ISO 9001 Factory · CE & RoHS Compliant DC-DC Power · OEM / ODM Welcome

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Engineered power conversion systems, industrial DC-DC converters, and waterproof lithium chargers built for demanding global applications.

Industrial Power Conversion & Charging Modules

Precision engineering solutions certified for CE, RoHS, and ISO 9001 compliance.

500+Standard Models
100%Burn-in Tested
IP68Waterproof Available
Marine AC-DC Switching Power Supply Charger with LED for LiFePO4 Battery
AC-DC Charger

Marine AC-DC 12V/68A 24V/34A 36V/23A 48V/17A Switching Power Supply Charger for Deep Cycle LiFePO4

Input Voltage:90–265V AC
Output Range:12V · 24V · 36V · 48V
Efficiency:>92% Peak
MOQ: 5 units Get Catalog
Step-Up Step-Down 9-40V to 24V Boost-Buck Converter
Buck-Boost Converter

Step-up Step-Down 9–40V to 24V 6A 10A 144W/240W DC-DC Boost-Buck Converter for Vehicles & LEDs

Input Range:9–40V DC
Regulated Out:24V DC (6A / 10A)
Protection:OVP, OCP, SCP
MOQ: 5 units Get Catalog
24V to 48V DC-DC Boost Step-Up Power Module
Boost Converter

24V to 48V 10A 15A High Efficiency Step-up DC-DC Boost Converter for Truck, Bus & Marine

Input Range:18–32V DC
Output Bus:48V DC (10A / 15A)
Housing:Extruded Aluminum
MOQ: 5 units Get Catalog
Car Battery Voltage Stabilizer 24V to 48V 10A Converter
Boost Regulator

Heavy-Duty Vehicle Battery Voltage Stabilizer 24V to 48V 10A Step-up DC-DC Converter

Input Rating:24V Nominal
Output Power:480W Cont.
Operating Temp:-40°C to +85°C
MOQ: 5 units Get Catalog
Industrial 24V to 48V 720W Boost Voltage Regulator
Boost Converter

Industrial 24V to 48V 10A/15A Boost Voltage Regulator 720W Step-up Module (CE / RoHS)

Max Current:15A Peak
Power Output:Up to 720W
Sealing:IP68 Epoxy Potted
MOQ: 5 units Get Catalog
Bidirectional Battery Charger 10-50V to 14.6V 29.2V with RS485
Battery Charger

Bidirectional Battery Charger 10–50V to 14.6V/18.2V/29.2V 900W DC LiFePO4 Charger with RS485

Input Voltage:10–50V DC
Power:900W Fast Charge
Interface:RS485 Communication
MOQ: 2 units Get Catalog
1500W Wide Input LiFePO4 Bidirectional Charger with Bluetooth
High Power Charger

1500W High Power Bidirectional Charger 10–60V Wide Input LiFePO4 Charger with RS485 & Bluetooth

Input Range:10–60V DC
Total Output:1500W Dynamic
Features:Dual RS485 / BLE
MOQ: 1 unit Get Catalog
24V to 12V 85A 100A DC-DC Step Down Buck Regulator
Buck Converter

Commercial Truck & Bus 24V to 12V 85A/100A DC-DC Step-Down Heavy Load Voltage Regulator

Input Range:18–36V DC
Continuous Amps:85A / 100A
Regulation:±1% Load Regulation
MOQ: 5 units Get Catalog
24V to 12V 40A DC-DC Step Down Converter
Buck Converter

Fleet Verified 24V to 12V 40A DC-DC Step-Down Voltage Reducer Regulator for Commercial Fleets

Input Voltage:24V DC Nominal
Output Voltage:12V DC (40A)
Cooling:Natural Convection
MOQ: 5 units Get Catalog
48V to 24V 40A 1000W DC-DC Step Down Buck Converter
Buck Converter

High Conversion Efficiency 48V to 24V 40A 1000W DC-DC Step-Down Industrial Buck Converter

Input Rating:30–60V DC
Output Rating:24V @ 40A (1000W)
Design:Synchronous Rectification
MOQ: 2 units Get Catalog
1500W Buck-Boost Converter DC 10-60V to 12V 24V 28V 48V
Buck-Boost Converter

