Smart 36V 13A Waterproof LiFePO4 Charger
- Input Voltage12V DC nominal
- Output Profile43.8V CC/CV · 13A
- ProtectionIP67 Fully Sealed
- ApplicationEV, AGV & Golf Cart
Export Inventory
Precision Battery Chargers & Converters for Soyapango Enterprises
Engineered to withstand the demanding thermal cycles, voltage variances, and particulate-heavy atmospheres common to industrial parks like San Bartolo. Explore our high-efficiency AC-DC and DC-DC power electronics.
600W Industrial AC-DC Lithium Charger
- Input AC90V–264V 60Hz
- Output Ranges14.6V / 29.2V / 58.4V
- Thermal Rating-30°C to +65°C
- TopologyHigh-Efficiency LLC
12V–48V Multi-Voltage Fleet Charger
- EnclosureAluminum Die-Cast
- Power Output600W Continuous
- Efficiency>94% Peak
- ProtectionOVP, OCP, OTP, Polarity
300W Heavy-Duty Marine & Solar Charger
- ChemistryLiFePO4 & Ternary Li
- Input Line100V–240V AC Mains
- Vibration Res.MIL-STD-810G Spec
- CoolingConvection Passivated
400W DC-DC Battery-to-Battery Charger
- Input Voltage10V–36V Wide DC
- Output Profiles14.6V / 29.2V / 43.8V
- AlternatorEuro 6 / Smart Safe
- InterfaceIgnition Line Trigger
1500W Dynamic Buck-Boost Stabilizer
- Input DC10V–60V Non-Isolated
- Output Rail12V / 24V / 28V / 48V
- Bus ProtocolRS485 Modbus RTU
- Max Output1500W Dynamic Load
24V to 12V 100A Heavy-Duty Buck Converter
- Input Bus18V–35V Truck System
- Regulated Out12V / 13.8V · Up to 100A
- Efficiency96% Synchronous Rect.
- HousingRugged IP68 Potted
18V–90V Ultra-Wide Isolated Converter
- Input DC Range18V–90V Ultra-Wide
- Isolation1500VDC Galvanic Barrier
- Output Power12V / 24V Regulated 120W
- CertificationsCE / RoHS Compliant
Technical Whitepaper
Engineering Power Conversion for Industrial Soyapango: A Structural Analysis
Overcoming electrical harmonic distortions, tropical humidity, and battery degradation in Central America's core logistics and light manufacturing corridor.
Soyapango stands as the undisputed industrial heartbeat of the San Salvador Metropolitan Area (AMSS). As the center for textiles, light assembly, food and beverage processing, and intra-regional logistics, local plants demand continuous, high-duty-cycle electrical stability. The shift from traditional lead-acid deep-cycle banks to Lithium Iron Phosphate (LiFePO4) chemistry offers significant energy density and cycle longevity advantages. However, deploying lithium storage in Soyapango presents specific electrical engineering challenges that off-the-shelf commercial chargers cannot address.
The municipal grid across San Salvador's eastern peri-urban zones regularly experiences voltage sags, surge transients, and frequency fluctuations during heavy industrial shifts. When charging high-capacity battery banks, an unregulated or poorly filtered AC-DC charger transfers harmonics into delicate battery management systems (BMS), causing premature MOSFET lockouts, cell balancing failures, and thermal runaway risks. Shenzhen Eltrum Electronic Co., Ltd. resolves this vulnerability through active Power Factor Correction (PFC > 0.98) coupled with multi-stage resonant LLC half-bridge converter architectures. This design maintains exact Constant Current/Constant Voltage (CC/CV) precision regardless of mains sag down to 90V AC or spikes up to 264V AC.
Engineering Note: Eliminating Dual-Battery Cross-Drain in Fleet Logistics
In distribution fleets navigating the Pan-American Highway between Soyapango, Ilopango, and the Port of Acajutla, alternators frequently face destructive overload when coupled directly to low-internal-resistance LiFePO4 house banks. Eltrum’s DC-DC battery chargers utilize microprocessor-controlled buck-boost stages that dynamically restrict alternator draw while elevating charging voltage to exact absorption levels (14.6V or 29.2V), safeguarding alternator stator windings from burnout during low-speed congestion.
