Featured Regulated Converters & High-Reliability Chargers
Standard and custom power supplies precision-calibrated for telecom shelters, microgrid battery storage, commercial backup gensets, and transport fleets operating in Port-au-Prince, Carrefour, Delmas, and the Gulf of Gonâve.
Smart 36V 13A Waterproof LiFePO4 DC-DC Charger (12V to 43.8V)
- Input Nominal:12V DC (10–18V Range)
- Output Voltage:43.8V CC/CV Boost
- Continuous Current:13A (570W Peak)
- Thermal Envelope:-40°C to +85°C Potted
1500W High-Power Buck-Boost Voltage Stabilizer (10–60V)
- Input Envelope:10V–60V Ultra-Wide
- Regulated Output:12V / 24V / 28V / 48V
- Power Density:1500W Dynamic Stabilization
- Control Bus:RS485 Modbus Telemetry
Isolated 18–90V to 12V 10A Industrial DC-DC Converter
- Input Voltage:18V–90V Wide DC Rail
- Regulated Output:12.0V ±1.5% at 10A
- Isolation Barrier:1500VDC Input/Output
- Deployment:Telecom & Solar Inverters
24V to 12V 100A High-Current Step-Down Buck Regulator
- Input Operational:18V–36V Commercial DC
- Continuous Amps:100A (1200W Output)
- Conversion Rate:>95.5% Synchronous
- Protection:OVP, OCP, OTP, Reverse Bias
600W IP65 Universal AC-DC LiFePO4 Fast Charger
- AC Input Range:90V–264V AC Wide Utility
- Target Chemistries:14.6V / 29.2V / 58.4V
- Efficiency Rating:94% with Active PFC
- Enclosure Ingress:IP65 Fully Sealed
30–90V Traction Input to 24V 20A Buck Power Converter
- Input Span:30V–90V (48V/60V/72V Packs)
- Regulated Output:24.0V at 20A (480W)
- Chassis Type:Cast Aluminum Heat Sink
- Target Field:Light EV, Solar Microgrids
400W B2B Intelligent Alternator-to-Battery Charger
- Source Voltage:10V–36V DC Alternator/Bank
- Output Profiles:14.6V (12V) / 29.2V (24V)
- Control Circuit:Intelligent Ignition Sense
- Application:Emergency Vehicles, Marine
12V to 48V 20A Heavy-Duty Step-Up Boost Power Unit
- Low-Side Input:9V–16V DC Low Rail
- High-Side Output:48.0V Regulated (960W)
- Peak Current:20A Continuous
- Isolation Spec:Non-Isolated High Efficiency
Mitigating Extreme Grid Instability and DC Transients in Port-au-Prince
Operating mission-critical electrical and communication hardware within the Ouest Department of Haiti demands power supplies built far beyond standard commercial thresholds. Between severe load shedding from Électricité d'Haïti (EDH), rapid voltage brownouts, unbuffered diesel generator transients, and salt-laden humid air from the Bay of Port-au-Prince, conventional off-the-shelf power equipment experiences accelerated Mean Time Between Failures (MTBF).
Severe Generator Load Dumps & Frequency Drifts
Commercial facilities and telecommunications towers across Pétion-Ville, Cité Soleil, and Tabarre rely continuously on secondary and tertiary diesel generators. When massive refrigeration or industrial water pumping loads trip offline, alternators generate massive inductive voltage spikes exceeding 250% of nominal voltage.
Eltrum regulated DC-DC and AC-DC modules integrate high-avalanche TVS suppressors, synchronous rectifier topology, and deep bulk electrolytic filtering to clamp spikes before they penetrate down-circuit ICs and microcontrollers.
Deep Sag Voltage Brownout Ride-Through
During peak evening demand periods or sudden cloud covers on commercial solar arrays, DC battery buses regularly slump below standard cut-off thresholds. In a standard 24V or 48V bank, an unconditioned drop down to 18V or 36V triggers unexpected inverter shutdown and telecommunication radio drops.
Our wide-input buck-boost topology operates down to 8V input, seamlessly stepping up and stabilizing DC rail lines to maintain flawless telemetry without draining auxiliary battery balance.
Tropical Saline & Heat Dissipation Dynamics
With Port-au-Prince positioned directly along the Caribbean seafront, electrical hardware suffers combined stresses of ambient heat reaching 38°C, relative humidity routinely surpassing 85%, and airborne chloride deposition that accelerates galvanic corrosion on unsealed circuit traces.
Eltrum utilizes vacuum potting with thermally conductive polyurethane elastomer, rated IP65/IP67. This prevents moisture ingress, protects magnetics from vibration along unpaved roads, and conducts thermal dissipation straight through the exterior alloy enclosure.
