Smart 36V 13A Waterproof LiFePO4 Charger (12V to 43.8V)
- Input Voltage: DC 10.5V – 16.0V
- Charge Cut-off: 43.8V CC/CV (LiFePO4)
- Rated Current: 13A Continuous
- Ingress Index: IP67 Waterproof Potted
Direct Factory Supply
High-Efficiency DC-DC Charging & Power Regulation Systems
Field-proven topologies built with synchronous rectification, galvanic isolation options, and IP67/IP68 potted enclosures to meet Italian industrial OEM specifications.
400W Multi-Stage DC-DC Charger (10–36V Wide Input)
- Input Voltage: DC 10V – 36V Wide
- Selectable Output: 14.6V / 29.2V / 43.8V
- Charging Logic: 3-Stage Microprocessor
- Protections: Overheat, Reverse, UVLO
1500W Heavy-Duty Buck-Boost Converter with RS485
- Input Range: DC 10V – 60V Wide
- Output Voltage: 12V / 24V / 28V / 48V Reg.
- Power Capacity: 1500W Continuous
- Serial Protocol: RS485 Modbus Telemetry
10–44V to 12V 50A/60A Automatic Voltage Stabilizer
- Input Window: DC 10V – 44V
- Regulated Bus: 12.0V DC (±1% Stability)
- Max Current: 60A Peak (720W Output)
- Efficiency: Up to 96% Synchronous
Isolated 18–90V to 12V 10A Industrial DC-DC Converter
- Input Range: DC 18V – 90V Continuous
- Galvanic Barrier: 1500V DC Optical/Magnetic
- Output Current: 12V @ 10A (120W)
- Noise / Ripple: <50mVp-p High Purity
24V to 12V 85A/100A Commercial Vehicle Buck Regulator
- Input Voltage: DC 18V – 35V Truck Bus
- Output Power: 1200W (12V @ 100A)
- Cooling Concept: Extruded Aluminum Fin
- Protection Standards: ISO 7637-2 Spike Clamp
12V to 48V High-Current Boost Converter (Up to 20A)
- Input Voltage: DC 10.5V – 15.5V Battery
- Boost Output: 48.0V Regulated Bus
- Power Output: 960W Peak Capability
- Thermal Range: -40°C to +85°C Operating
600W IP65 Waterproof AC-DC Smart LiFePO4 Fleet Charger
- Input Grid: AC 90V – 264V Universal
- Target Chemistry: 14.6V / 29.2V / 58.4V LiFePO4
- Power Factor: PFC > 0.98 Active
- Certification: CE LVD, EMC, RoHS
Technical Whitepaper
Precision DC-DC Conversion Architecture in the Heart of Emilia-Romagna
The Metropolitan City of Bologna stands at the geographic and technological epicenter of Italy's industrial powerhouse. Internationally recognized as the core of Europe's Packaging Valley and a foundational pillar of the Motor Valley, Bologna’s engineering ecosystem demands uncompromising standards of power reliability, electrical isolation, and energy efficiency. From automated blister packaging lines in Casalecchio di Reno to Autonomous Mobile Robots (AMRs) operating within the sprawling freight terminals of the Interporto di Bologna, industrial systems operate in demanding electrical environments characterized by transient voltage spikes, severe thermal cycling, and stringent electromagnetic compatibility (EMC) regulations.
Shenzhen Eltrum Electronic Co., Ltd., leveraging over a decade of dedicated research, development, and high-volume manufacturing, acts as a primary technical manufacturing partner and direct supplier of specialized DC-DC battery chargers, buck-boost stabilizers, and isolated power modules serving equipment designers and system integrators throughout Bologna, Modena, Reggio Emilia, and the broader Emilia-Romagna district.
Why Direct-From-Factory DC-DC Sourcing Matters to Bologna Manufacturers
Historically, European automation and machine builders relied on third-party domestic distributors who repackaged generic power components with prohibitive markups and rigid off-the-shelf specifications. However, the rapid electrification of industrial handling equipment, coupled with the systemic migration from legacy VRLA/gel lead-acid batteries to high-density Lithium Iron Phosphate (LiFePO4) and Lithium Nickel Manganese Cobalt (NMC) chemistries, has exposed the limitations of traditional hardware.
