Smart 36V Lithium Battery Charger 12V to 43.8V 13A
- TopologyBoost / Multi-Stage
- Input VoltageDC 10.5V - 15.5V
- Output VoltageDC 43.8V CC/CV
- IP RatingIP67 Fully Potted
Direct OEM Lineup
High Voltage DC-DC Converters & LiFePO4 Chargers
Engineered for high conversion efficiency, robust thermals, and harsh industrial environments. Standard and custom DC power architectures delivered directly to Cluj-Napoca OEMs.
1500W Buck-Boost Converter 10-60V RS485 Control
- TopologySynchronous Buck-Boost
- Input VoltageDC 10V - 60V Wide
- Output Rails12V / 24V / 28V / 48V
- InterfaceRS485 Telemetry
Isolated DC-DC Converter 18-90V to 12V 10A Waterproof
- Galvanic Isolation1500V DC Min.
- Input Window18V - 90V DC
- Current Output10A (120W Continuous)
- ApplicationsForklifts • Telecom
24V to 12V 85A/100A High-Current Step Down Buck
- TopologyMulti-Phase Buck
- Input VoltageDC 18V - 35V
- Output CurrentUp to 100A Peak
- CertificationsCE • RoHS • ISO9001
600W Waterproof AC-DC LiFePO4 Fast Charger
- AC Range90V - 264V Universal
- DC Output Profile14.6V - 58.4V CC/CV
- EnclosureSealed Aluminum IP65
- ProtectionOVP, OCP, OTP, Reverse
30-90V to 24V 20A Traction Pack Step Down Module
- Input Voltage30V - 90V (48V/72V Packs)
- Output Power480W Constant Rail
- EfficiencyUp to 96.2%
- CoolingDie-cast Convection
400W DC-DC Dual Battery Charger 10-36V Input
- Source CompatibilitySmart Alternator / PV
- Battery ChemistriesLiFePO4, AGM, GEL, Li-Ion
- Charging StagesBulk, Absorption, Float
- Thermal ProtectionActive Foldback
12V to 48V Step-Up Boost Converter 15A/20A
- Input Range9V - 32V DC
- Regulated Output48.0V DC ±1%
- Peak PowerUp to 960W
- Target SectorsRobotics • Telecom Solar
500+
Standard Power Models Catalog
130+
Countries & OEM Zones Supplied
96.5%
Peak Conversion Thermal Efficiency
5 pcs
Low Evaluation MOQ for R&D Teams
Local Ecosystem Engineering
High Voltage DC-DC Applications Across Cluj-Napoca
Known as the "Silicon Valley of Eastern Europe," Cluj County has evolved from pure software development into advanced embedded systems, automated robotics, automotive Tier-1 manufacturing, and industrial electronics.
Automotive & Commercial Fleet Conversion
Cluj-Napoca hosts extensive automotive Tier-1 engineering centers developing auxiliary control logic and battery management modules. Our high-current 24V-to-12V buck modules and isolated 18-90V DC-DC converters power secondary ECUs, sensors, telematics, and cabin refrigeration without placing unbalanced drain on primary traction packs or 24V starter arrays.
Industrial Automation & Tetarom Industrial Parks
Within Tetarom I, II, and III industrial hubs, automated guided vehicles (AGVs), CNC robotics, and factory control racks operate on 48V or 72V DC distribution buses. Our transformer-isolated modules eliminate high ground potential differentials, protecting delicate microcontroller logic, PLC interfaces, and machine vision cameras from heavy induction surges.
Transylvanian Solar PV & Remote Telecom Microgrids
Remote telecommunication nodes throughout the Apuseni mountain foothills require bulletproof off-grid resilience. When solar arrays experience wide insolation variations (dropping to 10V under cloud cover or peaking at 58V in summer noon), our synchronous buck-boost regulators provide an unwaveringly stabilized 12V, 24V, or 48V output rail without brownouts.
Industry Analysis
High Voltage DC-DC Sourcing Trends in Central Romania
How the shifting geopolitical and regional tech dynamics in Cluj-Napoca are shaping technical requirements for DC-DC power modules and battery charging equipment.
