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

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ISO 9001 Certified OEM/ODM Engineering

High Voltage Power Supply Factories & Factory for Bandung

Precision Isolated DC-DC Converters, High-Power Step-Down Systems, and Industrial LiFePO4 Energy Charging Units Built to Accelerate West Java's Smart Manufacturing Corridor.

Enterprise Sourcing Lineup

Bandung Technical Procurement Catalog: 8 Strategic Solutions

Targeted power supplies, galvanically isolated modules, and CC/CV battery chargers specifically optimized for Bandung’s high-altitude industrial machinery, textile automation clusters, and emerging electric mobility networks.

EV Mobility
Smart 36V Lithium Battery Charger DC 12 Volt to DC 43.8 Volt Waterproof Charger

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

  • TopologyBoost DC-DC Charger
  • Nominal In12V DC Battery
  • Output43.8V @ 13A CC/CV
  • EnclosureIP67 Fully Potted
Specs & Drawing →
Industrial Fleet
600W Waterproof AC-DC LiFePO4 Battery Charger

600W AC-DC Waterproof LiFePO4 Battery Charger

  • AC Mains90–265V Universal
  • Output Range14.6V to 58.4V
  • Efficiency>93.5% Full Load
  • ProtectionOVP, OCP, OTP, Reverse
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Galvanic Safety
Isolated DC-DC Buck Power Converter 18-75V to 24V

Isolated DC-DC Converter 18–75V to 24V 5A 120W

  • Isolation1500V DC Galvanic
  • Input RailWide 18–75V Band
  • Regulated Out24V DC Fixed (±1%)
  • TargetTelecom & Heavy AGVs
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Ultra High-Power
1500W High Power Buck-Boost Converter with RS485 Communication

1500W High-Power Buck-Boost DC Stabilizer (RS485)

  • Input Window10–60V Ultra-Wide
  • Voltage Out12V / 24V / 28V / 48V
  • Bus ProtocolRS485 MODBUS RTU
  • Thermal MgmtExtruded Aluminum Fin
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High Amperage
24V to 12V 100A DC-DC Step Down Converter Module

Heavy Industrial 24V to 12V 85A/100A Step-Down Buck

  • Continuous Cur.100A Stable Out
  • Input Nominal24V (Range 18–35V)
  • Sync RectifierActive MOS Switching
  • ApplicationMining, Buses, Dynos
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Traction Step-Down
30-90V to 24V 20A DC-DC Buck Step Down Converter

High Voltage Traction 30–90V to 24V 20A Step-Down

  • Input HandlingUp to 90V High Surge
  • Output Bus24V @ 20A Continuous
  • CertsCE, RoHS Certified
  • ApplicationForklifts, AGVs, 72V E-Trike
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Dual Battery
12V DC-DC Waterproof Dual Battery Charger 400W

400W In-Vehicle B2B DC-DC Charger (10–36V In)

  • Chemistry SelectLiFePO4, Gel, AGM
  • Smart Alt. Compat.Euro 5/6 & Asian Specs
  • Multi-StageBulk, Absorb, Float
  • ProtectionEngine Start Lockout
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Step-Up Rail
DC 12V Step Up to 48V Boost Converter Module

12V to 48V 20A Industrial Step-Up Boost Regulator

  • Power Rating960W Peak Capability
  • Switch Efficiency94% Synchronous
  • SealingIP68 Submersible
  • Industrial UseSolar Pump, 48V Aux
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500+

Standard Power Topologies

130+

Global Export Territories

95.8%

Peak Conversion Efficiency

5 Pcs

Engineering Sample MOQ

Local Environment Architecture

Bandung Industrial Application Scenarios: Power Challenges & Solutions

Bandung and the broader West Java metropolitan area (Greater Bandung, Majalaya, Cimahi, and Padalarang) operate under unique ambient conditions: an average altitude between 700 to 1,000 meters above sea level, intense relative humidity (>80%), and frequent electrical instability across transmission feeders. Deploying high voltage power supply modules and DC-DC stabilizers in this topography requires strict derating and specialized engineering adaptations:


1. Modernized Textile & Spinning Automation: Traditional automated spinning, weaving, and wet-processing machines in Majalaya suffer from continuous common-mode harmonic spikes and line sag. Our isolated DC-DC converters (18–75V to 24V) break hazardous ground loops between high-interference AC motor inverters and sensitive programmable logic controllers (PLCs).


2. High-Altitude Atmospheric Derating: Bandung’s reduced atmospheric pressure lowers dielectric breakdown resistance in air-cooled high-voltage transformers. Eltrum factory configurations feature vacuum-encapsulated epoxy potting (IP67/IP68) to completely eliminate partial corona discharge and high-humidity track bridging on dense PCBs.

Shenzhen Eltrum Electronics ISO 9001 certified manufacturing plant and labs
Macro-Economic Evolution

West Java Power Supply Sourcing Trends: 2025–2030

Bandung's economic matrix is pivoting from labor-intensive textile dyeing to automated robotics, renewable microgrids, and electric mobility hub manufacturing under Indonesia's "Making Indonesia 4.0" master plan.

