OEM/ODM Industrial Power Supply Factories & Exporter

Shenzhen Wemaxpower Technology Co., Ltd. — Your Trusted Global Partner for High-Performance Programmable DC Power Supplies, Rugged DC-DC Converters, and Heavy-Duty Power Modules.

7+
Years of R&D Mastery
96%
Max Conversion Efficiency
100%
Full Load Aging Tested
IP68
Waterproof Engineering

Featured Industrial Power Solutions — Group A

Discover our top-tier engineering solutions, ranging from smart DC-to-DC chargers with advanced ignition (ACC) detection to ultra-efficient buck-boost converters designed for heavy industrial, marine, and mobile battery systems.

WEMAXPOWER RV LiFePO4 Auxiliary Battery Charger

WEMAXPOWER Factory for Rvs Life-po4 Auxiliary Battery with ACC Function 12v to 14.6V 30A Dc to Dc Battery Charger

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12v to 29.2v DC to DC Charger 50A

High Efficient for Campers / Rvs / Boat / Truck 12v to 29.2v Dc to Dc Car Life-po4 Lithium Battery Charger 50amp

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12VDC to 24VDC 40A DC-DC Boost Converter

Good Heat Dissipation 12VDC to 24VDC 40A Single Phase DC-DC Boost Converter for Automotive Home & Motor Use 96% Efficiency

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Waterproof 12V to 14.6V 5A DC-DC Charger

Constant Current Full Automatic Waterproof Vehicle 12V to 14.6V 5A DC to DC Buck and Boost Battery Charger

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Waterproof IP68 Battery Charger 12v to 14.6v 10A

Waterproof IP68 Lead Acid /Li-ION /LiFePO4 Battery on RVs, Exposed Cars, Campers, Ships 12v to 14.6v 10A Dc/dc Charger

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24v to 24v 30a DC Buck Boost Converter

High Power Car Bus 24v to 24v 30a Dc Step up Down Module 24vdc to 24vdc Dc Voltage Stabilizer Buck boost Converter

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48v to 24v DC Converter 15A 360W

High Efficiency Car Voltage Regulator 15a 48vdc Step Down 24vdc Buck Transformer 15A 360W Dc 48v to Dc 24v Converter

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60v Electric Scooter Battery Charger

Electric Scooter Bike Sightseeing 15ah 20ah 71.4v 63v 67.2v 73v 73.5v Lead Acid LifePO4 Lithium 3.5a Battery Charger 60v

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Global Industrial Power Supply Dynamics

The global landscape of industrial electronics is undergoing a major paradigm shift. The rapid transition toward clean energy storage, smart mobile environments (RVs, electric commercial vehicles, and autonomous cargo trucks), and dense industrial automation systems has pushed the demand for highly specialized power conversion topologies. Today’s industrial projects no longer rely on simple off-the-shelf power converters. Systems demand uncompromising efficiency (above 95%), galvanic isolation, thermal resilience under harsh operation, and smart communication parameters.

Global sourcing teams face significant headwinds in identifying custom manufacturer partners. Common challenges include insufficient thermal runaways in poor ambient settings, electromagnetic compliance violations (EMC/EMI), and failure to cope with transient voltage spikes. Global buyers require verified partners capable of tailoring electrical profiles—such as adjustable DC rails, dynamic current limiting, and customized battery charging curves—to secure system longevity and lower total cost of ownership (TCO).

1 Global Electrification Trends

Rapid adoption of LiFePO4 battery chemistries in recreational, commercial, and utility sectors requires highly precise charge-termination profiles.

2 Harsh Environment Engineering

Outdoor installations, marine hulls, and industrial plants demand IP67/IP68 ingress ratings to withstand constant humidity, dust, and corrosive vapors.

3 Advanced DC-DC Interoperability

Automotive auxiliary systems require ignition trigger mechanisms (ACC inputs) to prevent draining starter vehicle batteries.

The Shenzhen OEM/ODM Manufacturing Advantage

As a premier manufacturing hub for industrial power conversion, Shenzhen houses an incomparable electronics ecosystem. At Shenzhen Wemaxpower Technology Co., Ltd., we utilize this geographic and technological integration to offer unmatched vertical prototyping and production efficiency. Our strategic positioning allows us to source grade-A active and passive components within days, reducing standard OEM development cycles by over 40% compared to international competitors.

