Smart 36V Lithium Charger DC 12V to 43.8V 13A
- TopologyBoost CC/CV Step-Up
- Input Voltage10V – 30V DC
- Target Output43.8V @ 13A (570W)
- EnclosureIP68 Potted Aluminum
Engineered for Demanding Baltic Conditions
Featured Industrial DC-DC Step Up Converters & Power Units
Precision synchronous rectification, ruggedized IP68 aluminum enclosures, and advanced wide-input thermal topologies engineered for Liepāja's severe coastal, transit, and sub-zero storage systems.
12V to 24V / 48V High-Current Boost Unit
- TopologySynchronous Step-Up
- Rated PowerUp to 1200W (50A / 20A)
- Efficiency≥ 96.5% peak
- ProtectionsUVP, OVP, OCP, Thermal
12V to 48V Waterproof Step-Up Converter
- Input Range9V – 30V DC
- Output Rails48V (12.5A to 20A)
- Ingress RatingIP68 Hermetic Potting
- Operating Temp-40°C to +85°C
24V to 48V 10A/15A Port Vehicle Step-Up
- Input Range18V – 35V DC
- Nominal Output48V DC @ 15A (720W)
- Ripple & Noise≤ 80mVp-p
- ApplicationPort Cranes & Marine AGV
1500W Digital Buck-Boost / Step-Up Module
- Input Range10V – 60V Continuous
- Regulated Output12V, 24V, 28V, 48V Adjustable
- CommunicationRS485 Modbus Telemetry
- CoolingIntegrated Cold-Plate Heatsink
18–90V Wide-Input Isolated Power Stage
- Dielectric Isolation1500V DC Galvanic
- Output Rails12V / 24V Regulated
- Ground LoopsZero Common Ground Path
- Noise ImmuneEN 55032 Class B Compliant
400W Multi-Stage Step-Up DC Battery Charger
- Alternator Input10V – 36V Smart Alternator
- Lithium Curve14.6V / 29.2V / 43.8V CC-CV
- HousingCorrosion-Proof Polyurethane Potted
- CertificationCE, RoHS, ISO 9001
Custom Step-Up Boost Engineering Solutions
- Custom Voltages3.3V to 150V DC Output
- Current LimitsProgrammable Constant Current
- ConnectorsDeutsch, Amphenol, Terminal Lugs
- Rapid SamplesDispatched in 7–10 Business Days
Kurzeme Industrial Context
Localized Application Scenarios in Liepāja & the Baltic Sea Corridor
Analyzing the exact electrical engineering challenges encountered across the Liepāja Special Economic Zone (SEZ), port facilities, and offshore supply lines.
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Baltic Maritime & Ice-Resilient Vessels
Commercial fishing vessels, pilot boats, and short-sea cargo traversing the Baltic require 24V or 48V marine auxiliary power from standard 12V engine starter banks. Our potted IP68 step-up converters mitigate the damaging effects of high humidity, saline fog, and mechanical wave slamming inside the Port of Liepāja.
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Offshore & Nearshore Wind Turbine Nacelles
Kurzeme's wind corridors demand uninterruptible field electronics. In the event of grid disconnections, 12V and 24V battery systems must be stepped up to 48V or 54V to run critical obstacle strobe lighting, blade pitch control monitoring, and SCADA environmental sensors without harmonic line distortions.
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SEZ Multimodal Transport & Logistics Fleets
Liepāja's dry port, rail terminals, and ro-ro ferry connectors rely heavily on battery-powered automated guided vehicles (AGVs) and heavy transport trucks. Our step-up modules maintain stable power for onboard satellite telematics, GPS navigation, and active refrigeration data loggers across deep Baltic winters down to -40°C.
Technical White Paper Insight: Mitigating Line Sag & Thermal Drift in Coastal Power Networks
In high-latitude coastal zones like Liepāja, DC step-up topologies face two predominant failure vectors: extreme sub-zero cold-cranking voltage depression and high-salinity condensation corrosion. When heavy industrial equipment starts in freezing conditions (-25°C to -35°C), lead-acid or even pre-heated LiFePO4 starter banks experience drastic instantaneous voltage collapse down to 7V or 8V. Conventional non-isolated converters brown out or enter latch-off protection states, shutting down auxiliary navigation, edge-computing computers, and IoT sensors.
