Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- TopologyStep-Up CC/CV Charger
- Input VoltageDC 12V (9V–16V Swing)
- Output Profile43.8V @ 13A (570W)
- ProtectionIP67 Waterproof Sealed
500+
Industrial Power Models
130+
Countries Shipped (Nordic Focused)
ISO9001
Audited Factory · CE / RoHS
5 Pcs
Evaluation MOQ for Malmö Engineers
OEM Specification Lineup
High-Efficiency Step Up Regulators & Converters
Pre-tested, IP65/IP68 potted switch-mode step-up (boost), buck-boost, and intelligent smart lithium charger architectures designed to endure cold Nordic operations.
12V to 24V 50A High-Current Step Up Boost Converter
- TopologySynchronous Boost
- Input RangeDC 10V–20V
- Continuous Rating24V @ 50A (1200W Peak)
- EfficiencyUp to 96% @ Nominal
DC 12V to 48V Heavy-Duty Step-Up Boost Converter 20A
- TopologyHigh-Ratio Step Up
- Input RangeDC 10V–15V
- Output Bus48V Fixed (±1% Stability)
- EnclosureIP68 Die-Cast Aluminum
24V to 48V 10A/15A Step-Up DC Voltage Regulator
- TopologyNon-Isolated Industrial Boost
- Input VoltageDC 18V–32V Truck System
- Continuous Output48V @ 15A (720W Max)
- Thermal ProtectionAuto-Recovery @ 85°C
1500W Wide-Input Buck-Boost Stabilizer with RS485
- TopologyBi-Directional Buck-Boost
- Dynamic InputDC 10V–60V Wide Rail
- Configurable Output12V, 24V, 28V, 48V (Up to 1500W)
- Digital CommsRS485 Modbus RTU
Isolated 18–90V Wide-Input Industrial DC-DC Converter
- Isolation1500V DC Galvanic Barrier
- Ultra-Wide Input18V–90V DC Traction Range
- Regulated Output12V / 24V @ 10A Stable
- EMI ComplianceEN 61000-6-2/3 Industrial
8–40V to 13.8V 30A Marine Voltage Stabilizer
- TopologyAutomatic Step-Up / Step-Down
- Input Margin8V–40V (Withstands Cold Crank)
- Target Output13.8V Float Precision (30A)
- Sealing StandardResin Potted IP68 Waterproof
400W DC-DC Step-Up LiFePO4 Dual-Battery Charger
- Input Rail10V–36V (Smart Alternator Safe)
- Output Chemistry14.6V / 29.2V / 43.8V LiFePO4
- Power Transfer400W CC/CV Precision
- CoolingConvection Thermal Dissipation
Malmö Localized Applications
Power Conversion Engineering for South Sweden’s Clean-Tech Hub
From the zero-emission port installations of Malmö Hamn to the microgrid initiatives of Västra Hamnen, our step up DC-DC converters ensure ultra-reliable voltage conversion across strict operating conditions.
Öresund Maritime & Commercial Vessels
Navigating the brackish Baltic waters around Malmö requires high-reliability power. Marine engineers deploy our synchronous boost regulators to step up 12V/24V service banks to 48V for bow thrusters, radar communications, and electric hybrid auxiliary drives.
- IP68 hermetic epoxy potting prevents saline corrosion
- Galvanic isolation prevents hull electrolytic erosion
- Zero acoustic buzz for cabin acoustic compliance
Electric Commercial Fleets & AGVs
Malmö’s industrial distribution corridors in Fosie and Norra Hamnen are rapidly electrifying. Our converters step up low-voltage starter batteries or auxiliary DC links to 24V/48V for hydraulic lifts, pneumatic compressors, and automated warehouse robots (AGVs).
- Survives severe sub-zero engine cranking drops down to 8V
- Integrated RS485 bus allows automated BMS battery monitoring
- High shock and vibration damping (MIL-STD-202G verified)
Nordic Solar PV & Microgrid Battery Banks
Decentralized energy storage in the Skåne region frequently couples variable solar generation with LiFePO4 chemistry. Our step-up regulators stabilize low-voltage DC arrays into standard 24V or 48V distribution buses with negligible thermal dissipation.
- Wide input flexibility (9V–40V) maximizes daylight harvesting
- Efficiency exceeding 95% preserves critical cold-weather energy
- Multi-stage CC/CV curve protection preserves cell lifecycle
Engineering Insights
Regulatory Shifts & Cold-Climate Demands in Southern Sweden
The Malmö clean-tech industrial corridor operates under some of the most rigorous environmental and electrical mandates in the European Union. Between Sweden's aggressive carbon-neutral transport roadmap and the City of Malmö's Miljöprogram, industrial OEMs must specify power conversion hardware that meets both stringent efficiency benchmarks and harsh environmental resilience.
Conventional step-up power supplies frequently suffer from cold-induced startup stalls when ambient winter temperatures dip below -20°C in southern Scandinavia. Electrolytic fluid viscosity spikes, causing high equivalent series resistance (ESR) and catastrophic voltage overshoot. Shenzhen Eltrum Electronic Co., Ltd. solves this through military-grade low-ESR solid tantalum and ceramic capacitors, coupled with synchronous rectification switching ICs capable of immediate cold-boot down to -40°C.
Furthermore, European EMC Directive 2014/30/EU compliance is non-negotiable for Swedish equipment builders. Our boost regulators feature multi-stage common-mode and differential-mode input filters, ensuring low conducted and radiated emissions that eliminate radio frequency interference with onboard AIS systems, GPS antennas, and sensitive automated PLC controllers.