Accelerated Design & Prototyping

From initial conceptual schematic capture to mechanical enclosure design and PCB routing, our engineering team works with extreme precision. We specialize in high-density layout topologies, designing custom heat sinks, magnetic components, and intelligent microprocessor boards in-house. Whether it is adjusting buck-boost algorithms or programming unique AC-DC switching controls, our turn-around time for functional prototypes is unmatched.

Rigorous Supply Chain Traceability

Our deep relationships with authorized semiconductor distributors ensure that key elements, such as MOSFETs, IC drivers, and capacitors, are genuine and rated for continuous industrial stress. This prevents premature failure and ensures that we meet international compliance standards (CE, FCC, RoHS) for exports into highly regulated markets, including the European Union and North America.

Engineering Deep-Dive: Localized Application Scenarios

Industrial power converters operate in highly diverse and challenging micro-environments. A cookie-cutter power brick will fail under temperature cycling, high vibration, or fluctuating input supplies. Here is how our engineered solutions excel across dedicated industrial fields:

1. RV & Off-Grid Marine Vehicles

Modern RVs use advanced LiFePO4 auxiliary banks. Our DC-to-DC battery chargers utilize ACC control leads, activating charging only when the engine runs, protecting the alternator from overheating, and utilizing custom buck-boost operations when alternator outputs fluctuate.

2. CCTV Security & Outdoor Nodes

Exposed security installations run on 24V AC loops but require stabilized 12V DC power. Our IP68 waterproof AC-to-DC converters solve standard outdoor moisture penetration, ensuring constant uptime for critical security monitoring systems.

3. Industrial Automation & Lab Testing

Automation racks demand adjustable, clean voltage references. Our high-voltage programmable switching DC power supplies (reaching up to 600V) deliver clean ripple profiles and precise voltage/current limit modifications for automated testing cells.

Technical Trends Shaping Modern Power Electronics

The power electronics industry is continually moving toward higher power densities and intelligent thermal topologies. Keeping pace with modern engineering trends is critical to maintaining a strong competitive edge:

Active Power Factor Correction (PFC)

With grid efficiency regulations tightening worldwide, Active PFC is essential. In high-power applications (e.g., our 2000W AC to DC 110VDC Switching Industrial Power Supply), Active PFC reduces harmonic currents, shifts power factor closer to 0.99, and enables universal input voltage compatibility. This reduces stress on electrical wiring and prevents local utility penalties.

Synchronous Rectification & 96% Efficiency

By replacing conventional diodes with low RDS(on) MOSFETs, synchronous rectification drastically reduces heat dissipation. This optimization enables high-current devices, like our 12V to 24V 40A DC-DC Boost Converters, to achieve 96% efficiency, eliminating the need for bulky active fan cooling systems and facilitating a compact footprint.

Advanced Protective Algorithms

Modern industrial applications demand multiple layers of device self-protection. Standard safety topologies integrated into our power solutions include:

  • Over-Voltage Protection (OVP): Instantly shuts down the output loop if critical limits are exceeded.
  • Over-Current Protection (OCP): Uses constant-current limiting profiles to prevent system overload destruction.
  • Over-Temperature Protection (OTP): Thermal sensors scale down power output or shut down operations safely under extreme ambient conditions.
  • Short-Circuit Protection (SCP): Auto-recovers once electrical shorts are cleared.

Wemaxpower Quality Standards: Our 4-Step QC Protocol

As a global exporter with 7 years of specialized manufacturing experience, Shenzhen Wemaxpower Technology Co., Ltd. builds products meant to last. To guarantee that every programmable power supply, DC-DC converter, and charger maintains peak field reliability, our facility implements an uncompromising 4-Step Quality Control (QC) Process:

1 Raw Material Testing

Incoming component inspection (IQC). We test key transistors, copper windings, capacitors, and custom alloy cases to verify compliance with thermal and electrical ratings before assembly.

2 Semi-Finished Diagnostics

In-circuit testing (ICT) verifies trace continuity, component placement, and initial voltage levels. This stage catches any assembly defects before high-temperature potting or final chassis integration.

