12V to 48V Waterproof Boost Converter (12.5A–20A)
- Nominal Input: 12V DC (9–20V Range)
- Continuous Output: 48V DC (Up to 960W)
- Enclosure Rating: IP68 Potted Aluminum
- Peak Conversion: >95.8% Efficiency
96.5%
Peak Efficiency
500+
Standard Models
IP68/IP65
Ingress Protection
ISO 9001
CE & RoHS Certified
Engineering Catalog
High-Efficiency DC-DC Boost & Regulated Power Conversion Modules
Engineered to elevate standard 12V automotive, marine, and secondary battery banks to regulated 48V telecom, motive, and automation power rails.
High-Current Synchronous 12V to 48V Converter (20A)
- Continuous Load: 20A @ 48V (960W)
- Thermal Control: Integrated Heat Fins
- Ripple & Noise: <100mVp-p
- Protection: OCP, OVP, OTP, Reverse
Smart 36V/48V Lithium Battery Charger DC 12V Input
- Input Voltage: 10.5V–16V DC System
- Output Curve: CC/CV for LiFePO4/NMC
- Waterproof Grade: IP67 Fully Sealed
- Application: Light EV & Mobile Packs
1500W High-Power Wide-Range Buck-Boost Module
- Input Dynamic: 10V–60V DC Ultra-Wide
- Output Rating: 48V Configurable (1500W)
- Telemetry: RS485 Bus Interface
- Topology: 4-Switch Non-Inverting
400W Multi-Stage Step-Up Battery-to-Battery Charger
- Input Range: 10V–36V DC Alternator
- Charge Profiles: 14.6V / 29.2V / 43.8V / 58.4V
- Vibration Index: MIL-STD-810G Compliant
- Cooling: Passive Conduction Anodized
Dual-Input 12V/24V to 48V Step-Up Industrial Unit
- Input Voltage: 9V–32V Flexible Window
- Regulated Rail: 48V DC ±1.0% Stable
- Protection: Under-Voltage Lockout (UVLO)
- Certification: CE, RoHS Certified
Galvanic Isolation 12V/24V to 48V Power Module
- Dielectric Proof: 1500V DC Isolation Barrier
- Ground Loops: Eliminated (Complete Zero Common)
- Telecom Ready: EN 55032 Class B Filtered
- Housing: Machined Extruded Alloy
Custom Alpine OEM 12V to 48V Boost Platform
- Cold Start Capability: Down to -40°C Operation
- Output Tailoring: 48V to 56V Floating Voltage
- Custom Interfaces: Deutsch DT, Anderson, or M12
- Testing Standard: 100% Full-Burn Burn-In
Regional Integration
12V to 48V Power Conversion Applications Across Triesen
In the high-precision manufacturing belt of the Rhine Valley and the alpine climate zones of the Principality of Liechtenstein, power electronics face demanding constraints: steep gradient cold starts, harmonic sensitivity, and compact automated machinery.
Alpine Intralogistics & AGV Electrification
Local industrial assembly corridors and multi-story warehousing facilities in Triesen increasingly deploy Automated Guided Vehicles (AGVs) operating on low-voltage 48V architectures. Our 12V-to-48V boost converters allow facilities to maintain legacy 12V lead-acid or 12V LiFePO4 charging infrastructure while stepping up DC rails dynamically to power high-torque brushless drive motors without excessive heat build-up.
Specialty Alpine Vehicles & Municipal Fleets
Municipal support equipment, snow grooming auxiliaries, and mountain transit shuttles navigating the rugged terrain above Triesen toward Triesenberg rely on 12V starter systems. By integrating our high-output 12V to 48V boost units, vehicle upfitters drive high-intensity LED light towers, secondary 48V winches, and electro-hydraulic snowplow controllers with zero cross-talk or alternator stress.
Renewable Microgrids & Telecom Repeater Sites
Off-grid repeater shelters and mountain measurement stations stationed throughout the Rätikon mountain range frequently combine 12V solar accumulator arrays with commercial 48V telecom switchboards (PoE, LTE micro-cells). Our high-efficiency DC-DC boost modules ensure stable 48V delivery even during severe sub-zero cold-soak scenarios when source battery voltage dips below 11V under heavy load.