Modern battery chemistries exhibit steep charge acceptance curves and unforgiving tolerance windows. A direct alternator connection or an unregulated traction bus in a dual-battery commercial truck or electric automated guided vehicle (AGV) inevitably causes premature battery degradation, battery management system (BMS) latch-offs, or alternator burnout due to uncontrolled continuous current draw. Eltrum’s microprocessor-driven battery-to-battery chargers provide continuous, algorithmic Constant Current / Constant Voltage (CC/CV) multi-stage curves with automated float switching, eliminating overcharging risks and guaranteeing maximum cycle lifespan under heavy industrial duty cycles.
Regional Integration
Localized Application Scenarios Across Bologna’s Key Industries
Engineered to resolve real-world electrical conversion and battery management challenges faced by mechanical, automotive, and automation engineers across Emilia-Romagna.
Packaging Valley Machinery & Vision Systems
Bologna produces over 60% of the world’s automated packaging machinery. High-speed thermoforming, cartoning, and labeling machines rely on precision 24V DC auxiliary buses to power optical sensors, programmable logic controllers (PLCs), pneumatic solenoid valves, and industrial cameras. Our buck-boost stabilizers isolate these delicate sub-assemblies from inductive kickback caused by high-power servomotors and heating elements.
Interporto di Bologna AGVs & Autonomous Shuttles
As one of Europe's largest multimodal logistics centers, Interporto di Bologna utilizes automated warehouse shuttles and laser-guided AGVs running 24/7 on 48V or 72V LiFePO4 packs. Our compact step-down converters reliably step 48V/72V down to clean 12V and 24V power rails, running industrial LiDAR, Wi-Fi 6 communication mesh nodes, safety contactors, and telemetry modules without ground interference.
Motor Valley High-Performance EV & Paddock Support
Located in immediate proximity to the world’s elite performance automotive marques, Bologna hosts advanced prototype workshops and motorsport development centers. Our isolated DC-DC converters and high-amperage battery chargers support vehicle track-side auxiliary electronics, chassis dyno telemetry setups, and rapid in-vehicle dual-battery buffer charging during endurance testing runs.
Precision Agricultural Vehicles in Emilia Countryside
The agricultural basin surrounding Bologna uses specialized electric harvesting tractors, automated pruning bots, and GPS-guided sprayers. These off-highway vehicles endure severe vibrational shock, wet mud, and chemical fertilizer spray. Eltrum’s IP68 potted buck-boost chargers maintain continuous operation from 10V to 60V, unaffected by alternator load dumps or moisture intrusion.
Adriatic Commercial & Recreational Marine Corridors
Bologna’s specialized electrical integrators frequently supply yacht refitters, commercial tugs, and electric passenger vessels along the nearby Romagna coastline and Ravenna port. Our fully potted marine chargers and isolated converters prevent electrolytic corrosion, eliminate galvanic ground currents, and manage lithium service banks charged from high-output smart alternators.
Urban Last-Mile Electric Vans & Cold-Chain Transits
Strict low-emission urban zones across Bologna’s historic center have accelerated the rollout of electric delivery vans and refrigerated light commercial vehicles. Our DC-DC battery chargers draw power from the main vehicle traction pack to continuously charge auxiliary lithium batteries powering sub-zero refrigeration compressors, ensuring uninterrupted temperature logs during parcel deliveries.
Industrial Transition 4.0
Macro Trends Transforming Bologna’s Industrial Power Architecture
The rapid evolution of European manufacturing standards under Italy’s Piano Transizione 4.0 and the EU Green Deal is driving structural changes in power supply architectures across Emilia-Romagna. Engineering procurement departments in Bologna are prioritizing three decisive technical parameters when qualifying overseas power component factories:
Critical Trend 1: Deep Galvanic Isolation to Eliminate Common-Mode Noise
Modern industrial packaging equipment combines high-voltage variable frequency drives (VFDs) with ultra-sensitive microcontrollers and optical sensors. Non-isolated buck converters allow high-frequency switching noise and common-mode ground currents to propagate through chassis grounds, resulting in intermittent sensor ghosting and packet drops on industrial fieldbuses. Eltrum’s isolated DC-DC converters feature transformer-coupled isolation barriers tested to 1500V DC, entirely separating input vehicle battery grounds from logic/control grounds.
Critical Trend 2: Telemetry Integration via RS485 Modbus and CAN 2.0B
Smart factories in Bologna require real-time visibility into power module health. Traditional "black-box" analog regulators are being phased out in favor of intelligent converters. Eltrum’s high-power WG-12C800M and 1500W buck-boost series provide native RS485 communication interfaces, enabling machine controllers to dynamically monitor input voltage sag, output current delivery, internal heatsink temperature, and trigger automated alerts before thermal shutdown occurs.
