Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- Input Voltage: 10–16V DC (12V Nominal)
- Output Voltage: 43.8V CC/CV (for 36V LiFePO4)
- Charge Current: 13A Max
- Ingress Protection: IP68 Full Epoxy Vacuum Potted
Featured Product Catalog
High-Efficiency Vehicle DC-DC Converters & Chargers
Direct manufacturer supply from Shenzhen Eltrum Electronic Co., Ltd. Standard models engineered for harsh vehicular transients, thermal extremes, and custom charging profiles.
600W Universal AC-DC LiFePO4 Multi-Voltage Charger
- Input Voltage: 90–265V AC Mains 50/60Hz
- Output Options: 14.6V / 29.2V / 43.8V / 58.4V
- Efficiency: ≥ 93.5% Peak Synchronous
- Enclosure: Extruded Aluminum Heat-Sink Case
400W Multi-Stage DC-DC LiFePO4 In-Vehicle Charger
- Input Window: 10–36V DC Alternator / Starter
- Regulated Profile: 14.6V / 29.2V Programmable
- Smart Ignition: Euro 6 D+ Intelligent Alternator Line
- Cooling: Solid Potted Conduction Cooled
1500W Buck-Boost Converter with RS485 Telemetry
- Input Voltage: 10–60V DC Wide Operational
- Output Adjustment: 12V / 24V / 28V / 48V Fixed/Adj
- Continuous Power: 1500W (Up to 100A current)
- Communication: Modbus RTU / RS485 Interface
Isolated 18–90V to 12V 10A Industrial Vehicle Module
- Input Voltage: 18–90V DC (24V/48V/72V/80V Systems)
- Galvanic Isolation: 1500V DC Dielectric Breakdown
- Output Current: 10A Continuous (120W Max)
- Protection: Over-Temp, Reverse-Polarity, Short
24V to 12V 100A High-Current Step-Down Buck Regulator
- Input Voltage: 18–35V DC Heavy Truck Rail
- Regulated Output: 12.0V or 13.8V Float Clean Bus
- Continuous Load: 100A (1200W Peak Delivery)
- Compliance: CE, RoHS, E-Mark Transient Tested
48V to 24V 40A 1000W Synchronous Buck Converter
- Input Voltage: 38–60V DC Traction Pack Rail
- Output Voltage: 24V Stable Precision Regulated
- Conversion Rate: ≥ 96% at Full Rated Load
- Mounting: Vibration-Proof Flange Base
12V to 48V 20A 960W Step-Up DC-DC Boost Converter
- Input Voltage: 10–18V DC Low-Voltage Battery
- Output Voltage: 48V Clean Bus (Motor/Inverter Drive)
- Output Current: 20A Sustained (960W Total)
- Topology: Interleaved Multiphase Boost
Technical Whitepaper & Strategic Sourcing
Next-Generation Switched-Mode Power Architectures for Waterford's Electrification Landscape
In modern mobile electrification, the direct-current power conversion module is no longer a passive component; it represents the operational core of systemic vehicle safety, battery lifecycle longevity, and electromagnetic equilibrium. As regional manufacturers, commercial fleet operators, and industrial transport upfitters throughout Waterford, Ireland navigate the multi-tier transition toward hybridized powertrains, smart auxiliary electrification, and ruggedized off-highway automation, sourcing reliable switched-mode power supplies (SMPS) has become a primary engineering imperative.
As an established high-capacity Chinese exporter, Shenzhen Eltrum Electronic Co., Ltd. bridges the strategic gap between high-volume, cost-effective Asian manufacturing precision and stringent European functional safety requirements. Supplying direct-to-enterprise (B2B) partners, system integrators, and industrial electrical distributors across Waterford City, the IDA Industrial Estate, Belview Port, and the wider South-East Region, our catalog of over 500 validated DC-DC converter models delivers comprehensive voltage matching across 12V, 24V, 36V, 48V, 72V, 80V, and 96V DC power architectures.
Engineering Rule of Thumb: Auxiliary transients inside automotive electrical architectures can exceed 5× nominal DC bus levels during alternator load dump (ISO 7637-2 / ISO 16750-2 Pulse 5a/5b). Integrating converters without high-voltage clamped TVS arrays and synchronous freewheeling MOSFET controls leads to premature gate oxide breakdown. Eltrum SMPS modules incorporate multi-stage surge suppression rated up to 100V breakdown thresholds.
