Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- Input Voltage12V DC (Alternator/Solar)
- Output Charging43.8V CC/CV (13A)
- Ingress RatingIP68 Fully Waterproof
Precision Conversion Lineup
High-Performance Boost & Step-Up Voltage Solutions
Engineered to eliminate voltage drops, withstand high ambient humidity, and maintain stable DC buses for maritime, industrial logistics, and renewable utility nodes.
12V to 24V / 48V High-Current Boost Converter (50A)
- TopologySynchronous Step-Up
- Output Range24V (50A) / 48V (20A)
- EfficiencyUp to 96.5%
12V Step-Up to 48V Waterproof Heavy Boost (20A)
- EnclosureDie-cast Alloy Potted
- Output Rating48V DC Up to 960W
- ProtectionOVP, OCP, OTP, Short
24V to 48V Industrial Step-Up Regulator (15A)
- Nominal Input24V DC (18–32V Span)
- Output Power720W Sustained Rail
- CoolingNatural Convection Ribs
1500W High-Power Wide-Range Buck-Boost Module
- Input Span10V–60V Ultra-Wide
- Regulated Out12V / 24V / 28V / 48V
- InterfaceRS485 Digital Telemetry
Wide-Input 18–90V Isolated Converter Module
- Ground Separation1500V DC Galvanic
- Output Rail12V / 24V Fixed (120W)
- Target NodesPort Cranes, Forklifts
400W Multi-Stage DC-DC LiFePO4 Battery Charger
- ProfileSmart 3-Stage CC/CV
- Input Voltage10V–36V Alternator
- Output Setup14.6V / 29.2V / 43.8V
Heavy-Duty 9–40V to 28V Step-Up/Down Voltage Regulator
- FlexibilityBuck-Boost Bidirectional
- Current Output15A to 20A Continuous
- Custom TuningOEM Buyer Labels Accepted
Industrial Application Ecosystem
Boost Conversion Dynamics in Freeport's Coastal Infrastructure
As a global transshipment nexus and free trade powerhouse, Freeport presents unique electrical engineering demands characterized by relentless airborne saline mist, extreme thermal cycling, and heavy inductive transient loads. Modernizing vessel electrification, harbor terminal handling machinery, and island microgrids requires DC-DC step-up architectures that reject wide input oscillations while maintaining ripple-free rails for sensitive avionics, communications, and power-train assemblies.
In Freeport's maritime terminal environments, standard off-the-shelf power bricks degrade prematurely due to galvanic corrosion and thermal throttling under enclosed containment. Eltrum's boost converter topologies utilize vacuum epoxy potting inside heavy-gauge aluminum heat-sink bodies, dissipating thermal loads through conductive wall-coupling. This architectural choice prevents electrolyte evaporation within capacitors and eliminates moisture capillary ingress, providing uninterrupted mean time between failures (MTBF) exceeding 100,000 operational hours.
Maritime Fleet & Dockside Logistics
Tugboats, bunkering vessels, and yachts operating out of Freeport harbor utilize 12V or 24V starter alternator systems. Our boost modules step this fluctuating potential up to 48V and 58.4V LiFePO4 arrays, enabling modern electric winches, deep-sea sonar, and auxiliary house-bank reserves to recharge without overloading primary engine alternators.
Container Yard AGVs & Port Material Handling
Heavy port logistics equipment, automated guided vehicles (AGVs), and electric terminal tractors run on severe operating cycles. Boost converter modules step up fluctuating low-voltage DC auxiliary batteries to drive high-intensity LED mast beacons, hydraulic solenoids, and telemetry modules without experiencing brownout shutdowns during peak motor torque draws.
Island Microgrid & Solar Storage Hybridization
With Freeport prioritizing resilient microgrid distribution across industrial zones, solar PV strings with mismatched battery arrays rely heavily on Eltrum boost converters. By stepping 12V or 24V off-grid generation up to unified 48V DC bus networks, distribution wiring cross-sections are minimized, copper losses drop by up to 75%, and system efficiency peaks.
Market Intelligence
Emerging Technical Trends in Freeport's Power Conversion Sector
Procurement teams and system integrators across the Caribbean and Atlantic transshipment hubs are aligning their engineering specifications with four critical shifts.
Electrification of Marine Shore-to-Ship Power
Regulatory caps on sulfur and harbor emissions in Freeport incentivize vessels to shut down diesel auxiliary generators at berth. Compact DC-DC boost and buck-boost modules bridge dockside direct-current battery banks to vessel systems, eliminating harmonic distortion issues found in poor-quality AC inverters.
Deployment of Digital RS485 & CANbus Telemetry
Industrial operations are migrating from "dumb" analog power converters to intelligent, communicating modules. Eltrum's high-wattage boost and buck-boost series feature onboard RS485 ports, allowing operators in Freeport control rooms to monitor real-time thermal curves, input voltage drops, and peak current throughput remotely.
Strict Mandates for IP67/IP68 Potted Protection
Due to intense salt-air oxidation along Freeport's waterfront facilities, unenclosed fan-cooled modules experience short circuits within months. Sealed, polyurethane/silicone-potted converters without moving fans have become the mandatory standard across municipal, industrial, and maritime utility tenders.
