Smart 36V Lithium Battery Charger 13A
- TopologyBoost DC-DC Charger
- Input/Output12V DC → 43.8V 13A
- EnclosureIP68 Fully Potted
- ChemistryLiFePO4 / Ternary
500+
Industrial Models130+
Global Export DestinationsISO 9001
Certified Shenzhen Facility-40°C ~ +85°C
Thermal Tolerance Matrix
Industrial Catalog
High-Efficiency Waterproof DC-DC Power & LiFePO4 Chargers
Engineered with complete IP65–IP68 potting compounds, synchronous rectification, and dynamic transient protection, these modules provide fail-safe power under severe conditions across Hokkaido.
600W Mains Waterproof LiFePO4 Charger
- TopologyAC-DC Multi-Stage
- Voltage Trim14.6V – 58.4V Options
- Input Range90V–265V AC Mains
- ProtectionOVP / OCP / OTP
400W DC-DC Battery-to-Battery Charger
- TopologyWide Buck-Boost CC/CV
- Input Range10V–36V DC System
- Output Range14.6V / 29.2V / 43.8V
- IntegrationSmart Alternator Safe
1500W High-Power Buck-Boost Module
- TopologyNon-Isolated Buck-Boost
- Input Span10V–60V Wide DC
- Output Rails12V / 24V / 28V / 48V
- Control BusRS485 Telemetry
Isolated 18-90V to 12V 10A Module
- IsolationGalvanic 1500V DC
- Input Range18V–90V Ultrawide
- Rated Load12V DC @ 10A (120W)
- EMI TargetEN 55032 Class B
24V to 12V 100A Heavy-Duty Buck
- TopologySynchronous Step-Down
- Continuous Amps85A – 100A Max
- EfficiencyUp to 96.5%
- HousingExtruded Aluminum IP68
72V to 24V 20A Electric Traction Step-Down
- Input Band30V–90V (36/48/72V Packs)
- Regulated Rail24V DC @ 20A (480W)
- Thermal Range-40°C Cold Boot Verified
- TargetE-Tractors, AGVs, Snow Machinery
12V to 48V 20A Sealed Step-Up Booster
- TopologySynchronous Step-Up
- Continuous AmpsUp to 20A (960W Peak)
- Inrush LimiterActive Soft-Start
- MountingAnti-Vibration Flange
Regional Integration
Mission-Critical Deployments in Sapporo and Hokkaido
Hokkaido's severe sub-arctic climate demands electronic components capable of enduring extreme thermal swings, aggressive road salt corrosion, and sub-zero mechanical shocks. Eltrum power conversion hardware addresses these regional challenges across crucial sectors.
Municipal Snow Plows & Fleet Management
Sapporo clears an average of nearly 5 meters of snow per season. Specialized road plows, de-icing tankers, and rotary loaders depend on our high-current 24V-to-12V buck converters and 10–60V buck-boost regulators. Encapsulated in thermal silicone, our modules resist calcium chloride spray, hydraulic motor vibration, and sudden voltage spikes during heavy sub-zero cranking.
Ishikari Bay Marine Electronics & Coastal Fleets
Commercial fishing and coastal cargo vessels operating near Ishikari Bay and Otaru face freezing spray, high salinity, and rough winter waters. Eltrum IP68 galvanically isolated DC-DC converters eliminate ground loops and galvanic corrosion, while our multi-stage LiFePO4 marine chargers maintain stable auxiliary battery banks in freezing conditions.
Cold-Climate Agriculture & Precision Forestry
Hokkaido's agricultural flatlands rely heavily on automated machinery, unmanned tractors, and outdoor sensors. Eltrum wide-input (30–90V) DC converters step down heavy battery voltages to feed 12V/24V RTK-GPS receivers, sensor payloads, and electro-hydraulic actuators, operating reliably down to -40°C.
Off-Grid Renewable Stations & Microgrids
Hokkaido leads Japan in wind generation and utility-scale solar. However, battery banks placed in mountain passes and coastal ridges suffer severe voltage sag during sub-zero nights. Our wide-input buck-boost modules dynamically compensate for fluctuating DC bus voltages to keep base stations and SCADA monitoring nodes online.
Ski Resort Infrastructure & Overlanding RVs
From Niseko to Sapporo Teine, resort operations rely on snow groomers, electric snowmobiles, and overland camper conversions. Our dual-battery DC-DC chargers enable vehicle-to-house LiFePO4 battery charging with smart low-temperature cutoffs to protect lithium cells from irreversible plating during sub-zero charges.
Logistics AGVs & Cold-Chain Warehouses
Automated forklifts and automated guided vehicles (AGVs) operating inside Sapporo cold-storage hubs move continuously between -25°C freezers and ambient loading docks. Full epoxy potting prevents internal condensation, while low-ESR capacitors ensure continuous voltage delivery without thermal drift.
Future Outlook
Regional Power Conversion Trends in Hokkaido
Hokkaido's accelerated carbon-neutral initiatives and industrial modernization are reshaping power electronics specifications across northern Japan.
