Smart 36V Lithium Battery Charger DC 12V to DC 43.8V 13A Waterproof
- TopologyDC-DC CC/CV Boost
- Input / Output12V DC → 43.8V 13A
- Ingress RatingIP67 Waterproof
- Efficiency≥ 94% Rate
500+
Power Supply Topologies
130+
Export Destinations
10 Years
OEM/ODM Proven Track Record
IP65/IP68
Hermetic Environmental Ingress
Engineered Product Portfolio
High-Reliability Converters & LiFePO4 Chargers for Resilient Power Systems
Field-proven power electronics manufactured under ISO 9001 quality management, featuring full potting protection, thermal throttling, and multi-stage electronic circuit defense.
600W Industrial AC-DC 14.6V–58.4V Waterproof LiFePO4 Charger
- AC Range90–264V AC Universal
- Preset DC Rails14.6V / 29.2V / 58.4V
- Thermal MgmtCold-Plate Conduction
- ProtectionOVP / OCP / Reverse Polarity
400W Multi-Chemistry DC-DC Dual-Battery In-Vehicle Charger
- Input Voltage10–36V DC Dynamic
- Charging ProfilesLiFePO4 / AGM / Gel
- Alternator SafeSmart Euro 5/6 Sensing
- PackagingAnodized Potted Extrusion
1500W Non-Isolated Buck-Boost Converter with RS485 Interface
- DC Input Swing10–60V Wide Window
- Stabilized Rail12V / 24V / 48V (Adjustable)
- Bus ProtocolRS485 MODBUS RTU
- Rated Power1500W Sustained
120W Galvanic Isolated DC-DC Step-Down Converter Module
- Isolation Barrier1500V DC Break Isolation
- Telecom Input18–36V / 36–75V DC
- Filtered Output24V DC ±1% Precision
- Noise Specs< 50mVp-p Ripple
24V to 12V 100A Synchronous Buck Step-Down Converter
- Heavy Fleet24V Nominal (18–32V In)
- Secondary Bus12V DC High Current (100A)
- MOSFET ArraySynchronous Rectification
- EnclosureHeatsink Ribbed Chassis
30–90V Ultra-Wide Input to 24V 20A Industrial Buck Module
- Traction In36V / 48V / 60V / 72V DC
- Auxiliary Rail24V @ 20A (480W Continuous)
- Surge RatingWithstands 100V Transient
- ProtectionThermal Cutoff at 85°C
12V to 48V 20A High-Current Step-Up Boost Voltage Regulator
- Low-Rail In10–16V DC Battery Input
- Step-Up Rail48V DC Precision High Rail
- Peak Current20A Sustained Output
- Thermal HeatSilicone Thermally Potted
Regional Engineering Context
Critical Power Architecture in Dnipro: Localized Demands & Grid Realities
A deep technical examination of industrial microgrids, emergency logistics, and metallurgical process control in the Dnipropetrovsk Oblast.
The city of Dnipro serves as the undisputed heavy industrial heartland, metallurgical nucleus, and vital logistics crossroads of Ukraine. With substantial manufacturing complexes lining the banks of the Dnieper River, aerospace fabrication facilities, rolling steel mills, and widespread railway marshalling yards, power supply requirements in this metropolitan center diverge sharply from standard commercial parameters. Commercial power grids across Eastern Ukraine experience frequent severe load shedding, acute frequency fluctuations (deviating widely from 50Hz nominal), high-energy transient spikes, and brownout voltage collapses down to sub-140V AC levels.
Consequently, original equipment manufacturers (OEMs), municipal utilities, military logistical hubs, and independent systems integrators operating in Dnipro have shifted decisively toward decentralized direct current (DC) microgrids, energy storage systems (BESS), and hybridized vehicular power architectures. Standard commercial-grade power converters simply fail in this theater due to thermal exhaustion, inductive voltage kickback from regional heavy machinery, and unconditioned alternator surges.
Technical Imperative: The Need for High Common-Mode Noise Rejection & Wide DC Windows
In Dnipro's industrial manufacturing clusters, common ground loops between high-tonnage arc furnaces, overhead crane traction lines, and sensitive digital PLCs create massive ground potential shifts. Without galvanic isolation exceeding 1500V DC and wide-window buck-boost stabilization that functions seamlessly through massive line-voltage sags, mission-critical automation and communications systems suffer irreparable controller latch-up or permanent dielectric breakdown.