01
Migration from 12V to 48V Architectures
Prompted by EU emissions directives and copper harness weight optimization, Cluj engineering houses are systematically shifting warehouse handling equipment and utility electric vehicles to 48V and 72V DC rails, requiring high-power step-down converters with greater than 95% efficiency.
02
LiFePO4 Chemistry Substitution
Industrial fleets, RV campers, and material handling companies in Cluj are retiring traditional lead-acid traction blocks in favor of Lithium Iron Phosphate (LiFePO4). Sourcing teams prioritize multi-stage CC/CV DC-DC chargers capable of precise 14.6V, 29.2V, and 58.4V absorption profiles.
03
Telemetry & RS485 Communication
Local IoT and embedded software integrators in Cluj are increasingly requesting programmable DC converters with RS485 or CAN-bus communication layers to transmit thermal states, voltage sags, and load currents directly to central IoT predictive maintenance dashboards.
04
Resilient Supply Chains & Sample Agility
Procurement professionals at Tetarom industrial complexes reject exorbitant distributor markups and rigid multi-thousand-piece MOQs. The demand is surging for direct verified factory partnerships offering 5-piece sample validation windows followed by scalable containerized shipments.
Technical Whitepaper Insight
Topology Matching: Buck vs. Boost vs. Buck-Boost vs. Isolated
Field data from our Shenzhen laboratories confirms that over 42% of DC-DC converter field failures encountered by European systems integrators stem from topology mismatching rather than component degradation. When designing power subsystems for industrial hardware in Cluj-Napoca, evaluating minimum input droop against load surges is essential.
A non-isolated buck regulator functions with outstanding efficiency only as long as minimum input voltage consistently stays at least 2.5V above output voltage. If an engine crank drops your 12V bus to 8.8V while powering a mission-critical 12V navigation or telematics module, only a wide-input buck-boost topology preserves output regulation and prevents catastrophic controller resets.
- Galvanic Isolation: Optically and magnetically decoupled windings eliminate heavy ground noise loops common in industrial welding and high-power motor drives.
- Thermal Derating Optimization: Solid-potted enclosures fill all voids with thermally conductive epoxy, accelerating heat dissipation toward external aluminum cooling fins.
- Synchronous Rectification: Replacing low-side diodes with power MOSFETs dramatically reduces conduction dissipation, maintaining up to 96% efficiency.
| Topology | Nominal Input Range | Regulated Outputs | Cluj-Napoca Industrial Use Case | Efficiency Rating |
|---|---|---|---|---|
| Synchronous Buck | 24V, 36V, 48V, 72V, 90V | 5V, 12V, 13.8V, 24V | Stepping down 48V AGV bus to 12V lighting, sensors, and telemetry | 94% - 96.5% |
| Synchronous Boost | 9V - 16V (12V Base) | 24V, 36V, 43.8V, 48V | Boosting 12V service alternator to 36V/48V LiFePO4 battery banks | 92% - 95.8% |
| Galvanic Isolated | 18-36V, 36-75V, 18-90V | 5V, 12V, 24V Regulated | Ground-loop sensitive telecommunications, factory robotics, medical carts | 88% - 92.5% |
| Buck-Boost Stabilizer | 8V - 40V, 10V - 60V Wide | 12V, 13.8V, 24V, 28V | Transylvanian off-grid solar storage with severe voltage sag profiles | 91% - 95.0% |
Enterprise Advantage • Shenzhen Eltrum
Precision Manufacturing Tailored for Romanian Engineering Rigor
Founded in 2015, Shenzhen Eltrum Electronic Co., Ltd. has established itself as an authoritative global manufacturer of high-performance DC-DC step-down, boost, buck-boost, and isolated converters, alongside industrial-grade waterproof LiFePO4 battery chargers. Operating under strict ISO 9001 certified quality management protocols, every unit leaving our production lines complies with CE and RoHS directives.
