Smart 36V Lithium Battery Charger DC 12V to DC 43.8V 13A Boost Unit
- Input VoltageDC 12V (10–36V)
- Boost OutputDC 43.8V @ 13A
- ProtectionIP67 Fully Potted
- TargetEV, RV & E-Bike Packs
Direct Factory Catalog
Precision Boost & Step-Up Converters for Granada OEMs & Field Integrators
Engineered for extreme thermal resistance and maximum conversion efficiency. Verified for solar step-up arrays, auxiliary battery banks, and electric mobility systems operating under harsh Mediterranean and alpine conditions.
DC-DC Heavy Duty 12V to 24V / 48V High-Current Step-Up Module
- Input Voltage9–16V DC Wide
- Output Power24V 50A / 48V 20A
- Peak Efficiency>96% Synchronous
- HousingExtruded Aluminium
Waterproof 12V to 48V Boost Converter 12.5A–20A for Marine & Solar
- Input Voltage10–30V DC Auto
- Boost Output48V Fixed Stable
- Thermal Rating-40°C to +85°C
- EnclosureIP68 Potted Seal
24V to 48V 10A–15A DC-DC Step-Up Voltage Booster for Telecom
- Input Nominal24V (18–32V DC)
- Regulated Output48VDC Constant
- Rated Power480W – 720W Max
- StandardsCE, RoHS Certified
1500W Dynamic High-Power Boost / Buck-Boost Controller with RS485
- Input Range10–60V DC Ultra-Wide
- Output Options12V / 24V / 28V / 48V
- ProtocolModbus / RS485
- CoolingSmart Thermo-Controlled
DC 10–44V High-Amp Step-Up / Step-Down Stabilizer (Up to 60A)
- Input Tolerance10–44V Continuous
- Rated Current50A – 60A Solid
- TopologySynchronous Switcher
- ApplicationMobile Machinery & Agri
8–40V Multi-Voltage Step-Up / Down Regulator 25A–30A (414W)
- Input Range8–40V (Cranking Safe)
- Regulated Output13.8V / 24V Factory Set
- Ripple & Noise<50mVp-p Low EMI
- CertificationCE, RoHS, ISO9001
Custom OEM/ODM Boost Converter Specifications (Granada Batch Delivery)
- Custom Inputs5V up to 90V DC
- Custom Outputs12V, 24V, 36V, 48V, 72V
- Prototyping5 Units Sample MOQ
- EngineeringDirect Shenzhen R&D Team
500+
Standard Power Topologies
130+
Countries & Global Regions Served
96.4%
Peak Boost Efficiency Measured
5 pcs
Low OEM Engineering Sample MOQ
Technical White Paper
Engineering Architecture: Sourcing DC-DC Boost Converters for Granada's Unique Power Landscape
Granada represents one of Southern Europe's most dynamic and demanding testing grounds for high-performance DC power electronics. Situated between the high-altitude climatic extremes of the Sierra Nevada mountain range and the scorching, sun-drenched plains of the Vega de Granada, local commercial equipment requires robust, thermal-shock resistant boost conversion topologies that consistently surpass conventional consumer-grade benchmarks.
In electrical engineering terminology, a DC-DC Boost Converter (Step-Up Chopper) is fundamentally tasked with accepting an unstabilized, low-voltage direct current rail—such as that produced by a drooping 12V battery bank or fluctuating low-voltage photovoltaic strings—and stepping it up to a higher, tightly regulated potential such as 24V, 36V, 48V, or 58.4V. For hardware developers, system integrators, and agricultural automation engineers in the Province of Granada, selecting an offshore manufacturing partner requires far more than comparing surface catalog pricing; it demands a deep evaluation of switching frequency optimization, thermal dissipation architecture, galvanic isolation barriers, and magnetic core saturation limits.
Synchronous Rectification
Replacing standard Schottky freewheeling diodes with ultra-low RDS(on) MOSFETs reduces conduction drop from 0.5V to tens of millivolts. This ensures continuous 95–97% electrical efficiency even when boosting low 12V inputs under heavy 30A+ draw.
Severe Ambient Derating
Andalusian summers frequently breach 42°C in low valleys, while mountain repeater stations endure freezing Sierra Nevada winters. Our solid polyurethane vacuum potting and extruded finned cases ensure unbroken operation from -40°C to +85°C.
Strict CE & EMC Compliance
Granada projects must conform rigorously to European Union Low Voltage Directive (LVD) and Electromagnetic Compatibility (EMC) regulations (EN 61000-6-3 / EN 55032 Class B), preventing radio interference across municipal and telemetric sensors.
