Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- TopologyBoost DC-DC Charger
- Input Voltage10V – 36V DC Range
- Output Voltage43.8V CC/CV Profile
- EnclosureIP68 Potted Aluminum
Export-Grade Power Systems
Featured Industrial DC Voltage Regulators & Battery Chargers
Engineered by Shenzhen Eltrum Electronic Co., Ltd., each module combines synchronous rectification, IP68 hermetic potting, and advanced thermal conduction to withstand coastal salinity and extreme operating windows.
1500W High Power Buck-Boost DC Stabilizer
- Input Range10V – 60V Continuous
- Outputs12V / 24V / 28V / 48V
- TelemetryRS485 Bus Interface
- Peak Efficiency≥96.5% Synchronous
300W Marine Potted LiFePO4 Regulated Charger
- Input Rating90V – 265V Universal AC
- Output Rails14.6V / 29.2V / 58.4V
- ProtectionAnti-Corrosive Epoxy
- PlugsEU Type C/F Marine Ready
18V–90V Wide Input Isolated DC Regulator 12V 10A
- Galvanic Barrier1500V DC Dielectric
- Input Swing18V – 90V Ultra-Wide
- Output Rail12V Stabilized ±1%
- SafetyReverse-Polarity Cutoff
24V to 12V 100A Heavy-Duty Step-Down Buck
- Continuous Amps100A (1200W Output)
- Nominal Input24V (18V – 35V Window)
- Ripple & Noise≤45mV RMS
- HousingExtruded Aluminum Fin
400W Smart Alternator-to-Battery Charger
- Alternator Input10V – 36V Euro 6 Smart
- Chemistry ProfileLiFePO4, AGM, GEL, LTO
- Charge StagesBulk, Absorption, Float
- Thermal SensingBuilt-in Cutoff >65°C
8V–40V to 13.8V 30A Buck-Boost Stabilizer
- Input Swing8V to 40V Dynamic
- Regulated Rail13.8V Fixed (Telematics)
- Power Density414W Continuous
- Ingress RatingIP68 Full Silicone Seal
72V/60V to 24V 20A E-Mobility Regulator
- Input Handling30V – 90V DC Traction
- Auxiliary Line24V Solid at 20A
- Transient ClampTVS 150V Suppressor
- CertificationCE, RoHS, EN 61000-6-3
Technical Whitepaper & Strategic Sourcing
Engineering DC Voltage Regulation for Faro’s Unique Microclimates and Maritime Infrastructure
Located on the southern coastline of Portugal, the municipality of Faro and the broader Algarve region represent a distinct operational landscape for power electronics. Characterized by high solar irradiance exceeding 3,100 hours per year, a severe maritime saline boundary layer generated by the Atlantic Ocean and the Ria Formosa lagoon, and rapidly modernizing recreational and commercial vehicle infrastructures, Faro demands power conversion systems with elevated mean time between failures (MTBF). For Portuguese procurement teams, marine electrical contractors, and renewable energy integrators, sourcing switched-mode power supplies (SMPS) and DC voltage regulators directly from certified Shenzhen manufacturing facilities provides both substantial cost arbitrage and bespoke architectural flexibility.
Key Engineering Fact: Direct connection of unregulated solar strings or erratic alternator voltage rails to lithium house banks (specifically LiFePO4 chemistries) in coastal applications leads to early BMS cutoffs, extreme thermal throttling, and terminal passivation. Specialized buck-boost and galvanic isolated DC regulators act as strict buffer stages, eliminating common-mode ground currents and ripple-induced degradation.
Topological Classification: Buck, Boost, Buck-Boost, and Galvanic Isolation
Understanding which switching topology matches the application is critical to system longevity. Selecting a standard buck regulator when battery inputs experience heavy voltage drop under cranking conditions results in circuit dropout. Shenzhen Eltrum Electronic Co., Ltd. designs and manufactures four primary topologies configured for industrial resilience:
Buck (Step-Down)
Condition: Vin,min > Vout + Dropout.
Ideal for stepping 24V or 48V down to 12V for auxiliary marine electronics, truck cabins, and telecommunications repeaters with ultra-low thermal dissipation.
Boost (Step-Up)
Condition: Vin,max < Vout.
Raises 12V starter battery rails to 24V, 36V, or 48V for bow thrusters, e-bike battery docks, high-draw bilge pumps, and commercial mobile lighting masts.
Buck-Boost
Condition: Vin floats across Vout.