While local European distribution intermediaries impose punishing markups and extended lead times, Eltrum provides Romanian procurement engineers with direct access to our core R&D team. From custom input voltage ranges (such as wide 18-90V or 10-60V spans) to buyer-label manufacturing and tailored CC/CV charging curves, we ensure your deployment in Cluj-Napoca achieves optimal reliability at true factory-direct economics.
- Low Evaluation Barrier: Standard evaluation samples available starting at just 5 units to support rapid bench prototyping.
- Automated SMT & Potting: 100% full-load burn-in testing and automated vacuum potting for true IP65/IP67 weatherproofing.
- Flexible Commercial Terms: Standard FOB/EXW pricing with secure international T/T, PayPal, and Escrow payment channels.
Procurement Clarity
Frequently Asked Questions: Sourcing in Cluj-Napoca
Direct answers for technical project leads, systems engineers, and purchasing officers in Cluj-Napoca, Turda, Dej, and the broader Transylvanian economic sector.
How do high-voltage DC-DC converters ship to Cluj-Napoca, Romania, and what are delivery timelines?
Sample evaluations (5-20 units) ship directly from our Shenzhen facility via express air couriers (DHL, FedEx, or UPS) with direct delivery to Cluj-Napoca International Airport (CLJ) or your facility doorstep within 5 to 8 business days. For volume OEM production orders, shipments proceed via air freight or consolidated ocean freight terminating at the Port of Constanța or major European freight hubs, reaching Cluj via bonded inland road transit with complete HS Code and CE documentation for seamless customs clearance.
Do Eltrum converters comply with European Union CE and RoHS industrial directives?
Yes. Every DC-DC converter, voltage regulator, and LiFePO4 battery charger series manufactured by Shenzhen Eltrum Electronic Co., Ltd. is engineered to comply strictly with EU Electromagnetic Compatibility (EMC Directive 2014/30/EU), Low Voltage Directive (LVD where applicable), and RoHS (2011/65/EU and amendment 2015/863). Formal Declarations of Conformity, test reports, and factory ISO 9001 certificates are provided upon quotation request for your technical compliance files.
Why do industrial automation engineers in Tetarom prefer isolated DC-DC converters?
In industrial automation environments such as Tetarom I and III, factory power grids frequently suffer from transient voltage spikes, inductive kickback from high-power AC motors, and severe ground potential differentials. Non-isolated converters share a common negative rail between source and load, which can allow ground noise to circulate back into sensitive digital microprocessors, PLC boards, and RS485 communication lines. Eltrum isolated converters provide 1500V+ DC galvanic isolation, breaking these ground loops completely.
Can Eltrum customize charge algorithms for specific LiFePO4 battery configurations?
Absolutely. Standard models cover standard 12.6V, 14.6V, 29.2V, 43.8V, and 58.4V CC/CV charging curves. Through our OEM/ODM design service, our electrical engineering team can tailor specific absorption voltages, float voltages, low-temperature thermal cutoffs, and RS485 communication parameters to match the exact BMS specifications provided by your Cluj engineering team.
What is the minimum order quantity (MOQ) for prototypes and series production?
We recognize that Romanian hardware startups and university engineering teams need to validate specifications before committing capital. Most of our standard buck, boost, and isolated modules carry an accessible MOQ of just 5 units. For customized OEM builds with specialized voltage steps, custom potting shells, or pre-crimped wire looms, custom production runs typically start at 50 to 100 units.
How do your converters withstand harsh winter temperatures in the Transylvanian plateau?
Winter ambient temperatures around Cluj County and the Apuseni perimeter frequently plummet below -15°C. Our outdoor and vehicle-mounted converter models utilize fully vacuum-encapsulated, thermally conductive silicone-epoxy potting rated for operating temperatures from -40°C to +85°C. The solid potting protects internal multilayer PCBs from both sub-zero thermal shock and condensation moisture cycles during rapid engine compartment warm-ups.
Accelerate Your Power Subsystem in Cluj-Napoca
Whether you require standard 24V-to-12V heavy-duty buck modules, high-voltage isolated converters, or an engineered OEM charging system for LiFePO4 packs, our application engineering team delivers rapid technical evaluations.