E-Mobility & Battery Swapping

Bandung’s steep volcanic topography places severe strain on two-wheeler battery packs. The transition toward swappable 60V/72V LiFePO4 modules demands 30–90V wide-input buck converters to stabilize auxiliary 12V lighting, telematics GPS, and motor control switches reliably without premature cell drainage.

Decentralized Rooftop Solar & BESS

With PLN industrial tariffs shifting, manufacturing facilities across Cimahi are investing heavily in Commercial & Industrial (C&I) solar storage. Buck-boost stabilizers with wide input windows (10–60V) ensure that irregular solar battery discharge curves maintain steady, surge-free DC buses for mission-critical IT infrastructure.

Intelligent RS485 Telemetry

Bandung system integrators no longer accept 'dumb' power modules. Modern OEM equipment demands onboard RS485 MODBUS communication, enabling industrial engineers to monitor input/output voltages, current draw, internal heatsink thermal rise, and fault warnings directly from localized SCADA systems.

Enterprise Strength

Direct Factory OEM/ODM Competence vs. Trading Intermediaries

Established in 2015, Shenzhen Eltrum Electronic Co., Ltd. operates an ISO 9001 certified plant engineered specifically to serve global OEM/ODM contracts with extreme agility. For engineering heads and import managers in Bandung, sourcing directly from our factory floor offers uncompromised security:


  • ✓ Total Galvanic Topology Mastery: Decades of combined high-frequency magnetic design experience, ensuring zero EMI crosstalk with localized wireless telemetry or sensitive sensor loops.
  • ✓ 100% Thermal Burn-In & Load Verification: Every single production batch undergoes extended full-load burn-in cycles inside elevated ambient chambers before shipping to ASEAN ports.
  • ✓ Flexible Prototyping (Low Sample MOQ): We support engineering validation trials in Indonesia with sample MOQs starting as low as 5 units, backed by comprehensive CAD drawings and step models.
Automated testing and QA inspection benches at Shenzhen Eltrum facility
Procurement Clarity

Frequently Asked Questions by Bandung Engineers & Buyers

Concrete answers to local regulatory compliance, import logistics into West Java, and mission-critical electrical parameter selection.

How do Eltrum high voltage and DC-DC power supplies clear Indonesian customs (SNI / SDPPI / CE)?
Eltrum power converters, chargers, and isolated modules are manufactured in full compliance with European CE standards (EN 55032/EN 55035 for EMC, and EN 62368-1 for electrical safety) and RoHS restrictions. When importing into Tanjung Priok port (Jakarta) or via Husein Sastranegara air cargo for forwarding to Bandung, industrial components designed for integration into larger machinery typically do not require mandatory consumer-grade SNI, provided they enter under OEM subassembly HS codes (e.g., HS 8504.40). Full CE test reports, certificates of conformity, and factory material declarations are supplied directly with your shipping documentation.
What altitude derating factors should be calculated for installations in Greater Bandung?
At altitudes between 700m and 1,000m (Bandung plateau average), air density is reduced by approximately 8% to 11%, leading to lower convective cooling efficiency and reduced dielectric clearance limits in standard open-frame power supplies. For non-potted industrial gear, our engineers recommend derating maximum continuous wattage by roughly 5% to 8%, or selecting our fully encapsulated IP65/IP67 waterproof models. Our potted modules use thermal conductive silicone elastomer that transfers heat directly to the exterior aluminum heat spreader, operating reliably up to 85°C internal temperature regardless of altitude.
Can Eltrum customize charging voltage curves for localized Indonesian e-bike battery brands?
Yes. We regularly supply custom-tailored charging algorithms (constant current / constant voltage profiles) programmed precisely for 16S (58.4V), 20S (73.0V), or 24S (87.6V) LiFePO4 and LiNiMnCoO2 (NMC) chemistries. We can also integrate CAN bus or RS485 communication protocols allowing the charger to handshake dynamically with your locally assembled Battery Management Systems (BMS).
What are the typical lead times and logistics routes from your Shenzhen factory to Bandung?
Sample evaluation units (5–10 pcs) ship via DHL, FedEx, or air express within 5 to 7 business days directly to Bandung. Commercial production orders (100–5,000 pcs) have a standard factory production lead time of 15 to 22 business days. Maritime freight departs directly from Shenzhen (Yantian/Shekou) to Jakarta (Tanjung Priok), taking approximately 7 to 10 days at sea, followed by rapid bonded overland transit to West Java industrial zones.
What payment terms and transaction protections are available for West Java corporate buyers?
We accept direct Telegraphic Transfer (T/T), PayPal for rapid sampling, and Escrow / Trade Assurance in USD or CNY. We routinely operate on FOB Shenzhen or EXW factory terms, and our logistics department can coordinate with your nominated freight forwarder or assign a door-to-door (DDP) logistics agent experienced in clearing Indonesian import hurdles.

Ready to Engineer Your Bandung Power Supply Deployment?

Connect immediately with our Shenzhen technical factory team for comprehensive datasheets, custom voltage matching, mechanical STEP files, or wholesale volume quotes.

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