12V to 48V Waterproof Boost Converter (12.5A–20A)
- Topology: Non-Isolated Boost
- Input Range: 10V – 16V DC
- Rated Power: 600W – 960W
- Enclosure: IP68 Die-cast Alu
Engineered Catalog
Featured 12V to 48V Boost Modules & Integrated Power Subsystems
Direct-from-factory synchronous boost power supplies manufactured under ISO 9001 governance, fully potted with thermal polyurethane for harsh industrial environments.
High-Current 12V to 48V 20A Step-Up Power Module
- Topology: Synchronous Rect.
- Efficiency: Up to 96.2%
- Surge Protection: TVS Anti-Spike
- Certifications: CE / RoHS / ISO9001
1500W Wide-Input Buck-Boost to 48V Bus Stabilizer
- Input Range: 10V – 60V DC
- Nominal Output: 48V (Adjustable)
- Interface: RS485 Modbus RTU
- Continuous Current: 31.25A Max
Galvanically Isolated DC-DC Industrial Module to 48V
- Isolation: 1500V DC Min.
- Application: Telecom Ground Loops
- Protection: OCP, OVP, OTP, SCP
- Cooling: Integrated Heat Fins
Compact 12V/24V to 48V Boost Module (10A–15A)
- Efficiency: 95.5% Synchronous
- Housing: Anodized Aluminum
- Vibration: 5G Anti-Shock
- Operating Temp: -40°C to +85°C
12V to 48V (58.4V) CC/CV LiFePO4 Battery Charger
- Profile: Bulk, Absorption, Float
- Cut-Off Voltage: 58.4V (16S LiFePO4)
- Ignition Control: Euro 6 D+ Terminal
- Sealing: Full Epoxy Potted IP67
Wide-Band Dynamic Boost Regulator 9V–32V to 48V
- Low Sag Threshold: Down to 8.5V Cranking
- No-Load Current: < 25mA Low Standby
- Ripple & Noise: < 120mVp-p
- Safety Standard: EN 61000-6-3 / 6-1
Smart 36V/48V Lithium Battery Charger DC 12V Step-Up
- Target Chemistry: Ternary / LiFePO4
- Output Power: 570W Constant Output
- Thermal Shutdown: Auto-Recovery at 65°C
- Application: AGV, Forklifts & Utility
Whitepaper Architecture
Engineering Principles of 12V to 48V Step-Up Conversion for Tropical Industrial Hubs
Converting a standard automotive or energy storage 12V DC rail to a 48V DC bus demands high-precision power electronics topologies. A quadrupling of nominal voltage (1:4 step-up ratio) fundamentally transforms duty-cycle demands on MOSFET switches. In non-synchronous boost configurations, the duty cycle exceeds 75%, generating tremendous conduction and diode reverse-recovery losses. Our Shenzhen engineering hub solves this challenge by deploying synchronous rectification with dual ultra-low RDS(on) N-channel MOSFETs, elevating electrical conversion efficiency past 96% and dramatically mitigating internal thermal stress.
"In heavy industrial centers like Choloma, where ambient temperatures inside unconditioned facilities exceed 38°C with relative humidity breaching 85%, power supplies without synchronous rectification and solid potting face early MTBF degradation due to localized hotspot build-up and galvanic corrosion."
Our converters incorporate planar high-frequency transformers or toroidal low-loss sendust core inductors, keeping EMI emission well within EN 55032 Class B limits. This electromagnetic silence prevents noise injection into sensitive Modbus instrumentation, industrial PLCs, and telecommunications transceivers installed on the same battery bank.
Benchmarked Engineering Specifications
| Input Voltage Window | 9.0V – 18.0V DC (12V Nominal) |
| Regulated Output Bus | 48.0V DC ± 1.0% (Optional Adj.) |
| Conversion Efficiency | 95.2% – 96.5% at Nominal Load |
| Dielectric Withstand | Non-Iso: Common GND / Iso: 1.5kV |
| Switching Frequency | 120 kHz – 180 kHz Fixed PWM |
| Thermal Ingress Protection | IP68 Full Polyurethane Resin Potted |
| Mean Time Between Failures | > 120,000 Hours (MIL-HDBK-217F) |
500+
Standard Power Supply Models
130+
Global Export Destinations
96.5%
Peak Step-Up Efficiency
IP68
Certified Hermetic Ingress Protection
Local Infrastructure Fit
Industrial Application Scenarios Across Choloma, Honduras
Engineered to support the heavy textile manufacturing, logistics corridors, and industrial automation networks that define Choloma's free processing economic zones.