Transition to 48V/72V Architectures
Municipal utility fleets, small commercial EVs, and specialized farm equipment in Hokkaido are shifting from traditional 12V/24V engines to 48V and 72V electric drivetrains. This evolution drives demand for high-efficiency, wide-input step-down converters capable of powering auxiliary 12V lighting, safety telemetry, and hydraulic solenoids.
Sub-Zero LiFePO4 Chemistry Management
Lithium Iron Phosphate cells are increasingly favored for their cycle life and thermal stability. However, charging them below 0°C without precise voltage control risks lithium plating and failure. Next-generation DC-DC converters feature temperature-sensor feedback and current ramp-down algorithms for sub-zero battery safety.
Demand for Hermetic IP68 Ingress Protection
Standard vented power supplies degrade rapidly in northern Japan due to continuous freeze-thaw cycles and salt-laden snowmelt. Procurement standards across Sapporo now require fully potted aluminum enclosures that prevent internal condensation and withstand high-pressure washdowns during maintenance.
Intelligent RS485 & CAN Bus Integration
Modern commercial equipment requires dynamic control over secondary power systems. Industrial buyers are transitioning toward RS485 Modbus or CAN-enabled converters that report real-time operating metrics—such as voltage drop, output load, and thermal status—directly to central vehicle ECUs.
Production Authority
Shenzhen Eltrum: Advanced Manufacturing & OEM Expertise
Shenzhen Eltrum Electronic Co., Ltd. is an onsite-verified manufacturer specializing in high-reliability power modules. Our Shenzhen facility combines automated SMT lines, custom winding, vacuum potting, and automated testing to support OEMs and distributors worldwide.
Core Competencies Built for Severe Climates
Founded in 2015, Eltrum combines deep engineering expertise in isolated topology with practical manufacturing scale. Every series is engineered to solve field issues commonly encountered in extreme industrial and vehicle deployments.
Thermal Potting
UL94V-0 rated thermally conductive silicone prevents thermal runaway and moisture penetration.
100% Full-Load Burn-In
Every production unit undergoes 4-hour dynamic load cycling and thermal shock testing before packaging.
OEM/ODM Customization
Tailored voltage curves, custom harnesses, Deutsch connectors, and private-label CNC enclosures.
Low MOQ for Validation
Sample validation orders from just 5 units, allowing engineers to verify performance in field trials.
Buyer Knowledge Base
Frequently Asked Questions by Hokkaido Procurement Teams
Practical technical and logistics guidance for Japanese fleet builders, marine engineers, and equipment manufacturers importing from China.
How do Eltrum DC-DC converters perform during cold starts at -30°C to -40°C in Hokkaido winters?
Our cold-climate models use industrial-grade solid electrolytic capacitors and semiconductors rated down to -40°C. Standard commercial components often experience electrolyte freezing, leading to sudden capacitance loss, elevated ESR, and startup failure. Eltrum modules incorporate soft-start current regulation and temperature-stabilized voltage references, ensuring reliable cold-boot operation even after extended sub-zero exposure.
Does road salt (calcium chloride) used for snow clearing in Sapporo degrade your converter housings?
No. Our waterproof converter series feature die-cast aluminum alloy housings treated with electro-deposited anti-corrosion coatings and an anodized exterior finish. Complete internal encapsulation with high-grade organic silicone seals all internal components against corrosive salt air, liquid brine, and condensation.
Can these battery-to-battery chargers handle smart alternator systems in modern commercial trucks?
Yes. Modern Euro 6 and Japanese modern emission-compliant commercial vehicles feature variable-voltage smart alternators that lower voltage when cruising to reduce fuel consumption. This can undercharge auxiliary LiFePO4 battery banks. Our DC-DC battery chargers utilize wide-range buck-boost topologies with active ignition detection, maintaining stable CC/CV charge curves (such as 14.6V or 29.2V) regardless of alternator voltage swings.
What certifications and compliance documentation can you provide for Japanese commercial imports?
All Eltrum power products are manufactured to CE and RoHS standards under an ISO 9001 certified quality management system. For Japanese imports, our AC-DC series can be configured for PSE standard compliance, while isolated DC-DC modules comply with CISPR/EN 55032 Class B electromagnetic compatibility standards. Complete test reports and declaration certificates are available upon request.
What are your typical lead times and shipping routes for deliveries to the Port of Tomakomai or New Chitose Airport?
Standard catalog sample orders (from 5 units) ship within 3–5 working days via air express (FedEx, DHL, or SF International) directly to New Chitose Airport, reaching Sapporo facilities in 3 to 4 business days. For volume OEM production, consolidated sea freight ships from Shenzhen Port to the Port of Tomakomai or Port of Tokyo, with door-to-door transit times ranging between 12 and 18 days.
Can Eltrum customize DC-DC converters for specialized agricultural and forestry equipment?
Yes. We offer complete OEM and ODM design services. Customization options include wide input ranges (such as 18–90V DC for variable battery banks), pre-configured output voltages, custom wiring harnesses, waterproof Deutsch or Amphenol connectors, and RS485 communication protocols for integration into vehicle control systems.