Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- TopologyBoost DC-DC Charger
- Input Voltage10V – 36V DC
- Output Profile43.8V CC/CV 13A
- EnclosureIP67 Fully Potted
Technical Insight & Regional Relevance
Engineering Power Resilience in Southern Europe's Logistics Crossroads
A comprehensive architectural overview for electronics distributors, marine contractors, and light industrial integrators operating within the Qormi commercial and industrial corridor.
Qormi represents one of the historical and geographical commercial hearts of Malta, acting as an indispensable staging hub between Grand Harbour shipping terminals, the Marsa industrial sector, and the domestic transport grid. As Maltese logistics hubs modernize and local engineering enterprises shift aggressively toward renewable photovoltaic microgrids, fleet electrification, and marine utility conversions, the necessity for robust, high-efficiency power supply modules has never been more paramount. Shenzhen Eltrum Electronic Co., Ltd., leveraging over a decade of tier-one power supply design and manufacturing expertise since 2015, bridges this demand by engineering solid-state switched-mode power supplies (SMPS) specifically ruggedized against the environmental vulnerabilities common to the Central Mediterranean basin.
In high-ambient-temperature, marine-saline microclimates such as Malta's, conventional open-frame switch-mode regulators face accelerated thermal runaway and corrosion degradation. Eltrum's specialized power converter topologies—encompassing buck, boost, four-switch buck-boost, and transformer-isolated DC-DC architectures—are housed within precision die-cast aluminum casings completely potted with thermally conductive polyurethane compounds (IP65 to IP68 rating). These units seamlessly withstand transient alternator spikes, high solar array open-circuit voltages (Voc), and mechanical engine bay vibrations, providing system integrators throughout Qormi with industrial-grade reliability and low MTBF failure rates.
Whether configuring dual-battery split-charge systems for regional transport vans navigating stop-and-go delivery routes across Malta's central valleys or deploying 48V-to-12V isolated step-down rails for heavy material-handling fleets in Qormi industrial estates, Eltrum delivers uncompromising voltage stability. By operating an integrated ISO 9001-certified factory in Shenzhen with direct export channels, we provide local European engineering firms with bespoke charging profiles, OEM buyer labeling, and minimal order barriers (starting from just 5 units) to facilitate rigorous field validation.
Standard Models Catalog
Factory-Direct Switched-Mode Power Modules & Chargers
Optimized for EV commercial retrofits, marine battery storage, and stabilized industrial automation rails.
1500W High-Power Buck-Boost Converter (RS485)
- TopologySynchronous 4-Switch
- Input Range10V – 60V DC
- Output Rail12V / 24V / 28V / 48V
- TelemetryRS485 MODBUS Support
600W Waterproof AC-DC LiFePO4 Mains Charger
- AC Input90V – 265V Universal
- Output Rail14.6V – 58.4V Options
- Efficiency>93.5% Nominal
- ComplianceCE / RoHS / IP65
18–90V to 12V 10A Galvanic Isolated DC Converter
- TopologyTransformer Isolated
- Input SpanUltra-Wide 18V – 90V DC
- Isolation Barrier1500V DC Min.
- ApplicationTelecom & Forklifts
24V to 12V 85A/100A Heavy Duty Step-Down Buck
- Continuous Power1000W – 1200W
- Input Span18V – 32V DC
- Output Rail12V DC ±1.5%
- Thermal MgmtExtruded Fin Heatsink
400W Multi-Stage DC-DC LiFePO4 Charger
- Input Support10V – 36V DC Alternator
- Charging StagesBulk, Absorption, Float
- Output Settings14.6V / 29.2V Presets
- ProtectionReverse Polarity & OVP
12V to 48V 15A/20A Industrial Boost Converter
- Step-Up Output48V DC Regulated
- Input Voltage10V – 16V DC Low Rail
- Peak Efficiency95.2% Synchronous
- Ingress RatingIP68 Submersible Potted
10–44V to 12V 50A Automotive Voltage Stabilizer
- FunctionAutomatic Buck-Boost
- Output Rail12V DC Steady 50A (600W)
- ProtectionUnder-Voltage Lockout
- Form FactorSealed Aluminum Chassis
Manufacturing Authority
Shenzhen Eltrum Electronic Co., Ltd.
Founded in 2015, Shenzhen Eltrum Electronic Co., Ltd. operates a vertically integrated production plant spanning up to 3,000 square meters in Shenzhen’s Hangcheng industrial precinct. We specialize in advanced magnetic design, automated Surface Mount Technology (SMT), automated silicone potting, and comprehensive environmental burn-in screening.
Our deep engineering legacy originated in high-reliability isolated DC-DC conversion for the telecommunications and aerospace sectors. Today, this rigorous design methodology governs our entire product spectrum, offering European procurement partners verified compliance with CE, RoHS, and international EMC harmonics thresholds.
- On-site factory verification by international third-party inspection firms
- Customized charging curves (LiFePO4, NMC, AGM, Gel) configured via microcode
- Comprehensive full-load thermal chamber and load-step transient testing
- Dedicated OEM/ODM design engineering with buyer label customization
Maltese Context & Engineering Fit
High-Impact Localized Application Scenarios in Qormi
Engineered to resolve real-world electrical conversion friction across Malta's demanding commercial, logistics, and coastal operating spheres.
Commercial Last-Mile & Service Van Retrofits
Qormi serves as the regional transshipment baseline for fleets delivering goods across the Maltese archipelago. Light commercial vans equipped with refrigeration, tail-lifts, or onboard telemetry face severe starter-battery drainage during prolonged idling. Eltrum’s 12V-to-12V and 12V-to-24V intelligent battery-to-battery (B2B) chargers regulate alternator draw while safely feeding auxiliary LiFePO4 packs without tripping Euro-6 smart alternator fault diagnostics.
