ISO 9001 Factory · CE & RoHS Compliant DC-DC Power · OEM / ODM Welcome

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Onboard Battery Charger Factory & Exporters Serving Daejeon

High-Efficiency LiFePO4 & Lithium Charging Modules, Galvanic Isolation Converters, and Custom DC-DC Power Platforms for R&D Clusters and Industrial OEMs Across Daejeon Metropolitan Area.

500+
Standard Power Topologies
ISO 9001
Certified Factory System
130+
Global Export Destinations
5 Pcs
Flexible OEM Prototyping MOQ
Industrial Power Systems

High-Efficiency Onboard Charging & Power Architecture

Engineered to satisfy demanding thermal stability, vibration tolerance, and electromagnetic compatibility requirements. Browse our verified product lines ready for dispatch to research institutes, robotics builders, and commercial vehicle convertors in Daejeon.

Flagship
Smart 36V Lithium Battery Charger DC 12 Volt to DC 43.8 Volt Waterproof Chargers 13A

Smart 36V Lithium Charger 12V to 43.8V 13A

  • TopologyStep-Up CC/CV Booster
  • Nominal InputDC 12V (Wide 10–36V)
  • Output Charging43.8V @ 13A (LiFePO4)
  • Protection ClassIP68 Hermetic Sealed
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Waterproof IP65
600W AC to DC LiFePO4 Waterproof Onboard Charger

600W AC-DC Waterproof LiFePO4 Onboard Charger

  • AC InputUniversal 90–265V AC
  • Output Voltages14.6V / 29.2V / 58.4V
  • Efficiency Factor> 92.5% Active PFC
  • Sealing SpecPotted Die-Cast Alloy
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Dual Battery
400W Waterproof DC-DC Dual Battery Charger

400W DC-DC Battery-to-Battery Charger

  • Input Profile10–36V Alternator Bus
  • Multi-Stage CurveCC / CV / Float Profile
  • Lithium ActivationBMS 0V Wake-Up Ready
  • Housing StructureVibration-Proof Alloy
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High Current
12V 24V 36V 48V 600W Marine and Industrial LiFePO4 Charger

Industrial 600W Multi-Voltage Onboard Unit

  • System Matrix12V / 24V / 36V / 48V
  • Thermal DefenseAuto Derating > 65°C
  • Chemistry ConfigLiFePO4, NMC, Ternary
  • CertificationsCE Safety, RoHS, ISO9001
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CAN / RS485
1500W High Power Dynamic Buck-Boost Stabilizer Module

1500W Buck-Boost Programmable Stabilizer

  • Dynamic WindowDC 10–60V Input Range
  • Regulated Output12V, 24V, 28V, 48V Rails
  • Bus InterfaceRS485 Telemetry Protocol
  • Max Output Power1500W Heavy-Duty
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Galvanic Isolation
Isolated 18-90V to 12V 10A Waterproof DC-DC Converter

Isolated 18–90V to 12V 10A Precision Converter

  • Isolation Barrier1500V DC Galvanic
  • Wide Traction Range18–90V (Golf/Forklift/AGV)
  • Continuous Rating12V Regulated @ 10A
  • EMC SuppressionLow Ripple < 50mVp-p
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Fleet Duty
24V to 12V High Current 85A 100A Buck Converter

24V to 12V 100A Heavy Vehicle Step-Down

  • Input PotentialDC 18–32V Commercial Bus
  • High Output Draw12V DC Up to 100A
  • Heat DissipationExtruded Thermal Fin Body
  • Protection StackOVP, OCP, OTP, Short Circuit
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Traction Auxiliary
72V to 24V 20A Traction Pack Down Converter

30–90V to 24V 20A Autonomous AGV Down Converter

  • High Voltage In36V, 48V, 60V, 72V Nominal
  • Stable Auxiliary24V @ 20A Continuous
  • Conversion RateUp to 96% Peak Efficiency
  • Transient GuardSurge Absorber Integrated
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System Integration

Tailored Engineering Scenarios Across Daejeon's Tech Clusters

Known as the scientific and technological heartland of South Korea, Daejeon hosts premier innovation ecosystems including Daedeok Innopolis, KAIST, KIER, and the Dunsan-Yuseong industrial corridor. Our battery charging and power conversion equipment integrates directly into key localized application domains.

Autonomous Mobile Robots (AMRs) & AGVs

Daejeon’s smart warehousing and defense robotics enterprises demand compact, shock-resistant onboard battery chargers. Our modules offer high power density with intelligent CC/CV staging for 24V and 48V LiFePO4 packs, enabling autonomous docking and fast cycle restoration without localized thermal throttling.

Daedeok Innopolis Robotics Platforms IP67 Shockproof

KAIST & Government Lab Test Benches

Leading academic laboratories and national research institutes in Yuseong require programmable charging algorithms and isolated auxiliary DC-DC conversion to isolate prototype battery chemistries from power line distortion. We supply units with galvanic protection exceeding 1500V to guarantee noise-free data acquisition.

R&D Testbeds Galvanic Isolation RS485 Telemetry

Specialty EV & Municipal Service Fleets

From electric utility service trucks operating along Daejeon Cheonan-Expressway links to park maintenance e-carts in Expo Science Park, our chargers endure harsh weather, wet-wash conditions, and constant road vibration thanks to complete silicone potting and die-cast aluminum thermal shells.