Emergency Energy Storage Systems (BESS)
Decentralized LiFePO4 battery banks deployed in commercial clinics, communications nodes, and industrial substations throughout Dnipro require robust AC-DC and DC-DC battery chargers. Our multi-stage CC/CV chargers regulate raw, erratic utility feeds into precision charging curves, maximizing cycle life while safeguarding lithium cells against catastrophic over-temperature events.
Fleet Overlanding & Defense Logistics
Heavy transport vehicles, specialized tactical ambulances, and utility service trucks deployed across rough regional terrain require battery-to-battery (B2B) chargers and buck step-down modules. These ensure dual-battery setups (starter lead-acid to house lithium) operate smoothly despite severe engine-cranking sags (cold cranking down to 8V) and alternator load-dump surges exceeding 36V.
Metallurgical & Aerospace Automation
Dnipro’s specialized metallurgy and machining lines employ sensitive sensor telemetry, robotics, and SCADA infrastructure. Galvanically isolated DC-DC converters eliminate high ground loop voltages and high-frequency EMI generated by giant welding heads, high-speed stamping presses, and electric arc equipment, protecting microcontrollers from resets.
Technological Roadmap
Future Trends in Decentralized Power Conversion Serving Dnipro
Emerging engineering shifts steering Ukrainian procurement toward higher thermal boundaries, universal communication protocols, and wide bandgap silicon.
Wide-Bandgap Gallium Nitride (GaN) & SiC Topologies
The transition from legacy silicon MOSFETs to Silicon Carbide (SiC) and GaN semiconductors allows power supplies to operate at vastly elevated switching frequencies (up to 500kHz). This slashes magnetic core volume by 40%, elevating efficiency past 96%. For engineers in Dnipro, smaller footprint and ultra-low heat dissipation mean tightly sealed IP67 enclosures operate reliably without forced-air fans that ingest airborne soot and dust.
Universal Wide-Range Input Architecture (10V–90V DC)
Stocking fragmented inventories of voltage-specific power supplies is logistically unfeasible for regional distributors facing volatile supply corridors. Modern procurement standards favor universal-input modules capable of accepting any DC bus from 12V automotive to 72V traction packs, autonomously bucking or boosting to stable 12V, 24V, or 48V auxiliary lines.
Digital Control Loops & RS485 / CAN Telemetry
Analog power supplies with manual potentiometer tuning are rapidly being replaced by micro-controlled platforms with RS485 MODBUS and CAN bus integration. System operators in Dnipro can dynamically re-profile LiFePO4 absorption voltages, throttle peak output currents during low battery states, and monitor real-time thermal performance remotely via centralized dashboards.
| Functional Category | Input Voltage Window | Output Voltage / Currents | Isolation & Protection | Dnipro Deployment Vector |
|---|---|---|---|---|
| Galvanic Isolated DC-DC | 18–36V / 36–75V / 18–90V DC | 5V, 12V, 24V (up to 120W) | 1500V DC Isolation, <50mV Ripple | Telecom Racks, Heavy Crane Control, AGVs |
| Wide-Window Buck-Boost | 8–40V / 10–60V DC | 12V, 13.8V, 24V, 48V (up to 1500W) | Auto step-up/down, RS485 telemetry | Fluctuating BESS Auxiliaries, Vehicle Carts |
| High-Current Buck (Step-Down) | 24V (18–32V) / 48–72V DC | 12V @ 50A–100A / 24V @ 20A–40A | Synchronous Rectification, Potting IP68 | Diesel Fleets, Heavy Mining Transports |
| Smart LiFePO4 Chargers | 90–264V AC / 10–44V DC B2B | 14.6V, 29.2V, 43.8V, 58.4V CC/CV | IP65 Waterproof, BMS Auto-Wakeup | Clinic Backups, Mobile Tactical Microgrids |
Enterprise Strength
OEM/ODM Manufacturing Infrastructure: Shenzhen to Global Supply Lines
Certified engineering standards, automated assembly lines, and severe testing regimes empowering international buyers with high-margin reliability.
Shenzhen Headquarters & SMT Complex (Est. 2015)
SMT Line
Burn-In QA
Certified Consistency from Component Selection to Final Potting
Founded in 2015 in Shenzhen’s core electronics manufacturing hub, Shenzhen Eltrum Electronic Co., Ltd. has grown to become a premier designer and exporter of power conversion technologies. Operating under a rigorous ISO 9001 Quality Management System, our multi-stage facility guarantees traceability for every semiconductor, winding, and magnetic core.
