Smart 36V 13A Waterproof LiFePO4 Charger
- Input VoltageDC 12V (10–18V)
- Charge Output43.8V @ 13A
- Protection GradeIP67 Sealed
- Efficiency> 94%
Direct Factory Catalog
High-Efficiency Conversion & Charging Fleet (Liège Stocking Spec)
Engineered by Shenzhen Eltrum Electronic Co., Ltd. for seamless integration into 12V, 24V, 36V, 48V, and 72V mobile, marine, and industrial microgrid systems.
1500W High Power Buck-Boost Converter
- Input RangeDC 10V – 60V
- Output Voltage12V / 24V / 48V Adj.
- Control BusRS485 Modbus
- CoolingIntegrated Heatsink
600W Waterproof AC-DC LiFePO4 Charger
- AC Input90V – 265V Universal
- DC Output14.6V – 58.4V
- EnclosureDie-Cast Aluminum
- ApplicationInland Marine & EV
24V to 12V 100A Heavy-Duty Buck Converter
- Input VoltageDC 18V – 35V
- Output Power12V @ 100A (1200W)
- Peak Efficiency96.5%
- CertificationsCE, RoHS
18-90V to 12V 10A Isolated DC-DC Module
- Wide Input RangeDC 18V – 90V
- IsolationGalvanic >1500V DC
- RatingIP65 Waterproof
- UsageForklifts & Telecom
12V to 48V 20A Waterproof Boost Converter
- Input VoltageDC 10V – 20V
- Step-Up Output48V @ 20A (960W)
- Thermal ControlAuto Heat Derating
- Target Load48V Motors & Solar
400W DC-DC Battery-to-Battery Charger
- Alternator InputDC 10V – 36V
- Charging ProfilesLiFePO4, AGM, GEL
- Smart SensingIgnition / Engine Run
- EnclosureFully Potted Epoxy
9-40V to 24V 10A Automatic Buck-Boost
- Wide Voltage RangeDC 9V – 40V
- Regulated Output24V ± 1% Stability
- No-Load Current< 20mA
- Vibration ResistanceIEC 60068-2-6
500+
Standard Converter Models
96.5%
Peak Conversion Efficiency
130+
Global Export Markets
ISO9001
Quality Verified Plant
Technical Whitepaper & Market Analysis
High-Efficiency DC-DC Voltage Regulation & Battery Charging Architectures for Wallonia’s Industrial Ecosystem
A comprehensive engineering guide on selecting high-efficiency buck, boost, buck-boost, and isolated switch-mode power supplies (SMPS) for the Liège metropolitan region and Walloon logistics hubs.
Thermal Management & Topologies
Analyzing how synchronous rectification reduces switching conduction losses in high-current 24V-to-12V buck systems and wide-input 18-90V isolated converters operating in continuous thermal environments.
Galvanic Isolation Standards
Why maritime transport on the River Meuse and heavy industrial automation at Trilogiport demand transformer-isolated ground decoupling (>1500V DC) to eliminate stray galvanic currents.
1. Executive Technical Overview: Power Conversion in Modern Logistics & Heavy Industry
As Wallonia executes its strategic energy transition under the Plan Air Climat Énergie (PACE 2030), the city of Liège has surfaced as Belgium’s primary inland logistics epicenter. Positioned strategically along the Meuse river network, featuring the third-largest inland port in Europe (Port de Liège) and hosting Cargo City at Liège Airport (LGG), the local economy demands resilient electrical conversion hardware. System integrators, vehicle outfitters, and OEM automation engineers in Liège face stringent operating requirements: ambient temperature fluctuations, high-vibration chassis mounting, extended operating duty cycles, and zero-tolerance EMI specifications.
Shenzhen Eltrum Electronic Co., Ltd., founded in 2015, manufactures enterprise-grade switch-mode power conversion units tailored precisely to these European industrial requirements. Operating from a 3,000m² ISO 9001-certificated manufacturing plant, Eltrum supplies high-efficiency non-isolated buck, boost, buck-boost converters, transformer-isolated DC-DC modules, and IP65/IP67 rated lithium iron phosphate (LiFePO4) battery chargers built with planar transformers and solid-state synchronous rectification MOSFETs.
Information Gain Metric: Traditional diode-rectified converters experience fixed forward diode drops ($V_f \approx 0.5\text{V} - 0.7\text{V}$), leading to power losses exceeding $70\text{W}$ at a $100\text{A}$ output load. Eltrum’s synchronous buck designs utilize ultra-low $R_{DS(on)}$ MOSFET switching stages, pushing conversion efficiency up to 96.5% and reducing thermal dissipation footprint by more than 60% compared to legacy architectures.
