Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- Input Voltage12V DC
- Output Target43.8V DC (CC/CV)
- Max Current13A (Waterproof)
- ApplicationEV, Marine, E-Bike
Enterprise Product Portfolio
Precision Non-Isolated DC-DC Modules & Battery Chargers
Engineered with high power densities, low ripple profiles, and robust thermal potting. Designed to bridge varying DC distribution buses across West End's industrial installations.
1500W Wide-Input Buck-Boost Voltage Stabilizer
- Input Voltage10V – 60V DC
- Regulated Output12V / 24V / 48V
- InterfaceRS485 Telemetry
- TopologySynchronous Non-Isolated
24V to 12V 85A/100A Heavy Vehicle Step-Down Buck
- Input Range18V – 35V DC
- Output Rail12V / 13.8V DC
- Continuous Rating100A Max (1200W)
- ProtectionOCP, OVP, Thermal Cutoff
10V–44V to 12V 50A/60A Fleet Voltage Stabilizer
- Input Range10V – 44V Wide Window
- Output Voltage12.0V ± 1.5%
- Max Output720W Potted Unit
- EnclosureIP68 Die-Cast Aluminum
12V to 24V/48V High-Amperage Step-Up Boost
- Input Range9V – 20V DC
- Output Selection24V (50A) / 48V (20A)
- Conversion Rate95.5% Efficiency
- CoolingIntegrated Passive Fin
30V–90V to 24V 10A/20A E-Mobility Buck Module
- Input Scope36V / 48V / 60V / 72V
- Regulated Output24V DC Fixed
- Peak Current20A Continuous
- ApplicationAGVs, Scissor Lifts, Carts
400W Alternator-Safe DC-DC LiFePO4 Charger
- DC Input Window10V – 36V DC
- Lithium Curve14.6V / 29.2V Multi-Stage
- Power Envelope400W True Output
- EnvironmentSubmersible IP67 Sealed
8V–40V to 13.8V 25A/30A Marine Voltage Stabilizer
- Input Dynamic8V – 40V Low-Drop
- Marine Nominal13.8V Float Output
- Rated PowerUp to 414W Continuous
- StandardCE, RoHS Compliant
Engineering White Paper
Non-Isolated DC-DC Conversion Architecture: Thermodynamic and Electrical Optimization
Evaluating synchronous rectification, switching losses, and common-ground topologies for high-efficiency distributed power architecture across industrial automation systems.
Synchronous Rectification
Non-isolated buck and boost converters bypass magnetic transformer cores, replacing conventional Schottky diodes with low RDS(on) MOSFET switches. This reduces conductive losses by up to 70%, yielding conversion efficiencies regularly exceeding 95% at nominal load points.
Common-Ground Integrity
By sharing a unified direct ground between input and output, non-isolated modules dramatically simplify wiring topologies in chassis-grounded systems such as municipal transit fleets, warehouse automated guided vehicles (AGVs), and centralized industrial control cabinets.
Thermally Engineered Potting
Without transformer air cores limiting conductive heat flow, Eltrum non-isolated modules utilize thermally conductive silica-gel potting compounds within an extruded aluminum shell. This guarantees rapid heat transfer and prevents internal localized hotspot formation.
Topological Comparison: Non-Isolated vs. Galvanically Isolated Modules
| Engineering Attribute | Eltrum Non-Isolated Converters | Galvanically Isolated Converters | System Optimization Impact |
|---|---|---|---|
| Peak Conversion Efficiency | 94% – 97.2% | 86% – 90.5% | Minimal Thermal Dissipation |
| Power Density (W/cm³) | High (eliminates bulky planar/toroidal cores) | Moderate to Low | Compact Enclosure Layouts |
| Ground Potential | Common shared negative/ground return | Completely decoupled (air/optical gap) | Ground Loop Considerations |
| Transient Dynamic Response | Sub-50μs rapid transient recovery | 150μs – 350μs feedback latency | Superior Step-Load Handling |
| Capital & Component Cost | 30% – 45% more cost-effective per Watt | Higher transformer assembly overhead | Optimized OEM Bill of Materials |
Target Deployment Profile
Strategic Local Applications in the West End Sector
Meeting the exacting technical demands of West End's commercial infrastructure, urban electrification programs, and advanced industrial automation corridors.
Commercial Transit & Municipal Fleets
West End municipal and private transit contractors depend on Eltrum 24V-to-12V non-isolated buck regulators to safely down-convert primary alternator outputs for telematics, precision GPS units, passenger Wi-Fi routers, and onboard surveillance cameras without parasitic voltage drop.
Commercial EV & Material Handling
High-power distribution within West End distribution hubs requires stepping down 48V, 60V, and 72V traction battery banks to regulated 12V and 24V buses. Our modules supply logic controllers, safety beacons, hydraulic actuators, and telemetry systems with stable, clean power.