Local Application Scenarios Across the Granada Province
The practical deployment of DC step-up topology throughout Granada bifurcates into distinct regional ecosystems, each governed by specialized mechanical and electrical constraints:
1. High-Density Agricultural Automation (Vega de Granada & Montes Orientales): Modern olive, almond, and intensive greenhouse operations employ distributed IoT telemetry, automated drip solenoid valves, and remote fertilizer injection pumps. These substations commonly rely on 12V solar buffering. Stepping this up to 24V or 48V allows field cables to run hundreds of meters across orchards without intolerable I²R line resistance losses or localized voltage drops.
2. High-Altitude Telecom & Weather Telemetry (Sierra Nevada National Park): Alpine environmental sensors and wireless microwave backhauls located above 2,000 meters altitude face severe sub-zero thermal cycling and thinned convective airflow. Our boost converters feature hermetically potted silicon elastomeric compounds that mitigate thermal shock while safeguarding internal SMD ferrite cores from atmospheric condensation and frost expansion.
3. Eco-Tourism, RV Dual-Battery & Vanlife Overlanding (Alpujarras & Costa Tropical): Campervans navigating rural mountainous switchbacks demand seamless battery-to-battery boost charging. Standard vehicle smart alternators drop to lower potentials when cruising; our dynamic DC-DC boost modules step up varying 11–13V starter alternator feeds into precise 14.6V or 29.2V constant-current/constant-voltage (CC/CV) LiFePO4 absorption profiles, guaranteeing rapid recharge cycles without alternator burnout.
Granada Field Topology Matrix: Boost vs. Alternative Switching Regulators
| Conversion Topology | Typical Voltage Boundary | Local Granada Application Focus | Efficiency Rating | Key Engineering Note |
|---|---|---|---|---|
| Pure Step-Up Boost | 12V In → 24V, 36V, 48V Out | Orchard telemetry, 48V LED high-masts, e-bikes | 94% – 97% | V_in must never surpass configured V_out setpoint. |
| Universal Buck-Boost | 9–40V In → 12V or 24V Regulated | Automotive cranking recovery, mixed solar batteries | 91% – 94% | Smooth 4-switch transition when battery voltage crosses rail. |
| Galvanically Isolated Boost | 18–36V In → 48V Isolated Out | Alpine telecom relays, cathodic protection systems | 89% – 93% | High-frequency planar transformer breaks noisy ground loops. |
| CC/CV Boost Battery Charger | 12V Alternator → 29.2V / 58.4V Pack | LiFePO4 conversion in tour buses, campervans, forklifts | 93% – 96% | Microprocessor profile with pre-charge and float cutoffs. |
Emerging Electrification Trends in Andalusia & Procurement Drivers
Under European Green Deal initiatives and Andalusia's Regional Energy Strategy (Estrategia Energética de Andalucía 2030), decentralized power distribution is surging. Industrial buyers across Granada are actively replacing inefficient legacy linear regulators and unreliable generic step-up converters with intelligent, digitally managed power modules. Key technological shifts include:
- Integration of RS485 / Modbus Protocols: Field engineers require remote diagnostic monitoring to track real-time input currents, rail degradation, and internal temperature without physical site dispatches.
- Wide Input Tolerances for Lithium Chemistries: Transitioning from heavy lead-acid tractor batteries to high-voltage LiFePO4 packs demands wide input windows capable of accommodating cell charge swings between 10.0V (deep discharge) and 14.6V (absorption).
- Standardization of IP68 Submersible Sealing: Due to sudden torrential runoff during spring snowmelts in the Sierra foothills, outdoor agricultural enclosures are prone to internal humidity condensation; fully vacuum-potted enclosures have become non-negotiable.
Direct From Shenzhen Factory
Why Granada Engineers & Distributors Partner with Shenzhen Eltrum
Founded in 2015, Shenzhen Eltrum Electronic Co., Ltd. combines an onsite-verified 3,000m² manufacturing facility with advanced R&D engineering to supply tier-1 DC-DC converters worldwide.
Shenzhen Manufacturing Facility · Est. 2015
Automated SMT & Pick-and-Place
100% Full Load Thermal Burn-In
Complete OEM/ODM Control From Silicon to Enclosure
Unlike trading intermediaries or white-label repackagers, Eltrum controls every step of production. Our team of 51–100 skilled technicians and power electronics design engineers operate under an ISO 9001 certified quality management system.
