ISO 9001 Certified OEM & ODM Specialist

DC Battery Charger Manufacturer & Exporters in Barcelona

Delivering high-efficiency switch-mode power supplies, intelligent DC charging modules, and ruggedized power transformers engineered for European industrial automation, EV mobility, and maritime ports.

Industrial Power Portfolio

High-Efficiency SMPS & DC Charging Power Units

Precision-regulated AC/DC switching power supplies and high-power rectification modules optimized for continuous battery float charging, industrial control panels, and automation architectures in the Barcelona & Catalonia industrial corridor.

1500W High Power 220V AC to DC Switching Power Supply S-1500-48
Heavy Duty DC Unit

220V AC to DC S-1500-48 1500W 48V 32A High Efficiency SMPS CE Led Power Supply

48V DC Output 32A Current CE / RoHS Active Fan Cooling
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Multi-Voltage Rail 120W AC DC Switching Power Supply S-120-36
Enclosed SMPS

CE RoHS 120W 12V/15V/18V/24V/36V/48V 3.3A S-120-36 AC DC Switching Power Supply

36V Nominal 3.3A Rating Convection Cooled Overload Cut-off
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Automation & LED S-150-48 SMPS 48V 150W Transformer Power Supply
Industrial Transformer

S-150-48 SMPS 48V 150W Transformer Power Supply for LED Driver & Controls

48V DC Precision 150W Constant Low Ripple Noise EMI Class B
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12V High Current S-145-12 145W 12V Industrial Switching Power Supply
S Series Standard

Hot Sale S-145-12 145W 12V Industrial Switching Power Supply for Lighting & Tech

12V DC Output 12A Capacity Compact Chassis High Thermal Margin
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Micro Footprint S-15-15 15W 15V 1A AC to DC Single Output SMPS
Auxiliary Power

S-15-15 15W 15V 1A AC to DC Single Output SMPS CE RoHS FCC Industrial Power

15V DC Stabilized 1A Load FCC / CE Approved Ultra-Slim Profile
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1200W Workhorse S-1200-48 1200W 48V 25A SMPS Power Supply
Heavy Industrial Unit

S-1200-48 1200W 48V 25A High Efficiency SMPS CE 220V AC to DC Power Supply

48V Battery Charger 25A Constant Smart Temp Sensor Short Circuit Guard
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High Current 62.5A S-1500-24 1500W 24V 62.5A Switching Power Supply
Telecom & AGV Power

S-1500-24 1500W 24V 62.5A High Efficiency SMPS CE 220V AC to DC Power Supply

24V System Rail 62.5A Ultra Amperage Dual Ball Bearing Fan High Surge Tolerance
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Precision CCTV & SMPS 145W AC DC Switching Power Supply S-145-36
Security & Instrumentation

CCTV High Quality 145W 12V/15V/18V/24V/36V/48V 4A SMPS S-145-36 Power Unit

Wide DC Options 4A Continuous Surge Immune Flame-Retardant Terminal
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19+
Years Power Manufacturing
3000W
Max Single Unit Capacity
10,000m²
Modern Production Facility
4.8 / 5
Global Verified Buyer Rating
Catalonian Industry Integration

Engineering Power Infrastructure for Barcelona's Critical Sectors

From the automated cargo handling terminals of Port de Barcelona to the smart logistics rings along the Zona Franca and automotive assembly corridors in Martorell, our power hardware delivers uncompromised duty cycles.

Port Logistics & AGV Fleet Power

The Port of Barcelona demands round-the-clock electrification. Our S-1500 and S-1200 high-power DC units provide ultra-stable 24V and 48V fast-charging stages for Automated Guided Vehicles (AGVs), electric reach stackers, and automated container shuttle platforms operating in high-salinity coastal conditions.

Key Fit: S-1500-24 (62.5A) · Conformal Coating · Surge Protection

Industrial Robotics & Martorell Automotive Hub

Supplying Tier-1 and Tier-2 automotive component suppliers in the Baix Llobregat manufacturing cluster. Our high-efficiency SMPS solutions provide auxiliary rail DC power to PLC control cabinets, robotic welding cells, and sensor-dense end-of-arm tooling where voltage dips cannot be tolerated.