1. Switched-Mode Topologies: Buck, Boost, 4-Switch Buck-Boost, and Galvanic Isolation
Specifying the correct power conversion topology requires detailed analysis of input source impedance, potential voltage dips under heavy cranking loads, and ground-loop susceptibilities. In typical commercial vehicle integrations throughout County Waterford, system engineers encounter four primary topological paradigms:
Synchronous Step-Down (Buck) Conversion: Used predominantly when stepping down 24V commercial chassis voltages (from dual lead-acid or heavy LiFePO4 starter banks) to stabilized 12V or 13.8V rails for communications, telematics, lighting, and passenger convenience systems. Eltrum's synchronous rectification replaces traditional Schottky diodes with ultra-low \(R_{\text{DS(on)}}\) power MOSFETs, mitigating thermal dissipation by up to 60% and enabling sustained operational efficiencies reaching 96.5%.
Multiphase Step-Up (Boost) Conversion: Essential for legacy 12V vehicular systems that require dedicated 24V, 36V, or 48V sub-buses to drive high-torque hydraulic power packs, winches, heavy commercial refrigeration blowers, or 48V steering actuators. Our boost converters feature interleaved multiphase switching controllers that divide the ripple current across multiple parallel inductors, effectively minimizing output capacitance stress and reducing conducted EMI.
Four-Switch Non-Inverting Buck-Boost: The gold standard for wide-input voltage stabilization. In real-world vehicular service, an nominal 12V alternator/battery system fluctuates between 9.0V during cold-weather diesel cranking to 14.8V under active charging. Standard buck or boost topologies fail to regulate when the input intersects the desired 12.0V or 13.8V output. Eltrum’s proprietary dynamic buck-boost topologies seamlessly transition between buck, buck-boost, and boost operating modes via microsecond-level pulse-width modulation (PWM) control, delivering an absolute stable rail regardless of battery swing.
Galvanically Isolated Topologies (Flyback / Forward / Push-Pull): When input ground and load ground must remain completely disconnected—such as in industrial electric forklifts running 80V traction packs, telecom power nodes, or vessels docking at marine shore power—isolated DC-DC converters eliminate catastrophic earth-return fault paths. By utilizing custom high-frequency planar transformers rated to 1500V DC breakdown, Eltrum isolated modules break parasitic ground loops, isolating sensitive digital processing cards and microcontrollers from motor back-EMF spikes.
2. Ingress Protection (IP68) and Advanced Thermal Potting Mechanics
Waterford’s coastal geography and agrarian climate subject vehicle electronics to relentless atmospheric hazards: dense maritime salt fog, fine agricultural soil particulates, continuous road vibrations along regional N25 and M9 corridors, and direct high-pressure wash-down procedures. Air-cooled or fan-assisted converters inevitably fail in these environments due to corrosion, moisture ingress, and fan bearing seizure.
To address these conditions, Eltrum implements a solid-state vacuum epoxy encapsulation protocol across our waterproof converter series. Uncured, high-thermal-conductivity structural epoxy resin is injected under a controlled vacuum chamber to eliminate micro-voids, bubbles, and air pockets around surface-mount devices (SMD), magnetic chokes, and ceramic bypass capacitors.
The resulting monolith boasts true IP68 ingress protection, impervious to prolonged submersion and chemical exposure. Furthermore, the potting matrix achieves a thermal conductivity rating exceeding 1.2 W/(m·K), conducting internal heat uniformly to the finned 6063-T5 aluminum alloy housing. This enables passive conduction and natural convection cooling up to 85°C ambient operating temperatures without dynamic airflow requirements.
Regional Integration
Localized Application Scenarios in Waterford & Southern Ireland
Engineered to resolve real-world electrical conversion challenges across Ireland’s primary industrial sectors.
Commercial Fleet & Transit
Stepping down 24V chassis power across municipal buses, delivery vans, and heavy haulage fleets operating throughout Waterford City and the N25 corridor. Powers advanced telematics, Euro 6 tachographs, GPS navigation, and passenger USB interfaces with zero battery cross-drain.
Marine & Port Infrastructure
Servicing commercial fishing trawlers, tugs, and pleasure crafts docked at Dunmore East and the Port of Waterford (Belview). Salt-spray-proof IP68 DC-to-DC multi-stage chargers replenish isolated 12V/24V LiFePO4 house banks from main engine starter circuits without alternator overload.
Agri-Machinery & Off-Highway
Installed across tractors, combines, and autonomous harvesters throughout County Waterford’s agricultural heartland. Converts erratic 24V diesel alternator voltages into precision 12V rails driving ISOBUS monitors, precision GNSS guidance systems, and solenoid boom controllers.