Technological Trajectory
Regional Power Conversion Trends Shaping Liechtenstein Industry
Strategic transitions across European industrial automation are driving high demand for smarter, cleaner, and thermally advanced conversion modules.
1. The Structural Transition from 12V to 48V Power Distribution
Across Liechtenstein's specialized precision manufacturing corridor, machinery designers are aggressively shifting local subsystem power buses from 12V to 48V. The physical reasoning is governed by Joule's heating law ($P_{loss} = I^2R$). By quad-multiplying the voltage from 12V to 48V, system amperage drops by 75% for identical power transmission. This allows design engineers in Triesen to downsize copper wire cross-sections dramatically, eliminating kilograms of harness weight in mobile equipment and minimizing wiring raceway congestions in robotics cells. As direct 48V alternators remain expensive to retrofit, high-power 12V to 48V boost converters provide the vital stepping stone for OEM retrofits.
Cold-Climate Thermal Compensated Magnetics:
Operating converters in the Rhine Valley requires components capable of surviving thermal expansion cycles between -30°C winter cold snaps and +50°C summer enclosure environments. Eltrum employs customized planar magnetics and high-potting grade silicone resins that eliminate micro-cracking and prevent ferrite core saturation across extreme temperature gradients.
2. Stringent EMC/EMI Compliance (EN 55032 / EN 61000) for Precision Environs
Liechtenstein hosts globally recognized precision tooling, dental engineering, and laboratory measurement corporations. Converters installed in these localized hubs must not pollute the DC bus with conducted emissions or emit high-frequency radiated interference. Modern 12V to 48V boost converters supplied to this market incorporate advanced spread-spectrum frequency dithering, multi-stage LC pi-filters, and completely shielded six-sided aluminum enclosures to guarantee zero interference with delicate PLCs and optical sensors.
3. Integration of Galvanic Isolation and Digital Bus Telemetry
Analog, "blind" converters are rapidly giving way to smart modules. Industrial procurement teams in Triesen now mandate real-time health diagnostics via RS485 (Modbus RTU) interfaces. System supervisors can monitor real-time thermal throttling, output current consumption, and battery health trends, enabling predictive maintenance schedules before module shutdown occurs.
About Eltrum Power
Pioneering DC-DC Conversion & LiFePO4 Charging Since 2015
Shenzhen Eltrum Electronic Co., Ltd. operates a high-capacity, ISO 9001 certified manufacturing plant dedicated to advancing high-density power electronics. With more than 500 standard production models in active deployment across 130+ nations, our engineering expertise spans non-isolated boost topologies, wide-input buck-boost regulators, and high-isolation industrial modules.
Our production facility has undergone complete onsite verification by third-party inspection firms. We combine automated Surface Mount Technology (SMT), automated winding, high-vacuum polyurethane potting, and a 100% full-load aging burn-in test cycle for every delivered piece.
- Low Prototype Entry Barrier: Standard production runs and validation units start from an accessible MOQ of just 5 units.
- Full Engineering Customization (OEM/ODM): Bespoke input windows (e.g. 9V-32V), specialized voltage trimpots, custom cable assemblies, and custom brand labelling.
- Full Regulatory Conformance: Fully compliant with European CE directives, RoHS environmental guidelines, and WEEE waste handling expectations.
Procurement Knowledgebase
Frequently Asked Questions for Buyers in Triesen & Central Europe
Comprehensive engineering clarifications addressing the most common design-in, validation, and commercial inquiries.
How do I correctly size input cables and fuses for a 12V to 48V boost converter?
Because a boost converter delivers higher voltage at the output, the input current is substantially higher than the output load current. To calculate: Input Current = (Output Voltage × Output Current) / (Input Voltage × Efficiency). For example, a 48V 10A (480W) output operating from a drained 12V battery bank (sagging to 10.5V) at 94% efficiency draws approximately 48.6 Amps continuous. Designers in Triesen must size input DC fusing to 60A and install low-gauge copper wiring (minimum 16mm² / 5-6 AWG) to prevent dangerous thermal drops over cable runs.