Maquiladora Apparel & Textile Automation
Choloma is the manufacturing heart of Central America's textile trade. Modern computerized knitting machinery, pneumatic loom controllers, and automated fabric tracking systems operate on 48V DC buses to minimize wiring resistive losses. Our boost modules step up 12V backup battery banks directly to 48V during grid brownouts, ensuring zero micro-stoppages on automated cutting lines.
Intralogistics AGVs & Warehouse Forklifts
In logistics parks serving Puerto Cortés cargo routes, electric pallet jacks, automated guided vehicles (AGVs), and order pickers rely on 48V motive traction. Our 12V to 48V DC-DC boost modules allow facility managers to integrate auxiliary 12V tracking, telematics, and heavy-duty sensors directly into the primary 48V system without disrupting motor controller dynamics.
Free Trade Zone (ZIP) Telecom Towers
Industrial parks like ZIP Choloma and ZIP El Hogar require uninterrupted LTE and private Wi-Fi networks. Base transceiver stations (BTS) and PoE switches operate on negative or positive 48V DC rails. Using our isolated 12V to 48V converters, network engineers power critical communication repeaters from existing 12V generator starter packs or solar arrays with complete ground separation.
Off-Grid Commercial Solar & BESS Systems
Industrial rooftop solar installations across northern Honduras often store primary energy in modular 12V battery banks. Our boost converters bridge the gap, stepping up fluctuating 12V solar accumulator outputs into a unified 48V bus required for commercial inverters, water treatment filtration pumps, and perimeter perimeter floodlighting setups.
Tropicalized Humid Plant Operations
The Sula Valley's tropical convective storms cause severe relative humidity fluctuations. Standard open-frame converters quickly suffer from track delamination and silver migration. Eltrum's fully potted solid-state housing provides absolute hermetic sealing, impervious to sulfurous textile dye fumes, salt air intrusion from the coast, and condensation.
Grid Fluctuation Mitigation & Brownout Buffering
Local industrial zones experience sudden micro-trips and line voltage sags from the national grid. Our wide-input 12V to 48V boost regulators operate reliably down to 8.5V DC, sustaining critical 48V industrial process computing systems long enough for standby diesel generators to synchronize and take the plant load.
Macro Industry Dynamics
Market Trends: Why Choloma Demands High-Power 48V Conversion
Strategic convergence of nearshoring expansion, grid resiliency demands, and electrification across Cortés Department.
1. The Nearshoring Acceleration & Maquila Upgrades
As North American apparel and automotive harness buyers re-shore supply chains closer to the Gulf of Mexico, Choloma's industrial parks are replacing labor-intensive mechanical tooling with advanced Industry 4.0 automated machinery. These systems universally standardize on 48V DC bus architectures to comply with Safety Extra Low Voltage (SELV) regulations while quartering conductor gauge thickness compared to legacy 12V lines.
2. Transition to Distributed LiFePO4 Energy Storage
Lead-acid batteries are rapidly being replaced by Lithium Iron Phosphate (LiFePO4) chemistry across Honduran manufacturing hubs. Our 12V to 48V DC-DC converters and integrated smart chargers feature dedicated CC/CV charging curves tailored for 16S LiFePO4 configurations, ensuring optimal balancing, eliminating thermal runaway risks, and maximizing battery cycle lifespans to over 4,000 cycles.
3. Extreme Environmental Ruggedization Standards
Industrial procurement managers in Choloma are steering away from cheap commercial-grade converters. High-temperature ambient ceilings and dust accumulation inside processing mills cause unsealed electronics to fail within 6 to 12 months. The market trend now decisively favors IP68 potted converters featuring extruded aluminum alloy heat sinks capable of passive convective cooling without failure-prone mechanical fans.
Direct Maritime Logistics to Puerto Cortés
Choloma holds an unparalleled geographic advantage: it is located just 45 kilometers from Puerto Cortés, the premier deep-water seaport in Central America with direct container shipping lines from Shenzhen and Ningbo, China.
Shenzhen Eltrum Electronic optimizes your supply chain with consolidated container freight (FCL/LCL), direct customs documentation under CA-4 customs guidelines, and comprehensive technical factory warranties that safeguard your assembly line continuity.
