Smart 36V Lithium Battery Charger DC 12V to DC 43.8V Waterproof
- Topology: Isolated Boost Step-Up
- Input Voltage: DC 10V–36V Wide
- Max Current: 13A Continuous
- Sealing Class: IP67 Fully Potted
500+
Standard Power Models
1500V+
Galvanic Dielectric Isolation
IP65/IP68
Potted Moisture Protection
130+
Global Export Territories
Industrial Catalog
Flagship Isolated Converters & High-Spec Power Modules
Tested under severe thermal stress and variable voltage environments to deliver unwavering DC rail stabilization across automated manufacturing, marine transport, and off-grid facilities.
Industrial Isolated DC Converter 18–36V / 36–75V to 24V 5A
- Input Window: 18–75V Multi-Range
- Output Rail: 24V @ 5A (120W)
- Isolation: 1500VDC Optocoupled
- Protection: OCP, OVP, OTP, Short
Isolated 36–75V to 24V 5A Telecom Step-Down Converter
- Input Rating: 36–75V Standard Telecom
- Output Power: 120W Constant Load
- Ground Separation: Full Galvanic Barrier
- Casing: Die-Cast Aluminum
Isolated 18–90V Ultra-Wide Input to 12V 10A Waterproof Module
- Dynamic Range: 18–90V Ultra-Wide
- Output Current: 10A Peak Surge Tolerant
- Heat Dissipation: Integrated Fin Cooling
- Standard: CE / RoHS Certified
Isolated 36–75V to 12V 10A Power Supply for Forklifts & AGVs
- Target Input: 36V / 48V / 60V Battery
- Output Rating: 12V Stabilized @ 10A
- Noise Suppression: Ultra-Low Ripple (<50mV)
- Form Factor: High Vibration Resistant
Isolated 18–75V to 5V 20A (100W) Controller Bus Regulator
- Input Nominal: 24V / 48V Buses
- Output Voltage: 5V High-Amperage 20A
- Efficiency: Up to 92.5% Nominal
- Mounting: Chassis Flange Plate
1500W Industrial Buck-Boost Converter with RS485 Bus Interface
- Voltage Support: 10–60V Fully Reversible
- Output Flexibility: 12V / 24V / 28V / 48V
- Monitoring: RS485 Telemetry Feedback
- Power Capacity: 1500W Max Output
Waterproof 600W LiFePO4 Battery Charger (Multi-Voltage Array)
- Bank Systems: 12V / 24V / 36V / 48V Auto
- Charging Curve: 3-Stage Microcontroller CC/CV
- Resilience: Salt Fog & High-Humidity Safe
- Target Sector: Marine, Cold-Chain & EVs
Technical Whitepaper & Engineering Synthesis
Engineering Galvanic Isolation for Phnom Penh's Developing Electrical Grid
The manufacturing corridors flanking National Road 3, National Road 4, and the Phnom Penh Special Economic Zone (PPSEZ) operate under dynamic power environments characterized by load spikes, inductive feedback from heavy textile motors, and lightning-induced voltage surges during the wet monsoon season. In these operating conditions, non-isolated switching topologies frequently fail because circulating ground loops degrade sensitive low-voltage signals, while floating potential discrepancies destroy control logic boards.
As premier isolated power module manufacturers, Shenzhen Eltrum Electronic Co., Ltd. incorporates planar transformer technology and optoelectronic feedback barriers within its converter modules. By eliminating common return paths between the primary DC link (e.g., 48V battery arrays, diesel generator rectification buses, or rooftop solar strings) and the secondary system (e.g., 12V PLCs, Modbus/CAN bus transceivers, and machine vision sensors), our isolated modules safeguard operational integrity. A galvanic barrier certified up to 1500VDC or 3000VDC blocks severe voltage transients, suppressing common-mode electromagnetic interference (EMI) at the source.