Regulated Conversion Architectures: Selection Guide
Procurement directors and electrical installation contractors in Port-au-Prince must balance electrical isolation, efficiency, and input range margins. Below is our engineering comparison for localized implementations.
| Conversion Topology | Input Flexibility | Isolation Rating | Conversion Efficiency | Recommended Deployment in Port-au-Prince |
|---|---|---|---|---|
| Buck (Step-Down) | Vin must exceed Vout by +2.5VDC | Non-Isolated (Common Ground) | 94% – 97% | Stepping down 48V/72V solar battery storage banks to 12V/24V for security surveillance, NVRs, and perimeter LED illumination. |
| Boost (Step-Up) | Vin strictly lower than Vout | Non-Isolated (Shared Return) | 92% – 95% | Raising 12V starter or auxiliary battery lines to 24V/48V for VHF/UHF repeater transmitters and satellite uplink terminals. |
| Buck-Boost (Universal) | Wide span (Vin sweeps above & below Vout) | Non-Isolated Dynamic Rail | 90% – 94% | Critical vehicle electronic systems, logistics tracking units, and mobile emergency communication centers subject to alternator cranking sags. |
| Galvanic Isolated DC-DC | Standard telecom spans (18–36V, 36–75V, 18–90V) | 1500VDC to 3000VDC Optical/Magnetic | 88% – 92% | Base transceiver stations (BTS), industrial PLCs in micro-distilleries and textile plants, preventing ground loop hum and lightning surge crossover. |
| Intelligent LiFePO4 Chargers | Wide AC (90–264V) or Dynamic DC (10–36V) | Full Safety Galvanic Isolated | 93% – 95% Active PFC | Direct connection to unstable diesel gensets or solar arrays to execute strict CC/CV 3-stage charging curves without tripping BMS modules. |
Target Application Infrastructure Across Port-au-Prince
From cellular communications to private corporate microgrids, our precision-engineered regulated power supplies deliver uninterrupted DC power across Haiti's most demanding sectors.
Telecom Cellular Towers
Mount Morne Sainte-Anne and regional repeater towers depend on our isolated 48V-to-12V/24V converters to shield remote radio heads (RRU) and microwave backhaul links from static lightning and ground potential differences.
Commercial Solar-Battery Microgrids
Hospitals, pharmaceutical facilities, and banking data centers across Bourdon and Delmas integrate our 1500W buck-boost modules to eliminate voltage dips when transferring between grid power, PV arrays, and LiFePO4 packs.
Maritime Terminal & Port Logistics
At the International Port of Port-au-Prince, cargo handling cranes, harbor tugboats, and container logistics scanners rely on our potted IP67 buck converters to withstand saline spray, salt mist, and mechanical shock.
NGO & Emergency Response Fleets
Humanitarian aid vehicles, mobile clinics, and rugged 4WD fleets utilize our smart B2B battery chargers to safely charge lithium auxiliary banks from standard alternators without overheating the primary engine electrical loom.
The Strategic Shift to LiFePO4 Chemistry in Haiti's Power Market
Industrial and enterprise consumers across Port-au-Prince are rapidly discarding legacy lead-acid and flooded deep-cycle batteries in favor of Lithium Iron Phosphate (LiFePO4). This transformation introduces unique voltage regulation imperatives that our engineering team has solved at scale.
Flat Discharge Curve vs. Strict Voltage Needs
Unlike lead-acid which gradually slopes from 12.8V down to 10.5V, LiFePO4 cells maintain a remarkably flat voltage profile (around 13.2V for a 12V pack) until dropping precipitously at 95% Depth of Discharge. This sudden cliff can destabilize legacy linear regulators.
Eltrum high-speed switching regulators continuously sample line impedance, delivering a tight ±1% line-load regulation down to the exact millisecond of low-voltage BMS disconnect.
Mitigating Direct Alternator Burnout
Connecting a lithium house pack directly to a vehicle alternator results in continuous maximum current draw because of lithium's extremely low internal resistance. In slow-moving Port-au-Prince traffic, alternator cooling fans run too slowly, quickly causing stator meltdown.
Our battery-to-battery (B2B) chargers actively limit alternator current extraction, delivering a pre-programmed CC/CV 14.6V or 29.2V charging curve that preserves alternator lifespans.
Grid Fluctuations & Inrush Current Tolerance
When EDH utility power momentarily reconnects after extended blackouts, line surges and severe phase imbalances trigger high inrush currents across downstream power supplies. Unprotected internal capacitors pop or fuse open.
Eltrum equips each industrial power supply with NTC thermistor soft-start circuits and active clamping, controlling current surge to less than 15A during initial grid reconnection.
Shenzhen Eltrum Electronic Co., Ltd.
Established in 2015, Shenzhen Eltrum Electronic Co., Ltd. is an onsite-verified ISO 9001 manufacturer specializing in buck, boost, buck-boost, and isolated DC-DC converters, alongside smart LiFePO4 battery charging modules. Exporting to over 130 countries worldwide, our engineering core was founded on mission-critical galvanic isolation.
Every unit bound for the Caribbean is produced under strict quality management processes, featuring complete thermal vacuum potting, 100% full-load burn-in testing across elevated temperatures, and buyer-label customization for OEM distributors in Haiti.
Frequently Asked Questions: Ordering & Technical Support
Engineering answers addressing logistics, customs documentation, warranty coverage, and system integration for projects in Port-au-Prince and surrounding Caribbean districts.
How do Eltrum regulated power supplies handle frequent EDH brownouts and spikes in Port-au-Prince?
Why is galvanic isolation necessary for telecom and solar sites in Haiti?
Can these converters survive the high humidity and coastal salt spray near the Port of Port-au-Prince?
What are the logistics arrangements, shipping times, and export terms to Port-au-Prince?
What is the Minimum Order Quantity (MOQ) for custom voltages and OEM label branding?
How can we integrate remote telemetry or supervisory monitoring on microgrid sites?
Accelerate Your Power Reliability in Port-au-Prince
Whether you require isolated telecom converters, heavy-duty solar buck-boost stabilizers, or waterproof LiFePO4 chargers, our Shenzhen engineering facility is equipped to deliver certified power solutions tailored to Haiti's environmental demands.