Furthermore, Soyapango's climate—characterized by humid tropical weather and airborne dust particulates from dense urban industrial traffic—demands rigorous physical ingress protection. Standard ventilated chargers suffer fan failure and dust accumulation across heatsinks within months of continuous operation. Our full catalog of exported chargers for Soyapango employs vacuum-encapsulated thermal silicone potting inside die-cast aluminum alloys, delivering certified IP65 and IP67 ratings that eliminate moisture ingress, corrosion, and conductive dust accumulation.
Industrial Deployment
Localized Applications Across Soyapango's Commercial Sectors
Field-proven deployments addressing the specialized operational profiles of manufacturing, warehouse automation, cold-chain transport, and telecommunications.
Intra-City Logistics & Distribution Fleets
Soyapango houses the major logistics hubs supplying San Salvador. Our 12V and 24V DC-DC smart chargers prevent alternator strain in delivery box trucks, powering auxiliary tailgates, refrigeration units, and telematics systems with zero risk of depleting the primary engine-starting battery.
Zona Franca San Bartolo Manufacturing
Within export processing zones, automated guided vehicles (AGVs), electric tuggers, and material handling systems require fast charging during brief shift changes. Our 600W and 1000W waterproof chargers deliver high-amperage CC/CV charging curves tailored to multi-cell lithium banks, ensuring uninterrupted manufacturing lines.
Telecom Infrastructure & Commercial Microgrids
Repeater stations and perimeter security installations throughout high-density urban zones rely on solar-battery microgrids. Eltrum's 18V–90V wide-input isolated converters and buck-boost modules isolate sensitive digital radios from noisy traction motors and inductive generator surges.
Market Dynamics
Soyapango & El Salvador: Industrial Trends Driving Power Conversion
Strategic macro developments reshaping electrical purchasing requirements for Central American original equipment manufacturers and procurement agents.
Accelerated Fleet Electrification Under CAFTA-DR
Nearshoring initiatives across Central America have led manufacturing plants in Soyapango to expand production for export to North America. To meet corporate ESG mandates and counter regional diesel costs, warehouse operators are systematically retiring lead-acid forklifts in favor of fast-charging LiFePO4 packs, driving demand for intelligent, high-efficiency charging infrastructure.
Grid Decoupling & Solar-Storage Resiliency
Industrial consumers along the Boulevard del Ejército corridor face peak-demand tariffs and local brownout challenges during torrential rainy seasons. Commercial facilities are increasingly integrating rooftop photovoltaic arrays with 48V battery backup banks, requiring bi-directional stability and isolated DC-DC step-down converters to run internal instrumentation safely.
Shift to Fully Sealed, Fanless Power Architectures
Maintenance engineers in Soyapango's food processing, bottling, and corrugated packaging sectors are abandoning fan-cooled chargers. Industrial air laden with fibers and moisture regularly causes fan seizures. Sealed, thermally conduction-cooled charging units have become the standard procurement requirement to eliminate unscheduled line shutdowns.
Engineering Matrix
Standard Charger & Converter Specifications
Reference data for systems integrators and engineering departments specifying imports into Soyapango.
| Model Series | Input Voltage | Nominal Output | Efficiency | Ingress Rating | Control Protocol | Direct Inquiries |
|---|---|---|---|---|---|---|
| ELT-CHG-3613W | 10V–36V DC | 43.8V CC/CV (13A) | ≥93.5% | IP67 Waterproof | Ignition Sensor | Quote Specs |
| ELT-AC600-XX | 90V–264V AC 60Hz | 14.6V / 29.2V / 58.4V | ≥94.0% | IP65 Sealed | Dual-Color LED Status | Quote Specs |
| ELT-BB1500-48 | 10V–60V DC | 12V / 24V / 48V (Up to 1500W) | ≥95.2% | IP68 Conformal | RS485 Modbus RTU | Quote Specs |
| ELT-ISO-1890-12 | 18V–90V DC Wide | 12.0V Regulated (10A) | ≥91.0% | IP67 Enclosed | Galvanic (1500VDC) | Quote Specs |
| ELT-BCK-2412-100 | 18V–35V DC | 13.8V Float (100A Max) | ≥96.0% | IP68 Potted | Sense Feedback Line | Quote Specs |
Export Traceability
End-to-End Quality Engineering: From Shenzhen to El Salvador
Rigorous validation ensures that every unit clearing customs in El Salvador performs reliably under heavy operational loads.