Technical Topology Matrix: Selecting the Right Converter for Malmö Deployments
Match your input voltage window, ground architecture, and thermal profile to the appropriate conversion topology.
| Conversion Architecture | Input Range | Output Capability | Galvanic Isolation | Primary Malmö Applications |
|---|---|---|---|---|
| Synchronous Boost | 10V – 30V DC | 24V, 36V, 48V (Up to 50A) | Non-Isolated | Electric mobile hydraulics, commercial vehicle sub-systems, auxiliary DC pumps |
| Wide Buck-Boost Stabilizer | 8V – 40V / 10V – 60V | 12V, 13.8V, 24V, 28V (Up to 1500W) | Non-Isolated | Marine vessel house banks, automotive cold-crank ride-through, unstable solar rails |
| Galvanic Isolated Boost/Buck | 18V – 90V Ultra-Wide | 12V, 24V, 48V (Up to 240W) | 1500V DC Isolated | Port material handling, telecommunications masts, positive-ground Swedish rail |
| Intelligent Step-Up B2B Charger | 9V – 36V Smart Alternator | 14.6V to 43.8V LiFePO4 CC/CV | Regulated Ground | Campervan dual-battery conversions, electric delivery van refrigeration units |
Why Partner With Eltrum
Factory Direct Advantages for Swedish OEMs & System Integrators
Combining world-class Shenzhen power electronics manufacturing speed with stringent ISO 9001 quality management, Shenzhen Eltrum Electronic Co., Ltd. delivers direct factory-level reliability.
ISO 9001 Certified Quality
Every step up converter undergoes automated surface-mount (SMT) optical inspection, 100% full-load thermal burn-in, and precise electrical insulation testing prior to palletizing.
OEM / ODM Custom Tailoring
Our in-house R&D engineering team designs custom input/output voltages, bespoke multi-stage charging algorithms, waterproof aviation connectors, and private-label CNC enclosures.
Rapid Prototyping (5 Pcs MOQ)
Eliminate procurement friction. We support Malmö product developers and testing labs with quick-turn pilot evaluation units from just 5 pieces, scaling smoothly to containerized FOB batches.
Direct Nordic Supply Logistics
Seamless CIF shipping to Malmö Hamn or air express freight directly to Copenhagen Airport (CPH) across the Öresund bridge, complete with EUR.1 / CE Declaration of Conformity documents.
Procurement Knowledge Base
Frequently Asked Questions by Nordic Buyers
Direct technical and logistical clarity for Swedish electrical contractors, commercial vehicle manufacturers, and marine equipment distributors.
What CE, RoHS, and Swedish regulatory certifications accompany your step-up voltage regulators? +
All Eltrum DC-DC converters and battery chargers are manufactured under an audited ISO 9001 quality management framework and are fully compliant with EU Low Voltage Directive (LVD) 2014/35/EU, Electromagnetic Compatibility Directive (EMC) 2014/30/EU, and RoHS Directive 2011/65/EU (including 2015/863 amendments). Certified test reports and official CE Declarations of Conformity (DoC) with Swedish-friendly customs tariff classifications are provided directly for customs clearance at Malmö or Gothenburg ports.
How do your step up converters handle Swedish winter sub-zero cold-crank voltage drops? +
During Nordic winter operations, lead-acid or even heated LiFePO4 batteries suffer significant voltage sag under high-draw engine starter cranking—frequently dropping from 12.6V down to 8.5V. Standard boost regulators shut down due to undervoltage lockout (UVLO). Eltrum’s wide-input step-up and buck-boost modules (such as the 8V–40V and 10V–60V series) maintain continuous synchronous switching down to 8V, preventing brownouts and reboot cycles in mission-critical GPS, marine navigation, and commercial vehicle control hardware.
Can your step-up regulators be used to charge 36V or 48V LiFePO4 batteries from a standard 12V vehicle alternator? +
Yes. A common engineering error is connecting a standard non-regulated boost converter directly to a lithium battery pack. Doing so causes dangerous over-current draw that destroys the vehicle alternator. Eltrum’s Smart DC-DC Battery Charger series (e.g., DC 12V to 43.8V 13A) integrates a true micro-controlled Constant Current / Constant Voltage (CC/CV) multi-stage charging curve specifically calibrated for lithium chemistry, with input current limiting to safeguard the host vehicle’s electrical system.
What are the lead times and shipping options for delivery to the Malmö / Skåne region? +
Sample orders and initial engineering validation units (5 to 50 pieces) are dispatched via DHL/FedEx Express directly from our Shenzhen facility within 3 to 7 working days, arriving in Malmö in approximately 4 to 6 business days via Copenhagen Airport (CPH). Bulk OEM production orders typically require 15 to 22 business days, shipped via consolidated sea container to Port of Malmö (CMP) or Port of Gothenburg, supported by full FOB Shenzhen or CIF delivery incoterms.
Do you offer custom enclosures, IP68 waterproofing, and RS485 communication protocols for marine integrators? +
Yes, full OEM/ODM engineering customization is our core business. For Malmö maritime OEMs, we offer IP68 vacuum-degassed epoxy potting in anodized marine-grade aluminum extruded enclosures with 316 stainless steel mounting hardware. Furthermore, our smart buck-boost and charger platforms can be integrated with isolated RS485 Modbus RTU communication buses, allowing system integrators to monitor real-time rail voltage, thermal junction temperature, and output current on local HMI touchscreens.
Accelerate Your Power Electronics Project in Malmö
Whether you require a sample boost unit for bench testing or a custom high-power DC-DC platform engineered for series manufacturing, our engineering department provides rapid schematic reviews, 3D CAD step files, and factory quotes within 24 hours.