Key Fit: MDR/NDR DIN Rail · S-150-48 · Low Ripple & Noise

Urban Light Electric Vehicle (LEV) Infrastructure

Barcelona leads Southern Europe in micromobility and electric scooter-sharing ecosystems. Our DC battery charging modules are designed with precise multi-stage CC/CV charging curves tailored for LiFePO4 and NMC battery racks installed across municipal swap kiosks and commercial delivery fleets.

Key Fit: S-1200-48 · Smart Thermal Throttling · CE/RoHS Approved

Renewable Microgrids & PV Storage in Catalonia

Distributed solar installations throughout Vallès Occidental and regional industrial estates require robust DC/DC conversion and battery float buffers. Harlon transformers and converter stations withstand wide input variations while ensuring pure DC power for continuous energy storage monitoring systems.

Key Fit: DC-DC Custom Converters · High Isolation Hi-Pot Rating

Urban CCTV, Edge AI & Metropolitan Infrastructure

Continuous municipal surveillance, smart parking guidance in the 22@ technology district, and metro station lighting control. The enclosed S-145 and S-120 models offer low-profile installations within compact street cabinets subject to high summer ambient temperatures.

Key Fit: S-145-12 · S-120-36 · Operating Temp up to 60°C Derated

Biomedical Equipment & Analytical Lab Stations

Barcelona’s prominent biopharma and healthcare cluster requires exceptionally low-noise switching supplies. Harlon’s filtered SMPS designs feature tight electromagnetic shielding and low leakage characteristics suitable for diagnosis benches and laboratory test beds.

Key Fit: S-15-15 · Low EM Emissions · Class I Grounding Integrity
Market & Technological Trajectory

Key Trends Shaping DC Power Architecture in Barcelona (2025–2030)

Navigating the convergence of European decarbonization mandates, the EU Ecodesign Directive, and localized industrial digital transformations.

Eco-Design & High Energy Efficiency (ErP)

Under tightening Spanish and EU regulations, standby losses and conversion efficiencies above 90% are now baseline requisites. Switching topologies are shifting toward synchronous rectification and GaN/SiC semiconductors to minimize dissipated heat within enclosed industrial cabinets, reducing factory cooling energy expenditure.

Transition from Lead-Acid to Multi-Chemistry DC Charging

Catalonia's warehousing and forklift fleets are rapidly sunsetting heavy lead-acid cells in favor of LiFePO4 batteries. This demands chargers equipped with programmable CC/CV boundaries, accurate over-voltage cutoffs, and thermal derating protocols to safeguard battery lifespan without risk of thermal runaway.

Rigorous EMC & Coastal Environmental Robustness

Equipment deployed around Mediterranean maritime hubs is subject to accelerated airborne particulate and saline humidity degradation. B2B procurement demands strict compliance with EN 55032 Class B electromagnetic compatibility standards, complemented by high-grade conformal PCB lacquering.

Engineering & Manufacturing Excellence

Why Spanish & European OEMs Trust Zhejiang Harlon Electronic

Founded in 2007, Zhejiang Harlon Electronic Co., Ltd. has spent nearly two decades mastering switch-mode power topologies, high-power DC rectifiers, and industrial charging transformers. Spanning a modern 10,000 m² production facility with over 10 fully automated production lines, our manufacturing credentials are on-site verified by SGS Group.

"We do not merely assemble catalog components. Our R&D leadership brings 30 years of independent power supply circuit engineering, providing European buyers with customized thermal architectures, specialized output profiles, and verified CE/RoHS compliance."
18 Years Direct Exporting to EU & Global Ports
100% Full Loaded High-Temp Burn-in Aging
Dedicated SMT & Automated Wave Soldering
Buyer-Label OEM Custom Packaging & Branding
Automated SMPS assembly lines at Harlon Electronic High-Volume Assembly Floor
Precision SMT placement lines for power supplies High-Speed SMT Placement
Power supply loaded aging and burn-in chamber Loaded Burn-in Testing
EMI test receiver in Harlon power laboratory In-House EMC/EMI Lab
Quality Assurance Architecture

Standardized 9-Step Production & Failure-Screening Flow

Every single DC power unit dispatched to Barcelona, Madrid, and across Europe undergoes identical, traceable quality protocols.

Raw materials quality inspection

1. IQC Component Inspection

100% batch validation of capacitors, MOSFETs, transformers, and core diodes against electrical tolerances.