Distributed Urban Renewables
For microgrids, rooftop solar aggregations, and edge telecom enclosures in the West End sector, wide-input buck-boost modules (such as our 8V–40V models) smooth erratic photovoltaic battery outputs into stable, regulated DC rails that eliminate brownout-induced network downtime.
Industry Trajectory
DC Power Transformation: Regional Industry Outlook
Anticipating engineering transitions, statutory compliance protocols, and technological shifts across the local power conversion landscape.
1. Accelerating 48V Infrastructure
Driven by energy conservation standards, local enterprise hardware is transitioning from 12V backplanes to higher-voltage 48V architectures. This structural pivot minimizes I²R resistive distribution losses across large-scale facilities while creating strong demand for multi-amperage non-isolated point-of-load (POL) buck converters.
2. Wide-Bandgap Semiconductor Integration
Gallium Nitride (GaN) and Silicon Carbide (SiC) switches are redefining modern power module development. Eltrum's advanced topologies leverage elevated switching frequencies to drastically reduce external filter capacitor and inductor footprints, achieving power densities exceeding 1.2W/cm³.
3. Intelligent Telemetry & Field Diagnostics
System engineers in West End increasingly mandate dynamic voltage modulation and proactive diagnostic feedback. Our RS485-enabled buck-boost modules transmit real-time telemetry—including junction temperatures, input voltage droop, and instantaneous load currents—directly to industrial SCADA systems.
500+
Standard Power Models
130+
Countries Served
3,000 m²
Shenzhen Facility
ISO 9001
Certified Manufacture
Procurement Intelligence
Frequently Asked Questions for West End Engineering Buyers
Clear answers to critical technical, compliance, and supply-chain inquiries regarding non-isolated DC-DC converters.
When should a project mandate non-isolated modules rather than isolated converters?
Non-isolated converters should be specified whenever the primary DC source and the destination load can safely share a single common electrical ground (negative return). They deliver 5% to 10% higher operational efficiency, substantially smaller physical footprints, and a 30% to 45% reduction in module costs. Conversely, isolated converters are reserved strictly for systems requiring ground-loop breakups, floating rails, or dielectric isolation against high-voltage bus back-feed.
How does Eltrum mitigate switching noise and EMI/EMC compliance issues?
All Eltrum non-isolated series incorporate multi-stage LC input/output harmonic filtration networks alongside precision spread-spectrum clocking architectures. Furthermore, our complete assemblies are housed within enclosed, five-sided aluminum alloy chassis that suppress radiated emissions. Units fully meet stringent European CE (EN 55032 Class B) and RoHS criteria under full-load operational profiles.
What Minimum Order Quantities (MOQs) and lead times apply for local delivery?
To support early engineering trials and qualification testing, our baseline MOQ begins at only 5 units for catalog hardware. Scaled volume production batches (500 to 5,000+ units) typically run on a 3-to-4 week production cycle, backed by rapid international air express or scheduled consolidated sea freight to regional hubs.
Can Eltrum tailor internal parameters, custom output rails, or custom enclosures?
Yes. As an original design manufacturer (ODM/OEM) operating dedicated automated SMT lines in Shenzhen, we engineer application-tailored solutions: from non-standard outputs (such as 13.8V, 19.5V, or 28V), programmable current limits, and custom dynamic battery charging profiles, to proprietary water-resistant wire harnesses and buyer-branded labels.
What thermal derating factor should engineers plan for in enclosed spaces?
For operating environments between -40°C and +50°C with adequate natural air convection, our modules operate at 100% rated capacity. If deployed inside hermetically sealed NEMA/IP boxes or high-ambient engine compartments reaching +60°C to +80°C, our application team recommends designing in a 20% to 30% continuous power derating buffer to maintain internal component longevity.
Manufacturing Integrity
Shenzhen Eltrum Electronic Co., Ltd.: Facility Capabilities
Delivering zero-defect manufacturing standards through automated surface-mount assembly, 100% high-temperature full-load burn-in, and ISO 9001 certified procedures.
High-Speed SMT
State-of-the-art pick-and-place lines populate precision ceramic capacitors, planar magnetic components, and automotive-grade MOSFET switches with sub-millimeter component placement accuracy.
Vacuum Potting
Automated dual-component potting machines inject specialized epoxy and silicone resins under negative pressure, eliminating micro-void air bubbles to secure IP67/IP68 environmental seals.
Full-Load Burn-In
Every commercial production unit undergoes an automated 4-hour active burn-in protocol at elevated operational temperatures to screen out early electrical component infant mortality before dispatch.
Turnkey OEM/ODM
From initial schematic evaluation, PCB layout, and thermal simulation to custom metal tooling, connector pinouts, and buyer-specific packaging, our in-house engineering team works directly with OEM teams.