When must an engineer choose Galvanically Isolated over Non-Isolated Boost Converters?
Non-isolated converters share a common negative (ground) rail between input and output, which provides the highest electrical efficiency (95–97%) and the smallest physical footprint. However, you must choose an Isolated Boost Module if your system exhibits different earth-ground references, operates high-precision CAN-bus data networks that risk ground-loop noise corruption, or if European electrical equipment machinery codes mandate separate safety domains between the motive powertrain and auxiliary control electronics.
Can these 12V to 48V boost modules be used directly to charge 48V LiFePO4 battery packs?
A standard fixed-voltage boost converter cannot be directly wired to a dead lithium battery pack, as the initial low battery resistance triggers constant over-current trip cycles. For battery charging purposes, you must select our dedicated DC-DC Battery Charger Series (such as our 400W–800W B2B units), which incorporate autonomous multi-stage CC/CV (Constant Current / Constant Voltage) algorithms and battery management system (BMS) handshakes.
What are the shipping, customs, and delivery timelines to Triesen, Liechtenstein?
Shipments dispatched to Liechtenstein move under the Swiss-Liechtenstein Customs Union framework. Standard sample evaluations (5–10 units) are dispatched via international air express (DHL/FedEx/UPS) directly to Triesen postal codes (9495) with transit windows averaging 4 to 7 business days. Bulk volume orders are handled under standard Incoterms (FOB Shenzhen, CIF Basel/Zurich, or DDP direct to your plant warehouse).
What is the thermal derating requirement for sealed alpine installations?
Our converters operate continuously at rated load between -25°C and +45°C ambient when mounted on a vertical conductive substrate allowing natural convective airflow. If modules are encapsulated inside non-ventilated IP67 poly-carbonate or stainless field junction boxes, we recommend derating continuous output current by 20% to 25% or mounting the converter chassis directly against the external metal enclosure plate using thermal conductive gap pads.
Do Eltrum converters meet European CE, RoHS, and REACH industrial directives?
Yes. Every unit manufactured in our Shenzhen facility carries full technical construction files validating conformity with Low Voltage Directive (LVD) 2014/35/EU, Electromagnetic Compatibility Directive (EMC) 2014/30/EU, and RoHS Directive 2011/65/EU. Test reports from accredited third-party laboratories are provided during the validation sample phase.
Engineering Baseline
12V to 48V Electrical Parameter Standard Matrix
Reference data for system integrators, embedded engineers, and procurement directors evaluating step-up conversion architectures.
| Model Family | Input Voltage | Output Rating | Peak Efficiency | Ingress / Cooling | Target Application |
|---|---|---|---|---|---|
| WG-12S4810 | 9V – 20V DC | 48V DC @ 10A (480W) | 95.6% | IP68 / Natural Convection | Solar Telemetry, Marine House Rails |
| WG-12S4815 | 10V – 22V DC | 48V DC @ 15A (720W) | 96.1% | IP68 / Die-cast Aluminum | Mobile Equipment, Winch Drives |
| WG-12S4820 | 10V – 24V DC | 48V DC @ 20A (960W) | 95.8% | IP67 / Reinforced Flange | Automated Guided Vehicles (AGV) |
| WG-12C48B2B | 10.5V – 16V DC | 54.8V / 58.4V (Smart CC/CV) | 94.2% | IP67 / Intelligent Charge Log | Alternator to 48V LiFePO4 Charging |
| ISO-1248-120 | 9V – 36V DC Isolated | 48V DC @ 2.5A (120W) | 91.5% | 1.5kV Isolation / Extruded | Sensitive Industrial PLC & Sensor Buses |
Require Custom Voltage, Current, or Enclosure Engineering?
Consult directly with our Shenzhen power engineering department. Whether you require tailored 12V to 48V boost samples for validation testing in Triesen or high-volume OEM delivery schedules, our application engineers reply within 24 business hours.