Warehouse AGVs & Robotics
Providing galvanic isolation for robotic handling platforms, automated guided vehicles (AGVs), and 48V–80V electric warehouse forklifts operating inside pharmaceutical logistics and cold storage distribution facilities across the South-East region of Ireland.
Market Horizon 2025–2030
Electrification Trends in Ireland: Regulatory Drivers & Engineering Demand
Ireland’s stringent Climate Action Plan, reinforced by European Union Fit for 55 and REPowerEU mandates, is accelerating the transition toward light and heavy commercial vehicle fleet decarbonization. In urban hubs such as Waterford, Dublin, and Cork, internal combustion engine (ICE) bans in urban clean air zones are forcing transport operators to retrofit delivery vehicles, refrigeration units, and utility platforms with localized high-density battery energy storage systems (BESS).
This shift drives several critical technological transitions within the switched-mode power converter space:
1. Proliferation of 48V Micro-Hybrid and Auxiliary Busses: Heavy duty vehicles are rapidly abandoning traditional 12V-only systems. Moving to 48V architecture significantly reduces harness wiring mass and ohmic resistive losses (\(I^2R\)). However, critical legacy subsystems—such as steer-by-wire controls, auxiliary lighting, vehicle safety cameras, and cab displays—continue to require 12V and 24V inputs. This requires high-power, high-current buck converters capable of delivering continuous currents from 50A up to 100A with minimal thermal build-up inside engine enclosures.
2. Smart In-Vehicle Battery-to-Battery (B2B) Charging: Modern Euro 6 and Euro 6e commercial chassis utilize "smart" variable-voltage alternators that intentionally drop rail voltages down to 12.2V to conserve fuel, or spike above 15V during regenerative braking. Connecting auxiliary LiFePO4 or NMC lithium house batteries directly across this erratic bus results in severe undercharging or catastrophic over-current spikes. Modern Irish commercial coachbuilders and overland fabricators rely on intelligent Eltrum DC-DC chargers equipped with microcontrollers executing 3-stage or 4-stage CC/CV profiles, ensuring auxiliary battery health without tripping the vehicle’s ECU.
3. Rigorous EMI/EMC Suppression Under UNECE Regulation 10 (E-Mark): The modern connected chassis is dense with sensitive RF signals, including LTE/5G telematics modems, GNSS satellite antennas, radar sensors, and digital radios. Low-cost, non-compliant DC-DC converters frequently emit intense high-frequency electromagnetic noise from high \(di/dt\) switching nodes, severely degrading RF telemetry and causing phantom faults on the vehicle’s Controller Area Network (CAN-bus). Eltrum SMPS modules incorporate symmetrical Pi-filter configurations, shielded toroidal inductors, and aluminum Faraday cage enclosures to ensure compliance with CISPR 25 Class 3/4 limits.
Engineering Selection Guide
Comparative Topology & Performance Specification Matrix
Use the technical reference below to select the optimal power conversion family for your vehicle chassis requirements.
| Topological Family | Typical Input Window | Standard Regulated Outputs | Galvanic Isolation | Peak Efficiency | Primary Waterford Integration Target |
|---|---|---|---|---|---|
| Synchronous Buck (Step-Down) | 18–35V / 30–60V / 30–90V | 12.0V, 13.8V, 24.0V | Non-Isolated | 95% – 96.8% | Commercial 24V trucks, buses, trailers, 48V golf carts, e-mobility |
| Interleaved Boost (Step-Up) | 10–18V / 18–32V | 24.0V, 36.0V, 48.0V | Non-Isolated | 93% – 95.5% | 12V vehicle chassis powering 24V/48V hydraulic pumps, winches, motors |
| 4-Switch Buck-Boost | 8–40V / 10–60V Wide | 12.0V, 13.8V, 19.0V, 28.0V | Non-Isolated | 92% – 94.5% | In-vehicle voltage stabilization, dual-battery buffers, mobile computers |
| Galvanically Isolated | 18–36V / 36–75V / 18–90V | 5.0V, 12.0V, 24.0V | 1500V DC Break | 88% – 92% | Forklifts, marine vessels, railway electronics, telecom cabinets, AGVs |
| Intelligent B2B Charger | 8–36V / 10–44V Smart Alt | 12.6V, 14.6V, 29.2V, 43.8V | Multi-Topology | 93% – 95% | Recreational vehicles (RVs), emergency vehicles, marine house battery banks |
Manufacturer Competence
Why Waterford Procurement Teams Partner Direct with Shenzhen Eltrum
Direct Tier-1 factory capabilities engineered for OEM systems integrators, commercial upfitters, and distributors.