3 Finished Product Validation

Completed units undergo rigorous parametric validation testing, measuring conversion efficiency, ripple noise parameters, and safety isolation limits against design tolerances.

4 Full Load Thermal Aging

Every power converter is placed into our customized environmental chambers, running under full rated load conditions for extended cycles to eliminate early component infant mortality.

Direct Factory Insights & Manufacturing Floor

Wemaxpower Factory Floor Automated Assembly
Wemaxpower Power Electronics Testing Station
Wemaxpower Custom Testing Bench
Wemaxpower High Voltage Testing Equipment
Wemaxpower Quality Control Inspection Station
Wemaxpower Precision Inspection Loop

B2B Procurement & Engineering FAQ

To help streamline your sourcing decision, our engineering and procurement departments have compiled answers to common technical queries:

Q How does the ignition ACC feature function in DC-to-DC battery chargers?
The ACC wire connects to the vehicle's accessory ignition line. The DC-to-DC charger will only initiate power transfer once it detects a high-signal trigger (meaning the engine is active). This prevents the charger from draining the starter lead-acid battery when the vehicle is parked.
Q What are the advantages of IP68 waterproof ratings for industrial environments?
An IP68 ingress protection rating signifies that the power module is completely sealed against dust entry and can withstand continuous immersion in water under pressure. Wemaxpower achieves this through high-grade thermally conductive epoxy potting, which also enhances vibration resistance—a critical factor for marine, RV, and heavy industrial chassis installations.
Q Can Wemaxpower program custom charging profiles for unique battery chemistries?
Yes, our engineering department provides deep OEM/ODM firmware customization. We can calibrate specific charging curves for Lead-Acid, Lithium-Ion, LiFePO4, or LTO battery configurations, including constant current (CC), constant voltage (CV), and float charging settings.
Q Why is Active PFC (Power Factor Correction) critical for high-power switching power supplies?
Active PFC matches the wave shape of the drawn current to the utility line voltage waveform. This increases power transmission efficiency, reduces input RMS current levels, minimizes electromagnetic emissions, and ensures compliance with global standards, such as EN61000-3-2.
Q What is the standard turnaround time for custom OEM/ODM power converter projects?
For minor adjustments (e.g., custom connector leads, specific voltage outputs, or minor enclosure adjustments), design and validation can be completed within 2 to 3 weeks. Full custom PCB layout design projects typically require 6 to 8 weeks, including initial prototyping and rigorous compliance testing.

Featured Industrial Power Solutions — Group B

Explore our high-power AC-DC converters, pure sine wave power inverters, and high-voltage adjustable bench-top switching power supplies ideal for integration into heavy equipment, telecom networks, and automation setups.

Wemaxpower Aluminum Alloy LIFE-PO4 Battery Charger

Wemaxpower Aluminum Alloy case Fully Automatic Intelligent Electric Car / E-bike LIFE-PO4 Battery Charger 12V 14.6V 15A

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CE Approved AC to DC 24V Converter 1A

CE Approved Ac to Dc 1A 24vac to 24vdc Converter Voltage Regulator Ac24v to Dc 24v 1amp for Security Monitoring

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48v to 13.8v DC Voltage Regulator Converter

Radio Video Car Dc Voltage Regulator Step Down Buck Module 20A Dc 48v to 13.8v Converter

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12/24Vdc to 12Vdc 15A IP67 Waterproof Converter

12/24Vdc to 12Vdc 15A Single Phase IP67 Waterproof Buck Boost Isolated Converter for Home & Motor Applications

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3000w Pure Sine Wave Power Inverter

High Quality 60hz 50hz 24vdc to 220vac 230vac 240vac 3kw Pure Sine Wave Power Inverter 3000w

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2000W AC to DC Industrial Power Supply

2000W AC to DC 110vdc Switching Industrial 2KW Active PFC Power Supply 110v

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Adjustable 380V/220V/110V to 600V DC Power Supply

High Voltage 380V/220V/110V to 600V DC 5A Adjustable 3kW Single Output Industry Use Switching Mode AC-DC Power Supply

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WEMAXPOWER IP68 24v AC to 12v DC Converter

WEMAXPOWER IP68 5a Car Monitoring Ac-dc Voltage Transformer 24v Ac to 12v Dc Converter Module for Security System

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