Shenzhen Eltrum Electronic Co., Ltd. solves this structural engineering flaw through an advanced Ultra-Wide Input Boost Topology with dynamic frequency throttling and synchronous rectification. By deploying premium automotive-grade primary MOSFETs and magnetic cores with minimal copper loss, our step-up boost converters sustain nominal 24V, 28V, or 48V outputs even when input rails dip to 8V during cold-weather crank events. Furthermore, vacuum-pressure potting with thermal-conductive silicone ensures that moist, saline Baltic sea breezes never establish dendrite growth or salt bridging across delicate SMD IC pathways.
Synchronous Switching
Low RDS(on) MOSFETs replace passive Schottky diodes, driving operating efficiency up to 96.5% and curtailing parasitic heat dissipation.
Hermetic Void-Free Potting
Polyurethane and silicone compound encapsulation exceeds IP68, completely sealing internal circuitry from brine, frost, and dust.
Wide Thermal Operating Envelope
Certified operational capabilities spanning from -40°C Baltic winter freezes up to +85°C confined engine bay conditions.
Transient & Surge Suppression
Multi-stage TVS clamping, soft-start circuitry, and reverse-polarity protection safeguard downstream electronics from load dumps.
Future Energy Outlook
Emerging Technological Trends Across Western Latvia's Power Sector
Aligning with European Green Deal goals, REPowerEU directives, and modernization across Latvian commercial and defense infrastructure.
1. The Transition to 48V Architecture in Commercial Maritime Fleets
Historically, coastal vessels, tugs, and utility craft berthed at the Port of Liepāja functioned on legacy 12V or 24V direct current infrastructure. However, the adoption of electric winches, bow thrusters, high-output sonar systems, and zero-emission auxiliary motors is pushing naval architects toward 48V DC micro-distribution. Because replacing existing engine alternators and primary battery banks is cost-prohibitive, high-amperage 12V to 48V DC step-up boost converters from Shenzhen Eltrum serve as the critical infrastructural bridge, allowing shipbuilders to run smaller gauge copper wiring, lower cable weight, and eliminate resistive transmission drop.
2. Rapid Electrification of Special Economic Zone (SEZ) Material Handling
Liepāja's position as an industrial production center has catalyzed a shift from diesel-powered forklifts and yard tractors toward lithium iron phosphate (LiFePO4) power packs. Converting raw battery voltages (which dynamically fluctuate from 21V discharged to 29.2V charged in 24V banks, or 42V to 58.4V in 48V banks) into precise, regulated voltage rails for CAN-bus controllers and vision-guidance systems requires ruggedized, high-precision DC-DC conversion hardware capable of withstanding constant vibration on uneven dock surfaces.
3. Microgrid Resilience for Isolated Coastal Communication Nodes
Surveillance, telecommunication towers, and lighthouse facilities dotted along the Baltic coastline are turning to hybrid solar-wind off-grid nodes with battery energy storage systems (BESS). Step-up converters featuring wide input windows and RS485 digital telemetry allow systems integrators in Kurzeme to remotely track system health, adjust output setpoints dynamically, and maintain continuous telemetry back to central dispatch offices in Riga and Liepāja.
DC-DC Step-Up Voltage Conversion Matrix for Procurement Teams
| Nominal Input | Operational Range | Stepped-Up Output | Peak Amperage | Topology Class | Primary Industrial Use in Liepāja |
|---|---|---|---|---|---|
| 12V DC | 9.0V – 20V DC | 24V DC | 30A / 40A / 50A | Synchronous Boost | Truck Cabin Radios, Navigational Radars, Commercial RVs |
| 12V DC | 10.0V – 30V DC | 48V DC | 10A / 15A / 20A | High-Power Step Up | Marine Thrusters, LED Floodlighting, Off-Grid Inverters |
| 24V DC | 18.0V – 35V DC | 48V DC | 15A / 25A | Synchronous Boost | Port Cargo Cranes, Marine Hybrid Auxiliaries, AGVs |
| 12V / 24V | 10.0V – 36V DC | 43.8V DC (LiFePO4) | 13A CC/CV | Smart Step-Up Charger | Battery-to-Battery Charging from Alternator to House Bank |
| 18V – 36V | 18.0V – 75V DC | 48V DC | 10A Regulated | 1500V Galvanic Isolated | Substation SCADA, Coastal Defense Radars, Telecom Towers |
Direct From The Factory
Shenzhen Eltrum Electronic: World-Class Power Module Manufacturing
Founded in 2015, Shenzhen Eltrum Electronic Co., Ltd. operates a high-precision manufacturing and testing facility dedicated to high-reliability DC power conversion hardware.
