, and establish competitive advantages through efficient cost control.

With an excellent credit standing and high-quality services, we have established long-term partnerships globally across Europe, North and South America, Australia, the Middle East, and Southeast Asia. We continuously share our engineering knowledge, manufacturing technologies, and industrial experience with our partners to support mutual development in the electronic power sector.

Guangzhou EVS Powers Facility Headquarters

Our End-to-End Production Process

Wire Cutting Wire Cutting
Plug-In Plug-In
Soldering Tin Soldering Tin
Test Test
Glue Filling Glue Filling
Burn-In Test Burn-In Test
Packaging Packaging
Winding Machine Winding Machine
Wire Cutting Machine Wire Cutting Machine
Automatic Soldering Machine Automatic Soldering Machine
Laser Engraving Machine Laser Engraving Machine
Canning machine Canning machine
Assembly Line Assembly Line

Advanced Laboratory Quality Assurance

Every power module undergo strict stress testing to ensure stability under harsh operating conditions.

EVS Powers Testing Laboratory Overview
DC Power Supply Tester DC Power Supply Tester
AC Withstand Voltage Tester AC Withstand Voltage Tester
Constant temperature and humidity chamber Constant temperature and humidity chamber
Optical microscope Optical microscope
Aging test Aging test
Design & R&D R&D Engineering Design

Supply Chain Strengths & Industry Trends

Why Guangzhou-based manufacturing leads the global power conversion market.

China's Power Supply Supply Chain Advantage

Guangzhou and the surrounding Pearl River Delta area serve as a major global electronics manufacturing hub. This dense industrial ecosystem offers key advantages for B2B buyers:

  • Component Sourcing: Direct access to semiconductor distributors, high-frequency magnetic cores, and high-temperature capacitors reduces bill-of-materials (BOM) costs and lead times.
  • Integrated Design & Prototyping: The close proximity of CAD designers, PCB assembly houses, and mechanical chassis manufacturers allows us to move from custom designs to fully tested physical prototypes within days.
  • Logistics Efficiency: Close proximity to major international ports, including Guangzhou Nansha and Shenzhen, enables efficient shipping via air, sea, or multimodal rail networks to global destinations.

Industry Trends: Smart Control, Silicon Carbide, and Lithium Integration

The backup power industry is evolving towards higher efficiency and intelligence. The adoption of wide-bandgap semiconductors, such as Silicon Carbide (SiC) and Gallium Nitride (GaN), allows for higher switching frequencies, reducing the physical footprints of transformers and inductors. This shift makes high-density 1U rack-mount rectifiers increasingly practical for datacenters.

Additionally, Lithium Iron Phosphate (LiFePO4) chemistry has largely replaced traditional valve-regulated lead-acid (VRLA) batteries. When paired with smart Battery Management Systems (BMS), these newer setups provide longer cycle lives and require less cooling, lowering overall operating costs in warm regions.

Localized Application Scenarios

Edge Computing & 5G Base Stations

Requires compact 48V DC embedded power configurations with IP55 or IP67 ratings, operating reliably across ambient temperatures from -40°C to +75°C.

Industrial PLC Automation Racks

Requires clean 12V or 24V DC switching power with low electrical ripple and high insulation resistance to prevent EMI from disrupting controller operations.

Renewable Energy Storage Microgrids

Requires high-efficiency buck-boost converters to stabilize voltages between varying solar arrays, backup batteries, and local distribution lines.

Frequently Asked Questions

Technical answers regarding product integration, customization capabilities, and logistics.

What are the key technical differences between traditional VRLA UPS systems and Lithium-ion Mini DC UPS setups?
Lithium-ion based systems offer higher energy density, longer cycle lives (typically 2,000 to 5,000 cycles compared to 300 to 500 for lead-acid), and faster recharge capabilities. They are also lighter and require less ventilation, which is ideal for remote telecom cabinets and edge racks.
Can EVS Powers customize input voltage ranges and form factors?
Yes, we provide full OEM and ODM customization services. We can configure rectifiers to support standard regional grid fluctuations (such as 90V-300V AC inputs) and deliver custom single or multi-channel DC outputs (including 12V, 24V, 48V, or 110V DC configurations).
How do SNMP and Modbus protocols help monitor power system status?
These communication protocols allow network integration, enabling administrators to remotely track real-time electrical metrics (voltage, current, temperature) and receive automatic notifications for faults or grid drops, supporting preventative maintenance.
What standard quality and safety certifications do your power systems carry?
Our products are designed to meet major international standards, including CE, FCC, RoHS, and UL safety requirements. Our manufacturing facility in Guangzhou is ISO 9001:2015 certified, and each unit undergoes a full burn-in test before shipment.
What is the standard production lead time for bulk B2B purchases?
Lead times depend on order size and customization requirements. Standard products usually ship within 2 to 3 weeks, while custom OEM projects typically require 4 to 6 weeks, which includes design validation and prototyping phases.

Advanced Telecom Rectifiers & Specialized Outdoor Power

Rugged power conversion modules engineered for extreme environmental reliability.

Outdoor 48V DC-DC Single Output
Outdoor 48V DC-DC Single Output Power Supply 220V Input for Industrial Use 20A Output Current 60Hz
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Hot Swappable Industry Telecom Rectifier
Hot Swappable Industry Telecom Rectifier DC-DC 24V 60A 220VAC 500W+ Switching Power Supply
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EVS RM1103000S-M 3000W
EVS RM1103000S-M 3000W 93.2% Efficiency 220V Input Rectifier Power Station Overvoltage Protection Single Output 110V 50/60Hz
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220V AC 110V DC Converter 10000W
220V AC 110V DC Converter 10000W Power Supply 80A Modular Rectifier Industrial Use Switching 110VDC 60Hz Output 3000W Single
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EVSPOWER EVS4860-H1A1 1U Telecom Power
EVSPOWER EVS4860-H1A1 1U Telecom Power Module 48VDC 30A 1600W AC Input 90-300V SNMP/Modbus Rectifier for Telecom Rooms Switches
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EVSPOWER EVS4860-H1A2 48V
EVSPOWER EVS4860-H1A2 48V 60A 3600W Single Phase Rectifier 1U Rack Mount Output Power System Telecom DC Load Charging Battery
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48V High-Frequency Switching DC Power
48V High-Frequency Switching Single Output DC Power Supply EVS-4890P 30-90A IP55 Protection 95% Efficiency Industrial Use
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High Quality 220V AC 12V DC-DC Single
High Quality 220V AC 12V DC-DC Single Output 60A Regulator Rectifier AC-DC Converter 92% Efficiency for Industrial Applications
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All UPS Power Supply Products