Smart 36V LiFePO4 Charger 12V to 43.8V 13A
- Input Voltage12V DC (Nominal)
- Output Voltage43.8V DC (13A)
- ProtectionIP67 Waterproof
Direct Factory Supply
Engineered DC-DC Battery Chargers & Precision Converters
Verified hardware platforms with multi-stage CC/CV lithium profiles, alternator smart-sensing, and full galvanic isolation available for Houston system integrators and fleet operators.
400W DC-DC Charger for Dual Battery Banks
- Input Range10V – 36V DC
- Output Profile14.6V / 29.2V CC/CV
- EnclosureAnodized Aluminum
1500W Buck-Boost Converter with RS485
- Wide Input10V – 60V DC
- Output Rails12V / 24V / 28V / 48V
- Control BusRS485 Telemetry
Isolated 18-90V to 12V 10A Power Module
- High Voltage In18V – 90V Continuous
- Regulated Out12V DC (120W)
- Isolation>1500V Galvanic
24V to 12V 100A Heavy-Duty Buck Converter
- TopologySynchronous Buck
- Continuous Amps85A – 100A Output
- EfficiencyUp to 96%
600W Waterproof LiFePO4 Charger
- AC Range90V – 264V AC Mains
- Preset DC14.6V / 29.2V / 58.4V
- EnvironmentalIP65 Sealed Body
12V to 48V High-Current Boost Converter
- Step-Up Range12V DC to 48V Rail
- Output Amps15A – 20A (960W)
- Potted TechSilicone Thermal Fill
10-44V to 12V 60A Dynamic Voltage Stabilizer
- Wide Fluctuations10V – 44V DC Input
- Clamped Rail12V Steady at 60A
- ApplicationAlternator Sag Protection
500+
Standard Power Topologies
ISO 9001
CE / RoHS Certified Plant
130+
Global Export Territories
5 pcs
Flexible Validation MOQ
Technical Whitepaper: Solving Heavy-Duty DC Power Demands in the Houston Industrial Corridor
As the fourth-largest metropolitan economy in the United States and the undisputed energy capital of North America, Greater Houston presents unique operational challenges for off-grid power systems, utility fleets, commercial marine vessels along the Houston Ship Channel, and mobile petrochemical field assets. Sourcing reliable DC DC battery charger suppliers for Houston demands far more than catalog drop-shipping; it requires thermal-hardened, electronically isolated, and chemistry-adaptive voltage converters engineered to handle extreme environmental stressors.
Modern mobile and stationary applications across Harris, Montgomery, and Fort Bend counties have accelerated their departure from conventional flooded lead-acid and AGM chemistries toward high-density Lithium Iron Phosphate (LiFePO4) and advanced lithium NMC storage. While lithium chemistry provides unmatched cycle lifespans (3,000–5,000 cycles) and depth of discharge (DoD) above 80%, its exceptionally flat discharge voltage curve and near-zero internal resistance expose conventional alternators to destructive thermal runaways.
The Alternator Burnout Threat in Euro 5/6 and Smart Alternator Fleets:
Without active current limiting and multi-stage voltage transformation, an unmanaged lithium house battery attempts to draw unrestricted amps from vehicle alternators at low engine idle speeds. In ambient Gulf Coast heat regularly exceeding 100°F (38°C) with 85% relative humidity, alternator internal cooling fans stall in airflow, resulting in winding stator insulation breakdown. An intelligent DC-DC battery charger is the essential buffer that regulates source input draw while delivering precise CC/CV charge stages.