Shenzhen Manufacturing Center
Established in 2015, operating over 3,000 square meters of production space in Shenzhen, China. Certified under strict ISO 9001 quality management procedures with full traceability on all semiconductors.
CE, RoHS & Global Compliance
Every converter, stabilizer, and lithium battery charger is manufactured to comply strictly with European CE directives, RoHS lead-free mandates, and industrial vibration and shock standards.
OEM, ODM & Custom Engineering
Full engineering customization from initial schematic capture to custom extrusion housings. Tailored solutions including non-standard input/output voltages, bespoke charging curves, RS485/CAN-bus integration, and buyer labeling.
Prototyping Starting at 5 Units
Eliminating prohibitive volume barriers. Standard series sampling starts at a low 5-piece minimum order quantity (MOQ), allowing Irish electrical engineering teams to conduct rig validation before volume rollouts.
Vacuum Potting Ingress Reliability
Complete encapsulation with high-grade thermally conductive epoxy. Designed for extreme durability, achieving IP68 waterproof ratings, total dust isolation, and high tolerance to road vibration.
Rapid Global Logistics into Ireland
Experienced air express and sea container export pathways into Waterford Belview Port, Dublin Port, and Cork. Flexible trade terms including FOB Shenzhen, CIF, or direct door-to-door delivery.
Procurement Intelligence
Frequently Asked Questions for Waterford & Irish Engineers
Clarifying technical specs, international trade logistics, and regulatory protocols for imported power modules.
What is the typical shipping lead time from Shenzhen to Waterford, Ireland?
For sample orders and rapid prototype runs (5 to 50 units), dispatched via air courier (DHL/FedEx/UPS), customs clearance and door-to-door transit into Waterford typically takes 4 to 7 business days. For volume OEM production (500+ units), containerized sea freight dispatched to the Port of Waterford (Belview) or Dublin Port typically averages 28 to 35 calendar days.
How do Eltrum converters handle modern Euro 6 smart alternators?
Euro 6/6d/6e chassis feature ECU-controlled variable-output alternators that dynamically drop to 12.2V during acceleration and surge above 15.0V during coast-down. Standard diodes or straight relays fail to charge auxiliary banks in this state. Our DC-DC battery chargers utilize buck-boost regulation coupled with an ignition-detect (D+ / IGN) control terminal to deliver consistent multi-stage CC/CV charging irrespective of alternator fluctuations.
When must we choose a galvanically isolated converter over a common-ground buck?
Choose galvanic isolation when the vehicle system has differing ground references, such as 48V–80V electric forklift battery packs where the chassis must remain unbonded, positive-ground communications installations, or marine vessels where common DC returns induce aggressive hull galvanic corrosion. For standard steel-chassis trucks sharing common negative earth, non-isolated buck converters offer higher efficiency and smaller packaging footprints.
What import documentation is provided for Irish customs and revenue clearance?
Shipments to Irish commercial entities are accompanied by full commercial invoices, packing lists with itemized net/gross weights, and Certificate of Origin documents under TARIC commodity code 8504.40 (Static Converters). Full CE declarations of conformity (LVD 2014/35/EU and EMC 2014/30/EU) and RoHS test verification reports are provided for regulatory verification.
Can the output charging profile be custom-tuned for specific LiFePO4 or LTO cells?
Yes. As an OEM manufacturer, Eltrum provides customized firmware configurations for absorption, float, and cutoff thresholds. Whether your battery system requires 14.6V for standard LiFePO4, 16.8V for 4S NMC lithium, or bespoke current limits to protect specialized battery management systems (BMS), our engineering team configures this at factory assembly. Selected high-end models also feature RS485 or CAN-bus controls for dynamic real-time adjustment.
What thermal derating factor should be applied when mounting inside an enclosed vehicle bay?
Our converters operate at 100% rated capacity up to an ambient temperature of 45°C. If mounting within tightly enclosed engine compartments or unventilated battery utility boxes in agricultural machinery, we recommend applying a 20% to 30% thermal safety derating. Alternatively, bolt the unit's flat aluminum baseplate directly against the vehicle's structural steel or aluminum chassis to serve as a supplemental heat sink.
Accelerate Your Vehicle Electrification Project with Eltrum Power Modules
Connect directly with Shenzhen Eltrum Electronic Co., Ltd.’s engineering team. Whether you need standard 5-unit evaluation samples delivered to Waterford, custom voltage modification, or large-scale OEM supply contracts, our power engineers are ready to assist.