- Bespoke Voltage Tuning: Custom input/output pairs (e.g. 10–30V to 36V, 43.8V, or 56V) calibrated at component-level for specific Granada motor or battery BMS profiles.
- Rapid Prototyping from 5 Pcs: Low batch minimums empower your engineering team to validate prototypes in Andalusian field tests before issuing commercial volume orders.
- Total Environmental Potting: High-grade polyurethane elastomer vacuum dispensing ensures total void-free fill, giving our products genuine IP68 submersible protection.
- Export Logistics Expertise: Smooth delivery into Spanish logistics routes (via Madrid Barajas or direct maritime to Valencia/Algeciras) with compliant customs documentation, CE Declaration of Conformity, and RoHS dossiers.
Purchasing & Engineering Clarifications
Frequently Asked Questions by Granada Procurement Teams
Straightforward answers regarding import logistics, thermal limits, MOQs, and wiring practices for Spanish industrial buyers.
How do high summer ambient temperatures in Granada affect boost converter sizing?
In ambient environments exceeding 40°C—common in southern Spain—all switchmode power converters experience an upward shift in thermal equilibrium. While Eltrum modules use industrial-grade 105°C and 125°C rated Japanese solid capacitors and low RDS(on) MOSFETs, we advise calculating a 20–25% continuous derating factor if installing units inside non-ventilated outdoor enclosures. For instance, if your Granada agricultural sensor network requires a constant 10A at 24V, sourcing a 12A–15A rated converter guarantees the internal junctions remain well beneath thermal breakdown thresholds.
What is the minimum order quantity (MOQ) for custom voltage boost converters to Spain?
Standard models from our catalog of 500+ designs are available starting from just 5 units, permitting rapid lab validation and vehicle bench testing. For semi-custom units (such as tailored voltage trimmer settings, modified harness lengths, or specialized waterproof connectors like Deutsch or Anderson plugs), prototype runs are typically supported from 10–20 units, transitioning to 50–100 units for mass OEM production.
Why must I calculate minimum input voltage when sizing input wiring on a boost converter?
Because a boost converter operates on constant-power conversion principles ($P_{in} \approx P_{out} / \eta$), the lowest input voltage corresponds directly to the maximum input current. For example, if supplying a 48V, 10A load (480W) with an efficiency ($\eta$) of 95%, total required input power is ~505W. When a 12V battery bank drops under heavy discharge to 10V, input current peaks at $505\text{W} / 10\text{V} = 50.5\text{A}$. Cabling and upstream fuses must be sized for this peak 50.5A draw, rather than nominal 12V current, to avoid dangerous voltage drop and thermal runaway across input terminals.
Do Eltrum converters meet Spanish and European Union electrical compliance standards?
Yes. All converter series manufactured at our facility conform to European Union CE directives, specifically including EN 61000-6-1 / EN 61000-6-3 for electromagnetic immunity and emissions, and RoHS directives preventing heavy metal contamination. Complete test reports and CE Declarations of Conformity (DoC) can be furnished directly to your import agent or certification auditor upon request.
Can a DC boost converter be utilized directly as a battery charger for LiFePO4 cells?
A standard non-charger boost converter outputs a constant voltage rail without a secondary constant-current (CC) limit. If connected to a discharged battery pack, it will attempt to deliver peak current, which will trigger over-current shutdown. However, Eltrum manufactures dedicated DC-DC Boost Battery Chargers (such as our 12V to 43.8V and 12V to 29.2V models) equipped with an intelligent two-stage or three-stage CC/CV profile, ensuring battery cells charge safely without damaging the converter or vehicle alternator.
What payment, currency, and incoterms options are offered for Spanish business accounts?
We support wire transfers (T/T), PayPal for sample evaluations, and secure trade escrow transactions in EUR, USD, or CNY. Standard dispatch terms include EXW (Shenzhen factory), FOB Shenzhen/Hong Kong, or door-to-door DDP air express (via DHL, FedEx, or UPS) directly to your Granada warehouse, handling Spanish customs clearance seamlessly.
Plan Your Next Power Conversion Project with Eltrum Engineers
Whether you need high-power boost converters for Granada solar projects, off-grid telemetry in the Sierra Nevada, or dual-battery vehicle fleets, our Shenzhen engineering facility provides unmatched factory-direct precision, competitive OEM economics, and sample dispatch within 3–5 working days.
Send an Inquiry