Fleet Electrification Dual Battery Setup Wide Input Alternator
Market Intelligence

Macro Dynamics Driving Electrification in Daejeon

As South Korea accelerates its National Green New Deal and investments in specialized defense-robotics convergence zones, power electronics procurement standards in Daejeon are pivoting rapidly toward high-efficiency, intelligent communication architectures.

Migration from Silicon to Wide Bandgap Topologies

Engineering teams in Daejeon require smaller footprint-to-watt ratios. We implement advanced synchronous rectification and planar magnetics that boost conversion efficiency up to 96%, dramatically reducing thermal dissipation inside sealed onboard vehicle compartments and robotic enclosures.

Standardization of Real-Time BMS Telemetry

Modern localized deployments mandate live telemetry interchange between the battery management system and the charger. Our charging architectures support RS485 and digital protocol handshakes, allowing dynamic current throttle based on individual cell temperature and degradation thresholds.

Stringent Demands for Ruggedized IP67/IP68 Enclosures

Given the seasonal temperature variations and humidity swings in the central Korean peninsula, unpotted chargers suffer from condensation-induced leakage. Our vacuum-potted silicone elastomer design blocks moisture ingress and suppresses mechanical stress from persistent roadway shocks.

Factory Competence

Why Daejeon Engineers & Importers Partner with Shenzhen Eltrum

Founded in 2015, Shenzhen Eltrum Electronic Co., Ltd. operates an advanced manufacturing facility verified onsite by premier third-party inspection authorities. We merge high-volume automated production lines with boutique ODM responsiveness.

ISO 9001 Certified Quality

Every charging series undergoes comprehensive automated optical inspection (AOI), 100% full-load electrical burn-in testing, and thermal imaging to prevent early life failure before ocean or air shipping to South Korea.

500+ Standard Power Platforms

From isolated DC-DC buck, boost, and buck-boost modules to high-power AC-DC waterproof LiFePO4 chargers, our deep catalog dramatically reduces project NRE charges and accelerates speed-to-market for equipment builders.

Rapid ODM & Custom Voltage

Whether you require a proprietary 14.6V, 29.2V, 43.8V, or 58.4V absorption curve, custom Korean connector cabling, or private-label laser etching, our in-house engineering team delivers pre-series samples starting from just 5 units.

Global Export Experience

Trusted across 130+ countries including extensive ongoing partnerships with industrial distributors and automotive component makers in South Korea, Japan, Europe, and North America. Full compliance with CE, RoHS, and export customs clearance.

Procurement Guidance

Frequently Asked Questions by Daejeon Sourcing Managers

Comprehensive technical and commercial answers addressing regulatory conformity, logistics turnaround times, custom algorithm programming, and warranty terms for purchases serving the South Korean market.

What is the typical shipping lead time and customs process from Shenzhen to Daejeon?
We dispatch via express air freight (Incheon International Airport) or direct container sea shipping from Shenzhen / Hong Kong ports to Incheon or Busan Port. Samples and urgent pilot batches reach Daejeon facilities in 3 to 5 business days after inspection. Our export documentation includes accurate HS codes, Certificate of Origin (under RCEP / China-Korea FTA for preferential tariffs), commercial invoices, and CE/RoHS compliance declarations.
Can Eltrum adapt charging profiles to custom Korean BMS parameters?
Yes. Many South Korean lithium battery fabricators utilize proprietary protection thresholds. We can customize the constant current (CC), constant voltage (CV), and cut-off float stages within firmware or hardware dividers. Additionally, our DC-DC models feature an integrated 0V battery activation function to awaken hibernating BMS protection circuits safely.
What minimum order quantity (MOQ) applies to prototypes and volume batches?
To support laboratory validation at KAIST and fast-cycle prototyping for industrial start-ups in Daedeok, standard catalogue models are available with an MOQ of just 5 units. For customized cabling, proprietary housing finishes, or specialized RS485 communication protocols, prototype batches start between 10 to 50 units, scaling smoothly to multi-thousand container lots.
How do Eltrum onboard chargers handle high vibration and thermal strain?
Our onboard series are manufactured with vacuum-injected high-thermal-conductivity silicone elastomer encapsulation inside rigid aluminum alloy casings. This construction eliminates air gaps, provides hermetic resistance against water and salt-spray corrosion (up to IP68 rating), and ensures robust tolerance against severe continuous mechanical vibration encountered in agricultural machinery and autonomous mobile robotics.
What payment currencies and incoterms are supported for South Korean companies?
We transact via Wire Transfer (T/T), PayPal, and secure Escrow. We accommodate USD, EUR, and CNY settlement. Standard shipment terms offered are EXW Shenzhen, FOB Shenzhen/Hong Kong, or CIF/DAP directly to your Daejeon industrial estate or laboratory facility.
What warranty protection and post-sales technical support do you provide?
All Eltrum industrial-grade battery chargers and DC-DC converters include an ironclad factory warranty against manufacturing defects. Our Shenzhen hardware and software engineering teams provide direct video and technical schematic support, analyzing power waveforms, thermal margins, and field logs to resolve application challenges efficiently.

Power Your Next OEM Innovation in Daejeon

Consult with our power engineers today for sample testing, personalized voltage curves, or volume quotation. Discover why global engineering innovators choose Eltrum for ruggedized onboard conversion.

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