1500W Buck-Boost Regulator 10–60V to 12V/24V/28V/48V Waterproof Transformer with RS485

Input Window:10–60V DC Wide
Output Setting:Multi-rail (12–48V)
Thermal Limit:Auto Thermal Throttling
MOQ: 1 unit Get Catalog
Wide Input 20-80V to 48V DC Boost-Buck Converter
Buck-Boost Converter

Wide Input 20–80V to 48V DC Boost-Buck Converter 4A 192W Regulator for Telecom & Solar

Input Span:20–80V DC
Regulated Out:48V DC (4A)
Topology:Four-Switch Buck-Boost
MOQ: 5 units Get Catalog
Intelligent Boost-Buck 9-40V to 24V Power Supply
Buck-Boost Converter

Intelligent Step-Up / Step-Down 9–40V to 24V 6A/10A DC Stabilized Power Supply Module

Input Range:9–40V DC
Output:24V Steady Bus
Efficiency:Up to 95%
MOQ: 5 units Get Catalog
12V/24V to 6V Non-isolated Converter
Buck Converter

Non-Isolated 12V/24V to 6V 20A 25A Step-Down DC Voltage Regulator for Commercial Automation

Input:9–36V DC
Output:6V DC (20–25A)
Enclosure:Compact Cast Alloy
MOQ: 5 units Get Catalog
Mini USB 12V 24V to 5V 3A Step Down Buck Converter
Mini Buck Module

12V/24V to 5V 3A 15W DC-DC Step-Down Buck Converter with Type-C / Micro-USB Harness

Input Range:8–36V DC
Output Terminal:5V 3A (USB/Type-C)
Application:Dashcams, GPS, Fleet Tracking
MOQ: 5 units Get Catalog
9-40V to 28V Boost-Buck Converter for Solar Systems
Buck-Boost Converter

9–40V to 28V 5A 10A DC-DC Step-Up/Step-Down Converter for Solar Photovoltaic Systems

Input:9–40V DC
Output Voltage:28V DC (140W–280W)
Design Life:>50,000 Hours MTBF
MOQ: 5 units Get Catalog
Manufacturing & Validation

Precision Production & Onsite Quality Assurance

Shenzhen Eltrum Electronic Co., Ltd. operates standard production and testing workflows adhering strictly to ISO 9001:2015 quality standards. Every batch undergoes comprehensive automated electrical testing, burn-in validation, and environmental reliability stress checks.

Shenzhen Eltrum Electronic Co., Ltd. SMT and Assembly Lines

High-Precision Assembly Line

Equipped with advanced Surface Mount Technology (SMT) and automated wave-soldering facilities for optimal solder joint reliability and consistent electrical characteristics.

Shenzhen Eltrum Electronic Co., Ltd. Quality Control and Testing Lab

Burn-in & Quality Control Center

Rigorous 100% full-load aging tests, thermal camera cycling, and dielectric withstand tests ensure zero defect departure on critical power modules.

Shenzhen Eltrum Electronic Co., Ltd. Facility Headquarters

ISO 9001 Certified Facility

Complete traceability and standardized procurement processes ensure premium components (Rubycon/Nichicon caps, Infineon/TI semiconductors) in every build.

Custom Engineering

OEM & ODM Customization Services

Looking for custom input/output voltages, non-standard mechanical enclosures, specialized connectors, or unique charging profiles? Our R&D engineering team delivers custom prototypes with rapid turnaround times.

Voltage & Current

Tailored topologies from 3.3V up to 125V DC with customized step-up or step-down profiles matching your exact load.

Communication Protocols

Integration of CAN bus, RS485 Modbus, and Bluetooth telemetry for intelligent fleet and energy storage diagnostics.

Ingress & Thermal

Full vacuum epoxy potting delivering IP67/IP68 waterproof and shockproof performance for high-vibration off-road or marine systems.

Private Label Packaging

Complete buyer-label service including custom silk-screening, laser-etched chassis markings, and export-compliant retail cartons.

Need Custom Datasheets or Engineering Samples?

Contact Shenzhen Eltrum Electronic Co., Ltd.'s application engineers to receive full electrical specifications, 3D CAD step files, or wholesale volume quotes.

[email protected] Get Catalog