Manufacturing Authority
Why Choose Shenzhen Eltrum Electronic Co., Ltd.
Founded in 2015, we are an onsite-verified power electronics manufacturer combining direct engineering R&D with rigorous automated production.
ISO 9001:2015 Quality Systems
Every step of converter production—from SMT surface mounting and automatic optical inspection (AOI) to vacuum resin potting—is strictly controlled under an audited ISO 9001 quality infrastructure.
100% Full-Load Burn-In Screened
We do not perform batch sampling. 100% of finished 12V to 48V boost converters undergo a comprehensive 4-hour active full-load thermal burn-in chamber test prior to packaging and dispatch.
Full OEM & ODM Customization
Our in-house firmware and hardware teams adjust output charging profiles, custom bus voltages (e.g. 52.8V, 54.4V), wiring harness assemblies, and RS485/CAN communication protocols with low MOQs.
Global Engineering Backing
With satisfied corporate partners across North America, Europe, and Latin America, our bilingual application engineers offer rapid turnaround support for your electrical sizing and validation needs.
Procurement Clarity
Frequently Asked Questions for Choloma Importers & Engineers
Detailed answers concerning technical sizing, customs delivery, environmental durability, and warranty protections.
How do I correctly calculate input cable and fuse sizes for a 12V to 48V boost converter?
Because a boost converter increases voltage by a factor of 4, the input current drawn from your 12V battery will be at least 4 times the 48V load current, divided by efficiency. For instance, delivering a 48V 10A (480W) load at 95% efficiency requires: Pin = 480W / 0.95 = 505W. At a minimum battery voltage of 10.5V DC, input current reaches 48 Amps. Therefore, engineers must install low-resistance 6 AWG to 4 AWG copper cabling and a 60A DC fuse on the 12V supply line to prevent severe voltage drop and nuisance tripping.
Can these boost modules handle the high ambient heat and humidity of Choloma maquiladoras?
Yes. Our industrial series are encapsulated using thermally conductive polyurethane or silicone potting resin with an IP68 waterproof and dustproof rating. This solid structure eliminates air pockets, protecting internal inductors, capacitors, and SMD silicon from moisture ingress, airborne textile lint, corrosive chemicals, and continuous ambient temperatures up to 85°C. For enclosed panels, derating by 20% is recommended.
What is the difference between non-isolated and isolated 12V to 48V boost converters?
Non-isolated boost converters share a common negative ground (GND) between input and output, yielding superior electrical efficiency (95–96.5%), a smaller physical footprint, and lower procurement costs. Isolated converters integrate a high-frequency transformer that completely separates input and output grounds (galvanic isolation >1500V DC). Isolated models are mandatory in telecom systems with positive-ground configurations, industrial installations prone to severe ground loops, or noise-critical audio/sensor setups.
Can a standard 12V to 48V boost converter directly charge a 48V LiFePO4 battery bank?
A standard fixed-voltage boost converter should never be connected directly to a discharged lithium battery because the battery's low internal impedance will trigger the converter's over-current protection (OCP) or cause shut-down. To charge a battery bank from a 12V alternator or source, you must select our dedicated DC-DC Battery Charger Series, which features multi-stage Constant Current / Constant Voltage (CC/CV) control curves and automatic absorption cut-offs.
What are the minimum order quantities (MOQ) and sample lead times for Honduras shipments?
Standard 12V to 48V boost converter models have a low sample MOQ starting at only 5 units, enabling industrial engineers to validate bench performance before committing to mass production. Evaluation samples typically dispatch via DHL, FedEx, or UPS air express within 3 to 5 business days. Commercial production volume orders are delivered on FOB Shenzhen or CIF Puerto Cortés maritime terms.
What international safety and quality certifications accompany your shipments?
Our converters are manufactured in strict compliance with the European Union's CE safety directives (EN 62368-1 / EN 61000-6-3) and RoHS hazardous substance restrictions. Shenzhen Eltrum Electronic Co., Ltd. operates under an audited ISO 9001:2015 quality management framework. Full certificate copies and factory inspection documentation can be provided upon request during project bidding.
Equip Your Choloma Facility with Industrial-Grade DC Converters
Get in touch directly with our power electronics application team. Send your input voltage limits, output wattage specifications, or custom charging profile requirements for rapid engineering feedback.