Maintains a dead-flat 12V, 13.8V, or 24V rail even when lithium battery banks sag under heavy inrush or spike during MPPT absorption cycles.
Galvanic Isolation
Condition: Separate ground planes.
Transformer-isolated conversion breaking ground loops between high-voltage traction batteries and sensitive communications, eliminating electrolysis corrosion on marine hulls.
Engineering Selection Matrix for European System Designers
The following technical selector summarizes standard manufacturing production series calibrated for European low-voltage and extra-low-voltage installations, adhering to CE directives and EN safety standards:
| Topological Series | Nominal Input Range | Regulated Output | Continuous Efficiency | Target Algarve / Faro Application |
|---|---|---|---|---|
| Synchronous Buck | 18V – 36V DC (24V Bus) | 12.0V ±1% (Up to 100A) | 96.2% | Commercial freight transports operating on the A22 (Via do Infante) corridor. |
| Wide Buck-Boost | 8V – 40V DC (Dynamic) | 13.8V DC (Up to 30A) | 94.8% | VHF radio, radar, and navigation bridge feeds in Portimão & Faro Marinas. |
| Power Boost CC/CV | 10V – 36V DC | 43.8V / 58.4V (Lithium) | 95.4% | Direct alternator charging of auxiliary 36V/48V traction banks for golf carts and e-bikes. |
| Opto-Isolated Flyback | 18V – 90V DC Ultra-Wide | 5V / 12V / 24V Industrial | 89.5% – 92.0% | Ground-isolated telemetry sensors in Ria Formosa environmental monitoring stations. |
Regional Deployment Profiles
How Eltrum Regulators Power Critical Sectors in Faro
Engineered to combat thermal spikes up to 45°C ambient summer temperatures and high ambient sea-salt conductivity.
Marina & Catamaran Electrification
Yachts docking at Marina de Faro and Vilamoura require stable DC conversion between shore power charging systems, generator buses, and lithium service banks. Our IP68 vacuum-potted converters provide EN 60068-2-52 salt-fog resistance, ensuring sensitive NMEA 2000 instruments never suffer overvoltage during alternator surge events.
Algarve Off-Grid Solar & Pumping
Agricultural enterprises in the Faro countryside and rural Silves depend heavily on isolated solar irrigation. Fluctuating array voltages from solar insolation dips require robust buck-boost regulators capable of sustaining an unvarying DC bus to drive automated solenoid valves, micro-PLC controllers, and wireless soil moisture telemetry nodes.
Campervan & Eco-Tourism Fleet Mobility
The Algarve is Europe’s primary overlanding hub. Modern touring vans equipped with Euro 6 smart alternators generate intermittent charging voltages down to 11.8V to reduce emissions. Eltrum's 12V-to-12V and 12V-to-24V DC-DC smart chargers actively boost this erratic input into a dedicated CC/CV LiFePO4 absorption voltage without draining starter batteries.
Need Customized Input/Output DC Regulators for Faro Projects?
Whether you require customized CAN/RS485 Modbus control, non-standard rail voltages (such as 19V for marine compute units, or 28V aviation ground supplies), or OEM white-label packaging, our Shenzhen engineering labs assemble and deliver sample batches from just 5 units.
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Strategic Horizon 2025–2030
Localized Power Trends & Sourcing Shifts Across Southern Portugal
Structural transitions towards decarbonization and microgrid resilience in the Algarve are accelerating demand for advanced power conversion equipment.
Mandatory Lead-Acid to LiFePO4 Retrofits
Environmental standards across Portuguese nature reserves (such as Ria Formosa) are disincentivizing traditional vented lead-acid systems. Converting boat hulls and off-grid facilities to LiFePO4 battery banks requires strict switching regulators with tailored thermal cut-offs and multi-stage charging algorithms to avoid cell damage from uncontrolled alternator ripple.
Decentralized IoT & Telecom Micro-Sites
With expansion of 5G micro-cells across high-density tourist centers like Faro Airport and Quinta do Lago, equipment runs on hybrid 48V power banks. Our isolated DC-DC modules insulate transmission radios from electrical transients, electrostatic surges, and line noise generated by adjacent industrial cooling plants.
Smart Port Electrification
Commercial fishing boats and passenger ferries departing Olhão and Faro are adopting auxiliary electric propulsion. Step-down regulators converting 72V–96V traction voltages down to 12V and 24V marine service rails must maintain ultra-low electromagnetic interference (EMI) conforming strictly to EN 55032 and EN 61000 standards.