1
DFM Review
Customizing electrical topologies, CC/CV voltages, and wiring harnesses to Salvadoran industrial standards.
2
SMT Surface Mount
Automated high-speed placement of military-grade silicon MOSFETs, capacitors, and microcontrollers.
3
Vacuum Potting
Precision polyurethane/silicone potting to ensure complete resistance to shock, vibration, and humidity.
4
Full-Load Burn-In
100% automated 4-hour high-temperature chamber burn-in under maximum current capacity to eliminate infant mortality.
5
Export Logistics
Protective export packaging, customs compliance documentation, and air/sea dispatch directly to El Salvador.
Enterprise Credentials
Why Soyapango Industrialists Partner with Shenzhen Eltrum
Shenzhen Eltrum Electronic Co., Ltd. has established itself as an authoritative manufacturer in switch-mode power supply engineering. Operating from our Shenzhen factory, our engineers specialize in difficult electrical environments where off-the-shelf power equipment repeatedly fails.
Our competitive advantage lies in deep customization: we can modify charge termination voltages down to a 0.05V tolerance, alter CAN bus or RS485 communication protocols to integrate seamlessly with your internal fleet monitoring systems, and supply customized buyer-label branding directly on CNC machined or cast aluminum enclosures.
Procurement Knowledge Base
Frequently Asked Questions by Industrial Buyers in Soyapango
Clear, direct answers regarding customs clearance, technical parameters, tropical protection, and sample orders.
What is the standard lead time and shipping route to Soyapango, El Salvador?
For standard catalogue models (including 12V, 24V, and 36V chargers), sample validation batches of 5 to 50 units dispatch from our Shenzhen facility within 3 to 7 working days. Freight can be handled via air express (DHL/FedEx) arriving at Monseñor Óscar Arnulfo Romero International Airport (SAL) in approximately 5 to 8 transit days. Volume container orders ship via sea to the Port of Acajutla, followed by direct bonded transport along the CA-8 highway straight into Soyapango industrial parks, with sea freight typically taking 24 to 32 days.
Are Eltrum AC-DC battery chargers fully compatible with El Salvador’s 60Hz power grid?
Yes. All our exported AC-DC chargers feature wide universal input ranges (90V–264V AC, 50Hz/60Hz compatible). In Soyapango, where 120V single-phase or 240V split-phase 60Hz systems are standard, our internal active PFC stages ensure stable, high-efficiency conversion despite localized voltage spikes, surges, or temporary frequency dips during regional electrical storms.
How do your chargers protect against tropical humidity and industrial dust in Soyapango?
Unlike generic fan-cooled commercial power supplies, our industrial units feature IP65, IP67, and IP68 sealed protection ratings. We fill the interior cavities with a specialized, high-thermal-conductivity organic silicone potting compound. This shields sensitive Surface Mount Devices (SMD) and magnetic cores from oxidation, airborne moisture, high ambient humidity (regularly exceeding 85% in San Salvador), and abrasive factory particulates.
Can you calibrate charge curves for proprietary LiFePO4 Battery Management Systems (BMS)?
Yes. As an OEM manufacturer, we regularly provide factory-calibrated charging profiles. If your packs utilize prismatic or cylindrical LiFePO4 cells with specific upper cutoff requirements (such as 14.2V vs 14.6V for 4S packs, or 54.75V vs 58.4V for 16S packs), our firmware engineers will program and lock the precise constant-current, constant-voltage, and float-voltage transition thresholds before shipping.
What is the minimum order quantity (MOQ) for engineering samples?
We support industrial engineering evaluations with low MOQs starting at just 5 units for most standard chargers and DC-DC converters. Selected heavy-duty isolated models and 1500W units are available for single-unit sample evaluation to facilitate prototype integration before committing to full production runs.
What international compliance certifications are provided for El Salvador import customs?
All Eltrum power modules and chargers are certified under European CE directives (EMC EN 55032 / LVD EN 62368-1) and RoHS standards, manufactured under an ISO 9001:2015 quality management system. Complete test reports, certificates of conformity, and commercial customs documentation are issued with every shipment to guarantee swift customs processing at Salvadoran ports of entry.