Topological Benchmarking
Engineering Trade-off Matrix: Boost vs. Alternative Topologies
Ensure correct converter architecture selection before initiating custom production runs or volume orders.
| Conversion Topology | Input Voltage Span | Output Voltage Behavior | Ideal Freeport Application | Galvanic Isolation |
|---|---|---|---|---|
| Pure Boost (Step-Up) | Vin < Vout (e.g., 9V–16V) | Fixed High Rail (24V, 36V, 48V) | 12V Alternator charging 48V LiFePO4 packs, marine winches | Non-Isolated (Common Ground) |
| Buck-Boost (Stabilizer) | Wide Span crossing Vout (10V–60V) | Constant Regulated Output (12V, 24V) | Equipment requiring 12.0V stable during engine cranking surges | Non-Isolated (Common Ground) |
| Pure Buck (Step-Down) | Vin > Vout (e.g., 36V–72V) | Stepped-Down Rail (12V, 5V, 24V) | Electric forklifts stepping traction packs down for radios/lights | Non-Isolated (High Efficiency) |
| Isolated DC-DC Converter | Wide Span (18V–36V, 36V–75V) | Precision Ground-Isolated (12V, 24V) | Telecom towers, harbor cathodic protection, sensor lines | Fully Isolated (>1500V DC) |
Manufacturer Reliability
Shenzhen Eltrum Electronic: Direct-from-Factory Excellence
Founded in 2015, Shenzhen Eltrum Electronic Co., Ltd. operates an advanced manufacturing facility dedicated to solving complex DC-DC power conversion challenges. Having earned an onsite-verified status evaluated by international third-party inspection firms, our operational philosophy centers around strict quality control, agile OEM/ODM response, and deep client support.
Our engineering roots were formed in complex isolated DC-DC converters for telecom and industrial machinery. That technical discipline extends across our entire standard portfolio of 500+ models. We bridge the gap between engineering prototype validation and high-volume delivery, offering minimum order quantities starting at just 5 units for sample bench testing.
- Certified Quality Systems: Fully certified ISO 9001 quality management with comprehensive CE and RoHS compliant production streams.
- Deep OEM/ODM Customization: Custom input voltages, programmable CC/CV LiFePO4 curves, custom connectors, and bespoke extruded housings.
- Global Supply Footprint: Trusted by engineering clients across more than 130 countries spanning North America, Europe, Australia, and the Caribbean.
- 100% Full-Load Burn-In: Every individual boost module passes thermal chamber validation, high-potential dielectric stress, and dynamic load testing.
Procurement Answers
Frequently Asked Questions for Freeport Buyers
Clear, direct insights addressing logistics, environmental resistance, and electrical specifications.
How do Eltrum boost converters handle Freeport's humid, coastal marine climate?
Our converters engineered for coastal use feature full internal potting utilizing high-grade thermal silicone or epoxy resins. This forms an impermeable barrier against airborne moisture, salt spray corrosion, and particulate contamination, achieving IP67 or IP68 ingress protection. Furthermore, the external casing is formed from anti-corrosive anodized aluminum with stainless steel ground terminal hardware.
What is the typical Minimum Order Quantity (MOQ) and lead time for shipments to Freeport?
To facilitate engineering bench evaluation and trial installations, standard boost converter models have a low MOQ of just 5 units. Volume production orders typically require 2 to 3 weeks for SMT assembly, automated potting, and 100% full-load burn-in testing. Shipments can be routed via air express for urgent requirements or consolidated ocean freight via Miami/Port Everglades directly into Freeport Harbor.
Can these boost modules charge 48V LiFePO4 batteries directly from a 12V or 24V boat engine alternator?
Yes. Standard unregulated boost converters should never be directly coupled to lithium batteries without charge management. However, our dedicated DC-DC Boost Battery Charger series (such as our 12V to 43.8V and 12V to 58.4V models) incorporates micro-controlled Constant Current / Constant Voltage (CC/CV) profiles specifically tuned for LiFePO4 chemistry. This prevents alternator thermal burnout while ensuring lithium cell overcharge protection.
Do you accommodate custom voltage ratios, specific mounting brackets, or buyer labeling (OEM)?
Shenzhen Eltrum Electronic Co., Ltd. provides full OEM/ODM engineering services. We frequently adjust input spans, output setpoints, current limiting thresholds, and wire pigtail connectors (such as Anderson Powerpole, Deutsch, or M12 waterproof connectors). Custom silkscreening, buyer part numbering, and branded private-label packaging are readily supported for distributors and regional system integrators.
What international electrical certifications accompany each export consignment?
All converter series are manufactured in an ISO 9001 certified facility and carry full CE and RoHS compliance documentation. Certificates of Conformance (CoC), full technical datasheets, and factory burn-in test reports are provided on request to facilitate smooth customs clearance through the Grand Bahama Port Authority and customs borders.
What payment terms and transaction methods are available for Caribbean accounts?
We accept standard international wire transfers (T/T), PayPal for sample evaluations, and Escrow platforms in USD or CNY currencies. Delivery options include FOB Shenzhen, CIF Freeport, or EXW facility pickup according to your supply chain preferences.
Power Your Freeport Project with Proven Industrial Converters
Connect directly with our senior power supply engineers in Shenzhen. Whether you need standard high-power boost modules or custom-engineered voltage stabilization platforms, we respond promptly with comprehensive datasheets and competitive factory-direct pricing.