Shenzhen Eltrum Electronic Co., Ltd. specializes in the R&D, manufacturing, and global direct distribution of synchronous DC-DC step down (buck), step up (boost), buck-boost, and galvanically isolated power conversion modules, as well as smart battery-to-battery chargers. Serving over 130 countries, our products are engineered specifically to withstand heavy operational shock, electrical line surges, and extreme temperature variations.
Our engineering prowess originated in demanding isolated industrial DC conversion applications, where zero tolerance for ground loops, electromagnetic interference, and heat breakdown was paramount. We apply those exact design methodologies to every step-up converter rolling off our lines. Each unit undergoes strict multi-stage automated optical inspection (AOI), full-load burn-in cycles at rated temperatures, and vacuum leak testing to verify true IP68 integrity before export dispatch.
For Baltic distributors, engineering procurement contractors, and OEM builders in Liepāja, we eliminate intermediary markups, providing direct factory engineering consultations, rapid prototyping from 5 units, and tailored mechanical housings or proprietary charging curves.
✔ ISO 9001 Quality System
✔ CE & RoHS Certified
✔ Custom Voltage Curves
✔ Buyer Label & OEM/ODM
✔ Fast Global Air/Sea Express
Buyer FAQs
Frequently Asked Questions for Liepāja & Baltic Procurement
Clear technical and commercial answers regarding importing, testing, compliance, and custom hardware engineering.
What are the lead times and shipping routes for converters delivered to Liepāja, Latvia?
Standard prototype orders (from 5 units) are assembled and dispatched via DHL, FedEx, or UPS air express from our Shenzhen facility within 5 to 7 business days, arriving in Latvia within 4 to 6 transit days. For commercial volume orders, we coordinate ocean freight directly to the Port of Liepāja or Port of Riga, as well as multimodal air/rail shipping depending on your project deadlines.
Do your DC step up converters comply with European Union CE and RoHS directives?
Yes. All Eltrum DC-DC converters, step-up stabilizers, and battery chargers are manufactured under an ISO 9001 certified quality management framework and are fully compliant with CE low-voltage and EMC directives (EN 55032, EN 55035) and RoHS environmental standards. Official Declarations of Conformity and full laboratory test reports can be supplied upon request.
How does high marine salinity in coastal Liepāja affect step-up converter reliability?
Standard ventilated power modules suffer rapid trace corrosion when exposed to Baltic sea air. Eltrum's marine-grade step-up models utilize die-cast aluminum enclosures that are fully vacuum-potted with thermally conductive epoxy or silicone resin. This provides true IP68 waterproof, anti-fungal, and salt-fog proof protection, ensuring that moisture and salt crystals never touch electrical components.
Can a step-up converter be used to charge a LiFePO4 battery bank from an alternator?
A standard fixed-voltage boost converter should not be connected directly to lithium cells because it lacks constant-current/constant-voltage (CC/CV) algorithmic control. For this application, you must use our dedicated DC-DC Battery Charger Series (such as our 12V to 43.8V or 12V to 29.2V models). These devices boost the alternator voltage while strictly regulating the multi-stage CC/CV profile required to protect the lithium BMS and prevent alternator overheating.
What sizing precautions should our engineering team consider for inductive motor loads?
DC motors, refrigeration compressors, and winches typically pull locked-rotor or inrush current surges that are 3 to 5 times their running load. When specifying a step-up converter, we recommend a minimum continuous headroom margin of 25% to 30%, or configuring our models with integrated peak surge tolerance. Our engineers can review your load curve and provide exact sizing verification.
What payment structures and Incoterms are offered to Latvian commercial buyers?
We support standard international B2B terms including FOB Shenzhen, CIF Liepāja/Riga, and EXW factory. Payments can be settled via telegraphic transfer (T/T), PayPal (ideal for sample evaluations), or Escrow accounts in USD or EUR currencies. Established OEM partners may discuss revolving credit arrangements following initial order history.
Ready to Optimize Your DC Power Infrastructure in Liepāja?
Connect immediately with Shenzhen Eltrum Electronic's application engineering group. Whether you require custom input/output voltage ratios, private-label branding, or rapid prototype evaluation samples, we provide comprehensive technical datasheets and competitive direct factory quotations within 24 hours.