2. Switching Topology Selection Matrix for Engineering Procurement
Selecting the optimal topology prevents systemic field failures such as input undervoltage shutdown, destructive voltage spikes from alternator load dumps, and ground-loop noise coupling into CAN bus networks. Below is an engineering comparison matrix designed for technical buyers in Liège:
| Topology | Input Voltage Window | Regulated Output | Galvanic Isolation | Peak Efficiency | Primary Industrial Application |
|---|---|---|---|---|---|
| Synchronous Buck | 18V – 35V DC / 30V – 60V DC | 12V, 13.8V, 24V DC | No (Common Ground) | 96.5% | Truck/Bus fleet 24V-to-12V step-down, 48V AGV auxiliary step-down |
| Boost Step-Up | 10V – 20V DC / 18V – 32V DC | 24V, 36V, 48V DC | No (Common Ground) | 95.2% | 12V battery banks stepping up to power 48V hydraulic pump motors |
| Four-Switch Buck-Boost | 9V – 60V DC (Ultra-Wide) | 12V, 19V, 24V, 28V DC | No (Common Ground) | 94.8% | Voltage stabilization on battery systems during engine cranking transients |
| Galvanic Isolated | 18V – 90V DC / 36V – 75V DC | 5V, 12V, 24V DC | Yes (>1500V DC Dielectric) | 92.0% | Telecom base stations, forklift traction battery step-down, marine hull isolated networks |
| LiFePO4 DC Charger | 10V – 36V DC (Alternator) | 14.6V, 29.2V, 43.8V, 58.4V | Optional Model-Dependent | 94.5% | Smart alternator CC/CV multi-stage charging for auxiliary house batteries |
Non-Isolated Buck / Boost Topologies High Efficiency
Utilizes a single energy-storage inductor with common negative ground. Offers maximum power density and thermal efficiency in compact aluminum enclosures. Ideal for vehicular cabin electronics, off-grid solar arrays, and unified ground mobile platforms.
Galvanically Isolated Topologies Maximum Protection
Integrates a high-frequency ferrite transformer to completely separate input and output ground loops. Prevents stray return currents through vehicle chassis, protects sensitive RS485/CAN telemetry, and satisfies maritime safety isolation directives.
Localized Applications
Engineered for Liège's Specialized Industrial Sectors
From heavy inland river push-boats on the Meuse to high-throughput distribution warehouses at Liège Airport, Eltrum converters solve unique real-world electrical challenges.
1. Meuse River Inland Shipping Electrification
Inland barges navigating between the Port de Liège, Rotterdam, and Antwerp are transitioning to electric and hybrid propulsion. Eltrum's IP67 waterproof isolated DC-DC converters step down high-voltage 48V or 72V propulsion battery banks to stable 12V/24V rails for navigation radars, AIS transponders, LED searchlights, and bilge pumps without introducing hull galvanic corrosion.
- Zero ground-loop interference on marine VHF radios
- Fully potted epoxy prevents salt and moisture intrusion
2. Liège Airport Cargo City Logistics & AGVs
Automated Guided Vehicles (AGVs) and electric forklifts operating 24/7 inside cold-chain logistics warehouses near Grace-Hollogne utilize 48V or 80V lithium traction packs. Eltrum’s 18-90V wide-input buck converters step down primary voltage to 12V and 24V to power onboard LIDAR sensors, industrial PCs, barcode scanners, and safety beacons with high immunity to motor inductive spikes.
- Tolerates heavy motor braking energy back-EMF spikes
- Compact footprint fits tight vehicle chassis bays
3. Industrial Automation & Heavy Manufacturing
Liège's long-standing steelmaking and metallurgy industrial corridors (Seraing, Flémalle, Herstal) require rugged automation components. Eltrum’s 1500W Buck-Boost converters with RS485 Modbus communication provide real-time telemetry and stable voltage rails for robotic arm controllers, heavy hydraulic solenoids, and optical inspection equipment susceptible to line drop.
- RS485 interface for remote monitoring and voltage control
- Heavy aluminum heat-sink fins for ambient operational stability
Regulatory & Regional Growth
Local Development Trends & European Standards Compliance
Aligning power conversion hardware with the European Green Deal, Walloon environmental directives, and international electromagnetic safety frameworks.
The Fleet Electrification Push in Wallonia
Under Wallonia's updated mobility roadmaps, regional commercial transport fleets and utility service vehicles operating across the Liège province must reduce operational carbon footprints. This shift has triggered mass retrofitting of municipal service trucks, delivery vans, and mobile workshop fleets with auxiliary LiFePO4 house battery systems.
Standard vehicle alternators are not designed to directly charge low-internal-resistance LiFePO4 batteries; doing so can burn out the alternator stator or improperly charge the lithium cells. Eltrum’s smart DC-DC battery-to-battery chargers solve this issue by regulating input current drawn from the main starter battery and executing precise 3-stage (CC/CV/Float) charging curves specifically calibrated for LiFePO4 chemistries (14.6V / 29.2V / 43.8V / 58.4V).