Manufacturing Authority
Shenzhen Eltrum Electronic Co., Ltd. — Your Direct Factory Partner
Founded in 2015, operating under an audited ISO 9001 quality management framework, we bridge high-volume production with custom engineering agility.
Onsite-Verified Plant
Factory premises in Anle Industrial Zone, Shenzhen, verified by world-leading inspection services. 3,000 m² equipped with automated SMT placement, ultrasonic welding, and multi-stage testing benches.
100% Full-Load Burn-In
Every single voltage regulator undergoes mandatory elevated-temperature burn-in cycles under simulated full loads, eliminating early component failure prior to global export via air or ocean freight.
Full CE & RoHS Certifications
Standard product families comply with EU Electromagnetic Compatibility (EMC) Directive 2014/30/EU and Low Voltage Directive (LVD) 2014/35/EU, facilitating frictionless customs clearance in Portugal.
Low MOQ & OEM Flexibility
Prototypes and custom voltages available with minimum order quantities as low as 5 pieces. Dedicated engineering support assists with custom wire harnesses, waterproof Deutsch connectors, and private labeling.
Frequently Asked Questions
Procurement & Technical Inquiries for Faro Importers
Clear answers covering regulatory compliance, logistics to Portugal, thermal tolerance, and custom power adaptations.
How do Eltrum DC-DC converters withstand the marine salinity of the Algarve coast?
All our marine-designated and waterproof DC-DC buck, boost, and stabilizer units are housed within high-grade extruded aluminum alloy chassis and vacuum-injected with high-thermal-conductivity organic silicone epoxy (IP68 rated). This hermetically seals MOSFETs, magnetic inductors, and control surface-mount devices against salt-laden atmospheric mist, zeroing out electrochemical dendrite growth and galvanic oxidation according to IEC marine standard guidelines.
What are the lead times and shipping routes to Faro, Portugal?
For standard off-the-shelf samples (5 to 50 units), dispatch from our Shenzhen facility occurs within 3–5 working days via express air couriers (DHL, FedEx, UPS) directly to Faro Airport (FAO) or local industrial hubs, with typical transit taking 5 to 7 calendar days. Volume commercial orders are processed under standard FOB Shenzhen, EXW, or DDP terms via ocean freight to the Port of Sines or Lisbon, followed by direct bonded freight transport to Faro.
Can your DC-DC battery chargers properly charge LiFePO4 banks from Euro 6 smart alternators?
Yes. Modern Euro 6 campervans and utility commercial vehicles utilize smart regenerative braking alternators whose output fluctuates wildly between 11.5V and 15.2V. Our intelligent battery-to-battery chargers (e.g., WG-12C800M series) actively condition this erratic input, regulating it into an exact 3-stage Constant Current / Constant Voltage (CC/CV) curve (e.g., 14.6V for 12V LiFePO4 or 29.2V for 24V banks), preventing battery under-charging or vehicle alternator stator burnout.
Do Eltrum power conversion units carry valid European CE and RoHS compliance?
Every export series manufactured by Shenzhen Eltrum Electronic Co., Ltd. is produced in compliance with European CE regulations, meeting EMC Directive standards EN 55032 and EN 55035 for emissions and immunity, alongside RoHS 2.0 hazardous material restrictions. Official Declarations of Conformity (DoC), test reports, and laboratory certificates are supplied with commercial documentation for seamless Portuguese customs clearance.
When is an isolated DC converter mandatory over a non-isolated regulator?
Galvanic isolation is required whenever the negative rail of the load equipment must remain completely decoupled from the chassis or battery ground. In Faro’s marine sector, isolated converters prevent catastrophic stray-current electrolytic hull corrosion on aluminum and steel vessels. Similarly, in telecommunications sites and industrial forklifts, galvanic isolation safeguards microprocessors against ground potential spikes and severe inductive load switching spikes.
What is the standard warranty and after-sales protocol for European buyers?
Eltrum provides a comprehensive 24-month manufacturer warranty on all industrial DC-DC regulators and sealed lithium chargers. In the rare event of field anomalies, our Shenzhen technical engineering staff performs root-cause telemetry evaluation using board diagnostic data. Verified defects within the warranty period are resolved promptly via advance replacement units dispatched directly to your business address.
Accelerate Your Power Conversion Capabilities in Faro
Connect directly with the manufacturing engineers at Shenzhen Eltrum Electronic Co., Ltd. Access technical datasheets, CAD dimensional footprints, full EMC test profiles, and competitive direct-from-factory pricing.
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