Critical Trend 3: Environmental Hardening Against Industrial Atmospheric Contaminants
In food packaging, pharmaceutical processing, and outdoor logistics, equipment faces aggressive sanitation wash-downs, airborne flour dust, humidity, and chemical solvents. Standard vented power supplies suffer premature capacitor failure and corrosion. Eltrum utilizes vacuum-degassed epoxy and silicone polyurethane potting compounds within anodized die-cast aluminum enclosures, delivering true IP67/IP68 ingress ratings and MIL-STD-810G vibration resistance.
Engineering Topology Comparison Matrix for Machine Designers
Selecting the optimal power architecture is vital to maximize system efficiency, minimize bill-of-materials (BOM) cost, and prevent field warranty claims. The following reference matrix outlines the operational parameters of Eltrum’s standard topologies:
| Conversion Topology | Typical Input Window | Regulated Output | Peak Efficiency | Ground Isolation | Optimal Bologna Industry Use Case |
|---|---|---|---|---|---|
| Buck (Step-Down) | 18–35V / 30–90V DC | 5V, 12V, 13.8V, 24V | 95% – 97% | Non-Isolated (Common Ground) | Stepping down 24V truck batteries or 48V AGV traction packs to power auxiliary 12V lighting, horns, and GPS sensors. |
| Boost (Step-Up) | 10.5–16V / 18–32V DC | 24V, 36V, 48V, 56V | 93% – 95% | Non-Isolated (Common Ground) | Stepping up standard 12V engine starter systems to 24V or 48V rails for high-power linear actuators and 48V auxiliary pumps. |
| Buck-Boost Stabilizer | 8–40V / 10–60V DC | 12V, 13.8V, 24V, 28V | 92% – 95% | Non-Isolated (Synchronous 4-Switch) | Maintaining a constant 12.0V/24.0V bus on commercial vehicles during heavy engine cranking voltage drops (sag down to 8.5V). |
| Galvanic Isolated | 18–36V / 36–75V / 18–90V | 5V, 12V, 24V Regulated | 88% – 91% | Opto/Magnetic (1500V DC Barrier) | Eliminating ground loops in sensitive PLC, CANbus, and industrial sensor networks within complex automated packaging machinery. |
Shenzhen Manufacturing Facility
Why Tier-1 European OEMs Rely on Shenzhen Eltrum Electronic
Combining precision Chinese manufacturing velocity with rigorous international engineering compliance to serve discerning purchasing managers in Italy.
ISO 9001:2015 Quality System
Every single power converter and charger leaving our Shenzhen plant undergoes automated SMT inspection, 100% full-load thermal burn-in testing under elevated ambient temperatures, and multi-point automated test equipment (ATE) verification for ripple, regulation, and overcurrent trip thresholds.
CE, RoHS & Italian EMC Compliance
Our power solutions comply with European Directives including 2014/30/EU (EMC Directive) and 2014/35/EU (LVD Directive). Products feature integrated EMI filtering stages designed to pass EN 55032 Class B radiated emissions and EN 61000-4 immunity tests, avoiding interference with European telecom and machine networks.
OEM / ODM Custom Engineering
Need non-standard voltages such as 19.5V, 28V, or 54.6V? We develop bespoke charging algorithms, customized IP68 enclosure form-factors, private buyer-label laser marking, custom connector pigtails (Anderson, Deutsch, Molex), and tailored RS485 communication protocols for Bologna OEMs within 3 to 4 weeks.
Rapid Prototyping MOQ from 5 Units
We respect the iterative R&D cycles of Italian design studios. Unlike massive component conglomerates demanding 1,000-unit minimum order quantities for custom samples, standard and modified Eltrum units are available with sample MOQs starting from just 5 pieces, accelerating your benchtop and in-chassis validation.
Robust Synchronous Rectification
By substituting traditional Schottky diodes with ultra-low RDS(on) MOSFETs driven by high-speed digital controllers, Eltrum converters minimize internal resistive power dissipation. This drives conversion efficiencies up to 96%+, reducing internal cabinet heat buildup in sealed industrial electrical enclosures.
Comprehensive Circuit Protection Suite
All industrial converters feature autonomous recovery circuits defending against input reverse polarity, output overvoltage, continuous short circuit (hiccup mode), input undervoltage lockout (UVLO), and multi-stage thermal throttle back to ensure your field installations run maintenance-free.
B2B Procurement FAQ
Frequently Asked Questions by Italian Purchasing & Engineering Teams
Clear, direct technical and commercial answers regarding lead times, customs procedures, compliance verification, and electrical customization for buyers in Bologna and Italy.