Grand Harbour & Marina Coastal Marine Auxiliary
Due to Qormi's direct highway adjacency to the Marsa shipyard and Valletta cruise and yacht berths, local marine electrical contractors handle demanding vessel refits. Marine power rails suffer from ground loop interference and salt-spray humidity. Eltrum’s fully sealed IP67/IP68 isolated DC-DC converters deliver galvanic boundary separation (1500V DC breakdown rating), safeguarding vessel communications, radar, and bilge automation from hull electrolytic corrosion.
Industrial Yard AGVs & Warehouse Forklift Fleet
Within Qormi's extensive wholesale storage depots and logistics centers, electric warehouse equipment frequently operates on 48V, 60V, or 72V traction banks. Stepping down this volatile traction rail to clean 12V or 24V power for optical scanners, industrial touch panels, and LED spotlight arrays requires converters that suppress back-EMF motor-braking spikes. Our heavy-duty buck converters manage wide inputs up to 90V without component fatigue.
Strategic Market Evolution
Emerging Energy & Power Architecture Trends in Malta
Key regulatory and industrial shifts driving switch-mode power supply procurement across Maltese enterprises.
Accelerated Transition to Commercial LiFePO4 Chemistry
National decarbonization targets are pushing commercial operators in Malta to swap heavy, short-lived lead-acid banks for high-density Lithium Iron Phosphate (LiFePO4) systems. Because LiFePO4 cells feature flat discharge curves and strict upper voltage cutoffs (typically 14.6V per 4S string), unregulated charging destroys packs. Demand for microcontrolled CC/CV chargers with custom low-temperature and high-temperature thermal cutoffs is multiplying across Qormi equipment suppliers.
Rooftop Photovoltaic & Fluctuating DC Bus Storage
With Malta boasting over 3,000 hours of annual sunshine, industrial facilities in Qormi are maximizing rooftop PV installations coupled with localized battery storage. However, decentralized DC microgrids experience dramatic voltage fluctuations between cloudy intervals and noon peak irradiance. Four-switch buck-boost converters capable of holding a stable 24V or 48V rail from dynamic solar battery inputs are becoming non-negotiable infrastructure components.
Digitization, Telemetry & RS485 Communication
Modern fleet managers and off-grid facility administrators in Southern Europe increasingly reject standalone "black-box" power converters in favor of intelligent, addressable systems. Integrating digital communication protocols—predominantly RS485 MODBUS—allows remote PLC systems to monitor real-time rail currents, heatsink thermals, and fault registers. Eltrum's high-wattage smart converters deliver this exact supervisory visibility for precision automation.
Procurement Clarity
Frequently Asked Questions by Maltese Buyers
Addressing common technical selection, regulatory compliance, and logistics inquiries from regional engineering professionals.
How do Eltrum power supply modules withstand Malta’s marine-saline atmosphere?
Standard commercial electronics degrade rapidly in coastal environments like Malta, where maritime salt spray permeates inland areas such as Qormi. Eltrum builds modules with thick, high-pressure die-cast aluminum alloys treated with anti-corrosion anodized coatings. Furthermore, the internal electronics undergo vacuum polyurethane encapsulation (potting), sealing semiconductors, inductors, and solder joints completely away from moisture, salt aerosols, and corrosive humidity (conforming to IP67 and IP68 standards).
Can Eltrum configure customized charging parameters for proprietary battery chemistries?
Yes. As an original design manufacturer (ODM), Eltrum's engineering team routinely reprograms our digital charging controllers to deliver tailored multi-stage CC/CV curves. Whether your application requires an exact 14.6V LiFePO4 absorption voltage, specialized 25.2V / 50.4V NMC lithium-ion termination voltages, or temperature-compensated profiles for AGM marine batteries, we flash custom firmware during SMT production.
What is the difference between non-isolated and isolated converters for vehicle and marine use?
Non-isolated converters share a common negative ground between the input source and output load, maximizing power density and conversion efficiency (often exceeding 95%). However, in marine craft or heavy industrial machinery where battery noise, radio frequency harmonics, or ground-loop electrical potential differences cause interference or galvanic corrosion, isolated converters must be used. Isolated converters utilize an internal high-frequency transformer barrier to completely break electrical continuity between input and output grounds.
What are the standard delivery timelines and shipping protocols to Malta?
For initial prototyping and engineering samples (orders starting from 5 units), we typically ship via express air couriers (DHL, FedEx, UPS) directly from Shenzhen to Malta International Airport (Luqa), delivering within 4 to 7 business days with full tracking and customs documentation. For bulk commercial stock orders destined for Qormi warehousing, we coordinate consolidated air cargo or seafreight container services terminating at the Malta Freeport (Birżebbuġa) under FOB, CIF, or EXW terms.
Are Eltrum power converters fully certified for deployment within the European Union?
All Eltrum DC-DC converters and AC-DC battery chargers comply strictly with CE directives, including electromagnetic compatibility (EMC EN 61000 standards) and low-voltage safety standards (LVD). Additionally, our entire manufacturing footprint is RoHS compliant, restricting hazardous heavy metals, and operates under a certified ISO 9001 quality management framework. Official test certificates and declarations of conformity are provided with engineering samples upon request.
Direct Factory Collaboration
Consult with Eltrum Power Supply Design Engineers
Supply our technical desk with your input source voltage boundaries, intended load profiles, and target form factor. Receive a comprehensive engineering evaluation, CAD drawings, and volume FOB/CIF quotation within 24 business hours.