Rigorous Safety & EMI Compliance
To be deployed across the European Union and specifically in Belgian industrial facilities, power conversion equipment must comply with strict safety and electromagnetic interference regulations. Eltrum products are manufactured under a verified ISO 9001 quality management framework and meet all core EU compliance directives:
- CE Compliance: Meets Low Voltage Directive (LVD) 2014/35/EU.
- EMC Standards: Conforms to EN 55032 Class B for low radiated and conducted emissions, preventing interference with vehicle radios and wireless telemetry.
- RoHS Directive: Compliant with 2011/65/EU and amendment 2015/863/EU restricting hazardous substances.
- Environmental Sealing: Polyurethane potting options achieving true IP65/IP67 ingress protection against dust, moisture, and chemical exposure.
Frequently Asked Questions
Procurement & Technical FAQ for Belgium & EU Buyers
Clear engineering and commercial answers to simplify your supplier vetting process for Shenzhen Eltrum Electronic Co., Ltd.
What is the typical Minimum Order Quantity (MOQ) for standard and customized converters?
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To enable system integrators and engineers in Liège to thoroughly test sample units on their test benches, most standard Eltrum buck, boost, and isolated converter models carry a flexible low MOQ starting from just 5 units. Selected high-power industrial modules (such as 1500W buck-boost units) can be ordered from 1–2 units for sample evaluation, while custom OEM/ODM modifications start at 50 units.
When should a system designer choose an isolated converter over a non-isolated converter?
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Select a galvanically isolated converter whenever your input power source and output load must maintain completely separate electrical grounds. Key examples in the Liège market include: 48V telecom installations where positive grounding is used, electric forklifts with high voltage traction battery floating grounds, and marine vessels on the River Meuse where shared ground returns create dangerous electrolytic hull corrosion. If your application shares a common negative return without noise sensitivity, a non-isolated converter offers higher efficiency and smaller physical size.
How do Eltrum DC-DC chargers protect vehicle Euro 6 smart alternators?
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Modern Euro 6 commercial transport vehicles feature ECU-controlled smart alternators that frequently cycle output voltage down to 12.6V during eco-coasting, which disrupts traditional split-charge relays. Eltrum DC-DC battery chargers incorporate intelligent ignition-sensing line detection ($D+$ signal control) and wide-input buck-boost regulation. They maintain a steady, current-limited charging profile to the auxiliary lithium battery regardless of smart alternator voltage sags, preventing alternator overheating and battery damage.
Can Eltrum customize charging curves, output voltages, or connector pinouts?
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Yes. Shenzhen Eltrum Electronic Co., Ltd. provides full OEM/ODM custom design services. Our engineering team can adjust constant current (CC) and constant voltage (CV) parameters for custom LiFePO4, NMC, or LTO battery packs, customize output voltages (e.g., 13.8V, 19V, 28V, 43.8V, 58.4V), fit Anderson power poles, Deutsch connectors, or waterproof cable glands, and add RS485 Modbus telemetry protocols.
What are the lead times and shipping options for deliveries into Belgium?
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Standard catalog sample orders ship within 3–7 business days from our Shenzhen factory. Batch production orders typically require 15–25 days depending on component customization. We offer FOB, EXW, and DDP shipping solutions via air express (DHL/FedEx/UPS), air freight direct to Liège Airport (LGG), or ocean/rail freight to Antwerp/Rotterdam with customs clearance and door-to-door delivery across Belgium.
What payment terms and warranty guarantees are provided?
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We accept wire transfer (T/T), PayPal, and Escrow in USD or EUR. All Eltrum DC-DC converters and battery chargers come with a standard 12 to 24-month factory warranty. Every batch undergoes 100% full-load burn-in testing and automated electrical inspection prior to export packaging.
Enterprise Strength
Why Partner with Shenzhen Eltrum Electronic Co., Ltd.?
Combining world-class Shenzhen power electronics manufacturing speed with stringent European quality and reliability expectations.
Modern Production
Operates automated SMT pick-and-place lines, wave soldering systems, and automatic vacuum potting equipment for flawless IP67 component encapsulation.
100% Burn-in Tested
Zero-defect quality strategy: Every power module undergoes environmental thermal cycling and high-temperature full-load burn-in testing before shipment.
Rapid Prototype R&D
Our experienced power supply R&D engineers evaluate your electrical schematics and provide modified samples or custom enclosure drawings within days.
Extensive Catalog
With 500+ standard switch-mode models spanning 5V to 90V inputs and up to 1500W outputs, we provide one-stop procurement for industrial systems.
Ready to Upgrade Your Power System Architecture in Liège?
Whether you are designing next-generation electric inland vessels, outfitting airport logistics AGVs, or sourcing CE-certified 24V-12V buck converters for fleet maintenance, our engineering team is ready to assist.