Thermal Derating & Potting
Phnom Penh ambient temperatures routinely breach 38°C with over 85% relative humidity. Our isolated power supplies utilize high thermal-conductivity epoxy potting (UL94V-0 compliant), dissipating internal heat to the aluminum enclosure while creating a hermetic seal against moisture, sulfur corrosion, and insect intrusion.
Transient & Surge Suppression
Inductive switching spikes on industrial grids cause premature capacitor rupture. Eltrum integrates multi-stage LC filters and heavy-duty Metal Oxide Varistors (MOVs) to absorb voltage spikes upstream, ensuring output voltage ripple remains strictly below 1% under varying dynamic loads.
High-Efficiency Magnetics
By employing custom-wound high-frequency ferrite transformers and synchronous rectification MOSFETs, our isolated topologies achieve standard conversion efficiencies up to 93%, curbing thermal load inside control cabinets and minimizing parasitical self-heating during continuous production cycles.
Localized Integration
Deploying Isolated Converters Across Cambodian Industrial Sectors
From river ports along the Tonle Sap to automated manufacturing plants in Kandal Province, Eltrum isolated power supplies are engineered to solve systemic electrical infrastructure challenges.
Garment & Textile Automation
Garment sewing, laser-cutting, and computerized knitting lines along Veng Sreng Boulevard face high line-noise from heavy electrical motors. Isolated 24V-to-12V and 48V-to-5V modules prevent sensor drift and PLC reboots caused by ground potential shifts across expansive manufacturing floors.
Telecom Cell Sites & Microwave Relays
Cellular base stations deployed across the capital and suburban relay towers utilize positive-ground -48V DC bus architectures. Isolated DC-DC modules allow seamless integration of modern negative-ground auxiliary cameras, environmental monitors, and 12V telemetry cards without dead shorts.
Electric Mobility & Tuk-Tuk Fleets
Phnom Penh’s rapid shift toward electric three-wheelers (e-tuk-tuks) and light commercial EVs creates high demand for isolated 48V/60V/72V step-down converters. These step high traction battery voltages down to 12V safely, powering turn signals, GPS dashboards, and headlights without shocking chassis circuits.
Solar Microgrids & Agri-Cold Storage
Off-grid agro-processing plants handling agricultural produce in surrounding rural zones pair solar arrays with 48V LiFePO4 batteries. Eltrum isolated buck-boost converters maintain constant DC outputs for refrigeration valves and flow meters even when raw photovoltaic bus voltages fluctuate drastically.
Logistics, Port Facilities & Warehouse AGVs
Container handling terminals at the Phnom Penh Autonomous Port rely on automated guided vehicles (AGVs) and electric reach stackers. High-power isolated converters protect on-board positioning computers and LiDAR arrays from heavy back-EMF spikes generated when drive motors engage hard regenerative braking.
Market Intelligence
Emerging Technology Trends in the Phnom Penh Power Electronics Sector
Cambodia's industrial modernization, guided by the Industrial Development Policy (IDP), is accelerating structural changes in domestic power electronics procurement. As localized production moves beyond basic garment assembly into automotive components, electronic assembly, and clean-energy infrastructure, buyers in Phnom Penh are redefining component specifications:
1. Mainstreaming of 48V Distributed Power Architectures: Modern factories are transitioning away from high-loss 12V and 24V trunk cables to centralized 48V DC busbars. This switch reduces copper usage and resistive power loss over long distances. In turn, high-power isolated step-down modules (48V to 12V/24V) mounted directly at the point of load (PoL) have become critical design requirements.
2. Adoption of Battery Energy Storage Systems (BESS): To hedge against grid instability and peak tariff rates established by Electricite du Cambodge (EDC), industrial facilities are installing commercial-scale battery banks. These systems demand smart, isolated DC-DC converters equipped with RS485 and CAN communication protocols to monitor system health, thermal parameters, and real-time charging dynamics.
3. Demand for Tropicalized Hardware: Standard off-the-shelf power modules designed for temperate climates frequently face dielectric breakdown in Cambodia due to humid air condensation. Engineers increasingly mandate silicone or polyurethane potted converters with IP65 to IP68 ratings that prevent moisture ingress, fungal growth, and micro-particle contamination inside power supplies.
