Smart 36V LiFePO4 DC-DC Charger 12V to 43.8V 13A
- Input Voltage9–16V DC Nominal
- Regulated Output43.8V DC (13A)
- Ingress RatingIP68 Full Potted
- Efficiency≥94%
Field-tested across commercial marine, off-grid telecom, and municipal utility setups. Designed with die-cast aluminum heat sinks, broad input margins, and comprehensive galvanic isolation.
Deploying electrical and conversion hardware in Central America and the Caribbean basin presents severe environmental and electrical challenges. In Belize—from the commercial port operations in Belize City and Big Creek to offshore eco-resorts on Ambergris Caye, Caye Caulker, and Placencia—power networks are subjected to heavy thermal derating, extreme ambient humidity (frequently exceeding 90% RH), corrosive maritime salt fog, and drastic utility voltage transients.
Traditional linear regulators generate excessive thermal dissipation, leading to premature thermal shutdown in ambient temperatures above 38°C. Eltrum's high-efficiency synchronous buck-boost topology solves this through active dynamic duty-cycle regulation. Utilizing high-frequency planar transformers and low RDS(on) switching power MOSFETs, our units maintain ≥94% conversion efficiency across fluctuating input windows (8V–40V and 10V–60V). When twin outboard marine alternators spike under rapid throttle modulation, or large cold-storage compressors start on a private resort microgrid, the converter’s closed-loop operational amplifiers dynamically compensate, delivering a rock-solid 12.0V, 24.0V, or 48.0V rail within 15 microseconds.
In Belizean maritime operations, electrolytic galvanic corrosion is the leading cause of hull pitting, sensor failure, and alternator destruction. Non-isolated converters bridge the negative return to chassis earth, creating continuous micro-amp ground loops through seawater when shore power or ancillary generators are engaged. Eltrum’s Isolated DC-DC series provides a complete 1500V DC dielectric barrier between input and output stages. By deploying high-permeability toroidal transformers and optocoupler-isolated feedback, the system prevents noise transmission between heavy traction motors/bilge pumps and sensitive instrumentation (such as CHIRP sounders, GPS receivers, and industrial telemetry systems).
Conformal coatings typically fail within 12–18 months in tropical marine environments due to micro-cracking caused by cyclic thermal expansion. All Eltrum waterproof units feature thermally conductive polyurethane resin injected under high vacuum. This eliminates air voids, achieves true IP68 liquid immersion protection, isolates components from salt mist oxidization, and cushions surface-mount components against marine hull vibrations and off-road corrugated terrain encountered in the Cayo and Toledo districts.
From the Barrier Reef to inland agricultural processing facilities, our hardware powers mission-critical infrastructure under demanding tropical ambient conditions.
Commercial catamarans, water taxis connecting Belize City to San Pedro, and liveaboard dive boats require seamless dual-battery isolation. Our DC-DC smart chargers prevent alternator overloads while managing 12V-to-36V electric trolling motors and navigational electronics without ground interference.
Eco-lodges across the Mountain Pine Ridge and outer cayes operate islanded solar-plus-storage platforms. Our buck-boost regulators handle voltage sags from large 48V LiFePO4 battery banks during peak refrigeration startup, supplying constant 24V and 12V rails for communications, satellite terminals, and LED safety systems.
Citrus, banana, and sugar cane operations in the Stann Creek and Orange Walk districts utilize heavy agricultural equipment. Our robust step-down converters (24V down to 12V up to 100A) step down alternator power to drive GPS field telematics, auxiliary work lighting, and field-monitoring IoT sensors.
Belize is rapidly transforming its energy profile in alignment with the National Energy Transition Strategy. This development creates clear operational imperatives for regional procurement officers and engineering directors:
Lead-acid batteries suffer severe plate degradation in Belize's continuous 30°C+ ambient environment. As golf cart fleets on Caye Caulker and off-grid solar banks migrate to LiFePO4, traditional alternator-charging circuits fail due to uncontrolled inrush currents. Intelligent CC/CV DC-to-DC multi-stage converters are becoming mandatory to prevent stator burnout.
Independent microgrids with variable high-penetration PV arrays require high-voltage DC distribution (typically 48V–90V bus lines) to minimize transmission I²R resistive heat losses. Regulators with wide 30–90V input ranges step power down locally to 12V and 24V with over 93% conversion efficiency.
Infrastructure managers monitoring cellular towers and climate-measuring hydrological stations across remote jungle terrain require digital bus feedback. Power converters equipped with RS485 interfaces deliver real-time operational voltage, temperature, and fault monitoring directly to centralized SCADA dashboards.
Technical, customs, and operational details for engineering contractors, fleet operators, and distributors importing power conversion equipment into Belize.
Founded in 2015, Eltrum combines deep engineering mastery in isolated power conversion with scalable production lines, serving commercial partners in more than 130 countries.
Galvanic isolation is our foundational engineering discipline. Our planar transformer designs and noise suppression circuitry guarantee industrial EMI/EMC compliance across rigorous telecom and mobile environments.
Operating under an ISO 9001 certified quality management framework, our facility enforces automatic SMT assembly, precision optical inspection, and 100% full-load elevated-temperature burn-in tests before packing.
From custom voltage trimming (5V to 90V), variable current configurations, and custom mounting brackets to client-branded laser engraving, we support procurement teams with rapid turnaround prototyping.
With an onsite-verified production facility spanning up to 3,000 m² and 51–100 skilled specialists, we maintain extensive raw inventory for power MOSFETs and toroidal cores, mitigating international supply chain volatility.
Contact our application engineering team today to review your electrical schematics, custom input-output requirements, and volume commercial shipping pricing to Belize.