SMT automatic surface mount line

2. High-Precision SMT Mount

Automated pick-and-place systems ensuring micron-level solder paste application and reflow consistency.

Manual and automatic through-hole inserting

3. Through-Hole Insertion

High-power magnetics, heavy inductors, and terminal blocks secured with standardized mechanical jigs.

Dual wave soldering process

4. Dual-Wave Soldering

Controlled thermal profiles eliminate cold joints and ensure ruggedized mechanical bonding for heavy vibration environments.

Output voltage fine calibration

5. Output Voltage Tuning

Potentiometer calibration ensuring narrow output tolerances (±1%) across all nominal voltage ratings.

Mechanical housing and enclosure assembly

6. Enclosure & Isolation

Installation of aluminum heat sinks, thermal pads, isolation barriers, and anti-corrosive outer cages.

Loaded burn-in testing of power units

7. 100% Loaded Burn-In

Elevated temperature full-load operating runs screen out latent infant mortality defects prior to packaging.

Final electrical parameters and hi-pot testing

8. Hi-Pot & Safety Audit

Rigorous dielectric withstand testing (3.0KV AC primary-to-secondary) and ground resistance verifications.

Export grade protective packaging

9. Export Buffer Packaging

Moisture barrier sealing, anti-static shielding, and reinforced seaworthy corrugated cartons for long transit.

Procurement Intelligence

Frequently Asked Questions by Industrial Importers in Barcelona

Key technical, logistic, and regulatory answers for electrical distributors, system integrators, and OEM engineers in Spain.

How do Harlon power supplies comply with Spanish & European Low Voltage (LVD) and EMC Directives?
All Harlon switching power supplies exported to Barcelona and the EU market are certified to meet EN 62368-1 (Information technology and audio/video equipment safety), EN 55032 Class B (Conducted and Radiated Emissions), and EN 61000-3-2 harmonic current standards. Full CE Declarations of Conformity (DoC), RoHS reports, and test certificates are provided directly with pre-shipment documentation.
Can your 1200W–1500W SMPS units be utilized as direct DC battery chargers for lithium battery packs?
Yes. Our S-1200 and S-1500 families (in 24V, 36V, and 48V outputs) can be factory-configured with dedicated Constant Current / Constant Voltage (CC/CV) transitions. In lithium charging setups, the module functions as a true current-limited source until nominal float threshold is attained, preventing the over-current shutdown typical of conventional generic power supplies.
What are the lead times and shipping routes for sea freight to the Port of Barcelona?
Standard OEM production runs are fulfilled within 15–22 business days following sample approval. For ocean cargo, shipments departing Ningbo or Shanghai Port reach the Port of Barcelona (Terminal de Catalunya or Hutchison Ports BEST) in approximately 26–32 days transit time via the Suez or Mediterranean trunk lines. Air express (DHL/FedEx) is available for urgent prototyping within 5–7 business days.
Do you support customized input voltages for industrial microgrids and fluctuating factory lines?
Absolutely. In addition to standard 220V–240VAC single-phase inputs prevalent across Spain, we offer ultra-wide universal AC ranges (85VAC–264VAC) as well as DC-input tolerance (120VDC–370VDC) suitable for DC-bus solar installations and emergency backup battery banks common in Catalonia’s telecom infrastructures.
What options exist for private labeling, OEM casing colors, and specialized terminal blocks?
With 18 years of OEM manufacturing, we provide complete buyer-label services. We can laser-etch or silk-screen your company branding, barcode formats, and custom part numbers onto the metal chassis. We also customize screw terminal block types (finger-safe covered or spring-clamp connections) and apply anti-moisture conformal coating upon request.
What payment and trade terms are supported for Spanish corporate buyers?
We work under Incoterms 2020 including FOB (Ningbo/Shanghai), CFR, CIF (Barcelona), and DDU (Delivered Duty Unpaid direct to your warehouse). Payments are supported via T/T bank transfers and confirmed Irrevocable Letters of Credit (L/C at sight) in EUR (€) or USD ($).

Request Technical Data Sheets & Wholesale Quotations

Partner directly with an ISO 9001 certified Chinese manufacturer. Speak with our application engineers to tailor voltage outputs, current profiles, and protective enclosures for your Barcelona industrial operations.

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