How does Eltrum manage freight, import tariffs, and delivery into Bologna and Northern Italy?
We provide flexible Incoterms tailored to your purchasing structure, including standard FOB Shenzhen/Hong Kong, CIF Genoa/La Spezia for ocean container volume, and express DDP (Delivered Duty Paid) air freight directly to your facility in Bologna or surrounding industrial zones. Under DDP terms, all customs clearance formalities, Italian import VAT, and EU tariff duties are managed transparently by our freight partners, requiring no administrative overhead from your logistics staff. Air freight samples typically arrive within 4 to 7 business days.
Can Eltrum DC-DC chargers handle Euro 6 "Smart Alternators" in Italian commercial vehicles?
Yes. Modern Euro 6 commercial utility vans (such as Iveco Daily, Fiat Ducato, and Mercedes Sprinter) utilize ECU-controlled smart alternators that lower output voltage to 12.2V or lower during cruising to conserve fuel, and spike up to 15.0V during regenerative braking. A conventional split-charge relay fails completely in this scenario. Eltrum’s buck-boost DC-DC battery chargers actively monitor the primary ignition signal, boost low alternator voltages, clamp transient spikes, and supply an uninterrupted, strictly regulated 14.6V or 29.2V CC/CV lithium profile to house batteries.
Are Eltrum products fully certified under European CE and RoHS Directives?
Every converter and battery charger model exported to the European Union complies with CE marking standards, encompassing both the Low Voltage Directive (LVD 2014/35/EU) and Electromagnetic Compatibility Directive (EMC 2014/30/EU), as well as RoHS hazardous substance limitations (2011/65/EU and amendment 2015/863). Declarations of Conformity (DoC), accredited lab test reports, and component REACH compliance documentation are provided directly to your compliance and engineering quality assurance departments upon sample request.
What is the advantage of an isolated DC-DC converter over a non-isolated converter in industrial automation?
Non-isolated converters share a common direct path between input negative (ground) and output negative. While highly efficient for simple vehicle accessories, using non-isolated converters in industrial machinery or telecom nodes can introduce ground loop currents, conducted noise, and severe safety risks if a high-voltage traction pack short-circuits to chassis. Eltrum’s isolated converters integrate an internal high-frequency planar or toroidal transformer that provides a true 1500V DC galvanic barrier, eliminating ground loops and safeguarding sensitive logic microcontrollers.
Can charging curves be tailored to specific proprietary battery management systems (BMS)?
Yes. While our standard smart chargers are pre-calibrated for standard 4S (14.6V), 8S (29.2V), and 16S (58.4V) LiFePO4 cells, our engineering department regularly modifies microcontroller firmware to deliver custom multi-stage absorption times, float thresholds, low-temperature charge cut-off currents, and pre-charge conditioning phases to harmonize with your proprietary BMS requirements. We also offer RS485 communication firmware customized to your machine's telemetry protocols.
What are the minimum order quantities (MOQ) and production lead times for volume production?
To assist R&D prototyping and pilot production runs for Bologna automation firms, standard catalog models have an accessible MOQ of just 5 units. For volume OEM production runs (typically 100 to 5,000+ units), standard lead times range from 18 to 25 calendar days. For custom mechanical designs or specialized winding configurations, initial tooling and pilot sample delivery is typically completed within 3 to 4 weeks following 3D CAD and electrical schematic sign-off.
How do Eltrum converters withstand severe shock and mechanical vibration in heavy industrial environments?
Our converters are engineered to pass rigorous vibration and mechanical shock criteria (consistent with ISO 16750-3 for commercial road vehicles and IEC 60068-2-6 for industrial equipment). Internal components, surface-mount devices (SMD), and heavy inductors are completely encapsulated in vacuum-injected thermal silicone potting compounds within a robust die-cast aluminum chassis. This eliminates component mechanical fatigue, absorbs continuous harmonic vibration from diesel engines and automated punch presses, and optimizes conduct heat transfer to the exterior chassis.
Can multiple DC-DC chargers or buck converters be paralleled for higher amperage requirements?
Yes. Multiple identical units from our high-power buck and DC-DC charger lines can be configured in parallel operation to increase total output amperage (e.g., paralleling two 12V 100A buck units to deliver 200A continuous to large DC auxiliary loads). For critical parallel operations, our engineering team can incorporate integrated active current-sharing (droop share) circuitry and external sync pins to ensure balanced thermal dissipation across all power stages.