Every single power supply unit undergoes 100% full-load burn-in testing, high-voltage dielectric withstand verification, and thermal imaging audits before dispatch. Unlike budget assemblers who utilize unrated potting resins, Eltrum uses UL94V-0 flame-retardant thermally conductive epoxy, ensuring exceptional heat extraction from internal MOSFETs and total immunity to moisture, shock, and corrosive chemical vapors.
Low MOQ Sampling Protocol
We understand the need for fast iterative testing in regional research and development projects. We support low-volume sample validation runs starting from just 5 units for standard converter and charger models, enabling your engineering team to benchmark efficiency and thermal parameters prior to container commitments.
Full OEM/ODM & Buyer Labeling
From bespoke PCB footprints and customized terminal harness blocks (Anderson connectors, aviation waterproof sockets, screw studs) to proprietary RS485 communication baud protocols and private branding, our R&D engineering wing builds bespoke power hardware tailored precisely to your application requirements.
Certified International Compliance
Our full line of buck, boost, isolated, and smart charger platforms carry full CE Conformity and RoHS Compliance documentation, ensuring rapid clearance across European customs checkpoints and uncompromised compliance with European electromagnetic compatibility standards.
Engineering Knowledge Base
Frequently Asked Questions by Technical Buyers Serving Dnipro
Practical answers addressing cold-climate durability, logistics channels, voltage fluctuations, and battery chemistries.
How do Eltrum power converters endure Dnipro's freezing sub-zero winter temperatures?
Winter temperatures across the Dnipropetrovsk region consistently drop below -20°C. Standard consumer-grade power supplies utilize commercial electrolytic capacitors that experience electrolyte freezing, leading to ESR explosions and power cutoff. Eltrum industrial modules utilize solid automotive-grade polymer capacitors and tantalum units rated for operation down to -40°C. Furthermore, our complete vacuum potting process prevents internal condensation cycles when equipment transfers rapidly between freezing outdoor conditions and heated utility shelters.
What international freight routes and customs clearance terms are available for shipments to Dnipro?
We provide standard FOB Shenzhen, EXW, and CIF European entry hub logistics (including consolidated transit via major Polish freight hubs such as Warsaw, Katowice, and Chelm, followed by expedited bonded ground transport directly to Dnipro customs terminals). Our export documentation package includes exact HS code classifications (8504.40), detailed commercial invoices, certificates of origin, and certified CE/RoHS declarations to ensure rapid customs transit.
Why is galvanic isolation strongly recommended over non-isolated buck converters for industrial cranes and rolling mills along the Dnieper?
Non-isolated converters share a common negative ground between the input source and the output load. In Dnipro’s heavy metallurgy and manufacturing sectors, industrial equipment introduces large ground loops, high-frequency inductive kickbacks, and erratic earth potential shifts. If an unexpected power stage short-circuit occurs on a non-isolated buck converter, the full raw 48V or 72V traction voltage can dump directly into sensitive 12V or 24V control microprocessors, destroying the downstream PLC. A galvanically isolated module creates a 1500V DC magnetic barrier that completely breaks ground loops and protects expensive control hardware.
Can your DC-DC chargers effectively wake up a sleeping LiFePO4 battery BMS triggered by over-discharge?
Yes. During prolonged emergency power interruptions, lithium house batteries often drop below their Low Voltage Disconnect (LVD) threshold, causing the internal BMS to open its protection MOSFETs and read 0V at the external terminals. Traditional chargers will refuse to initiate charging when no terminal voltage is detected. Eltrum LiFePO4 battery chargers feature an engineered 0V activation pulse algorithm that sends a gentle current trickling at target voltage to wake up the BMS logic and resume standard CC/CV bulk charging safely.
How does your engineering team support custom voltages and unique chassis requirements?
Our experienced in-house power design team can adapt existing proven circuit platforms to match non-standard voltages (e.g., 13.8V radio communications rails, 28V military-spec buses, or 54.6V lithium-ion cutoff levels) within 7 to 14 business days for prototype testing. Custom aluminum die-cast housings, mounting flanges, silicone wire gauges, and specific waterproof quick-connectors are fully available under our OEM/ODM partnership agreements.
Equip Your Dnipro Operations with Rugged Power Infrastructure
Connect directly with our engineering division in Shenzhen. We provide comprehensive datasheets, thermal derating curves, and sample testing units tailored to your exact application.