Manufacturing Excellence
Why Tier-1 Engineers Source from Shenzhen Eltrum Electronic
Founded in 2015 in Shenzhen, Shenzhen Eltrum Electronic Co., Ltd. has grown into an international powerhouse in high-reliability power module design and manufacture. Spanning a 3,000 m² state-of-the-art facility operating under strict ISO 9001 quality management, our engineering team brings a decade of specialized field experience to power conversion challenges.
Unlike trading intermediaries, Eltrum controls every step of development: custom magnetic core winding, precision SMT placement, automated thermal potting, and 100% full-load burn-in testing under elevated temperatures. We specialize in tailoring non-standard voltages and customized charging algorithms for international system integrators.
- Verified Onsite Manufacturing Facility with ISO 9001, CE, and RoHS Compliance
- Low Minimum Order Quantities: Evaluation samples start at just 5 units
- Comprehensive OEM/ODM Engineering: Custom input windows, custom pinouts, and custom curves
- Ruggedized Potting for Extreme Tropical Environments and Harsh Mobile Vibrations
- Global Logistics Reach: Direct freight corridors to Phnom Penh logistics hubs via air and sea
Procurement Guide
Frequently Asked Questions by Cambodian Engineers & Buyers
Direct technical and operational answers to common inquiries from our Cambodian industrial, telecom, and automotive procurement partners.
Why must I select an isolated power module over a non-isolated converter for Cambodian installations?
Non-isolated converters share a common negative ground between input and output. In Phnom Penh's industrial zones, high-power machinery, erratic line grounding, and frequent lightning strikes induce transient differences on grounding planes. An isolated module breaks the galvanic ground loop using a transformer barrier, ensuring that high-voltage feedback or noise on your primary DC bus cannot destroy microprocessors, sensors, and communication nodes on your secondary system.
How do Eltrum isolated power supplies handle high ambient heat and monsoon humidity?
All our industrial-grade isolated converters and waterproof LiFePO4 chargers feature full vacuum-assisted potting using industrial silicone or epoxy resins (UL94V-0 certified). This design achieves IP67 or IP68 ingress protection, completely preventing ambient moisture from condensing on internal circuits while conducting heat directly out to the aluminum heat-sink fins. We recommend a 20% to 30% thermal derating when installing inside unventilated outdoor metal enclosures in Cambodia.
What is the minimum order quantity (MOQ) and sample lead time for delivery to Phnom Penh?
To support prototype validation and engineering pilots, standard isolated converter models have an MOQ of only 5 units. Evaluation samples typically ship from our Shenzhen facility within 3 to 5 business days. For freight to Phnom Penh, we support direct air express courier services (3–5 days transit) or consolidated land/sea shipping through Sihanoukville or Phnom Penh dry ports for bulk volume containers.
Can you manufacture custom isolated converters for non-standard battery voltages?
Yes. Our internal R&D team specializes in custom OEM/ODM solutions. If your project utilizes custom lead-acid, lithium-titanate, or specific LiFePO4 battery banks (such as customized 36V, 60V, 72V, or 96V systems), we can engineer dedicated wide-input modules (e.g., 18–90V dynamic window) with tailored cut-off voltages, RS485 telemetry outputs, and custom mounting flanges.
What payment terms and transaction methods are accepted for Cambodian enterprises?
We provide flexible international B2B commercial terms. We accept Wire Transfer (T/T), PayPal for sample orders, and secure Escrow services in either USD or CNY. We ship under standard Incoterms including EXW, FOB Shenzhen, or CIF Phnom Penh, working seamlessly with your preferred domestic freight forwarders.
Build Resilient Power Systems with Eltrum Engineering
Consult directly with our power supply application engineers. Whether you need an off-the-shelf isolated converter sample or a customized high-power module built for extreme industrial conditions, our team is ready to assist your project.
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