Eltrum’s proprietary conversion architectures—spanning non-isolated synchronous buck converters, high-ratio boost units, and automatic four-switch buck-boost regulators—enable complete operational reliability from raw DC sources varying from 8V to 90V. Whether stabilizing sensitive telemetry on offshore production platforms or charging 36V electric commercial lawn fleets in The Woodlands, our designs eliminate common failure points seen in off-the-shelf commercial hardware.
| Architecture Topology | Dynamic Input Window | Output Voltage Regulation | Full-Load Efficiency | Houston Operating Scenarios |
|---|---|---|---|---|
| Automatic Buck-Boost | 10V – 44V DC / 10V – 60V DC | 12.6V, 14.6V, 24.0V, 28.0V (±1%) | 94.5% – 96.2% | Service trucks, utility bucket trucks with severe alternator cranking sag (down to 8.5V). |
| Galvanically Isolated Buck | 18V – 90V DC Continuous | 12.0V, 24.0V Ground-Separated | 91.0% – 93.8% | Offshore platform SCADA, Houston Ship Channel tugs, petrochemical plant hazardous areas. |
| Synchronous Step-Up (Boost) | 10V – 15V DC Standard Aux | 29.2V, 43.8V, 58.4V LiFePO4 | 95.0% – 96.8% | Electric marine trolling banks, 36V commercial groundskeeping equipment charged from 12V vans. |
| High-Current Pure Buck | 24V, 48V, 72V Traction Rail | 12.0V / 13.8V up to 100A | 96.5% peak | Electric forklifts in logistics centers, municipal bus communication gear, golf carts. |
All units feature vacuum-pressure resin potting rated to IP67/IP68 ingress protection standards. This potting protects inner planar transformers, MOSFET switches, and microcontroller sensing circuits from conductive saltwater fogs off Galveston Bay and corrosive airborne sulfur particulates commonly encountered near oil refining infrastructures along the Texas Gulf Coast.
Deployment Matrix
High-Reliability Applications Across the Houston Metropolitan Area
Targeted power conversion platforms delivering steady DC bus voltages across Texas's most demanding environmental conditions.
Houston Ship Channel & Marine Operations
Tugboats, crew transfers, and commercial barges running between Galveston and the Port of Houston require isolated DC-DC chargers to decouple auxiliary electronics from noisy DC alternator buses, avoiding catastrophic electrolysis hull corrosion.
Petrochemical & Refinery Telemetry
Remote telemetry units (RTUs), flare monitoring systems, and explosion-proof enclosures in Baytown and Pasadena facilities use our 18–90V wide-input isolated converters to maintain safe, steady DC power rails across variable battery banks.
Grid Resiliency & Severe Storm Backup
Following hurricane disruptions and ERCOT grid stress, emergency communications vans, solar mobile generators, and municipal emergency trailers rely on our buck-boost chargers to charge LiFePO4 caches directly from portable solar or vehicle alternators.
Houston DC-DC Power Technology & Market Growth Trends
As Texas transitions through massive commercial electrification programs, procurement strategies for DC-DC power electronics are evolving rapidly. Three macro trends dominate purchasing cycles in the Houston B2B power sector:
1. Convergence to 48V Architecture: Driven by energy loss reductions (I²R losses drop by 75% compared to 12V systems), Houston-based logistics warehouses in Northwest Harris County and commercial work-truck builders are transitioning directly to 48V nominal traction and house banks. DC-DC converters are universally needed to bridge this high-voltage bus back down to standard 12V lighting, computing, and communications equipment.
2. Telemetry and Remote Diagnostics (RS485/CANbus Integration): Modern industrial fleets require real-time state-of-charge (SoC), operational temperatures, and fault log verification. Eltrum’s high-power WG-12C800M and 1500W converter series support RS485 communication protocols, allowing Houston system integrators to stream conversion metrics into centralized telematics gateways.
3. Decarbonization of Commercial Municipal & Lawn Fleets: Municipal regulations throughout Texas suburbs are mandating low-emission commercial landscaping and maintenance equipment. Landscaping contractors are outfitting 12V service trailers with our 12V-to-43.8V and 12V-to-58.4V step-up boost chargers to safely recharge 36V and 48V electric mowers while en route between job sites.
Enterprise Manufacturing
Engineered by Shenzhen Eltrum Electronic Co., Ltd.
Established in 2015, Shenzhen Eltrum Electronic Co., Ltd. operates a state-of-the-art facility serving commercial clients in more than 130 countries worldwide.
Shenzhen Eltrum Electronic Co., Ltd. specializes in the research, design, and volume manufacturing of high-reliability DC-DC converters, LiFePO4 battery charging modules, and AC-DC SMPS units. Isolated DC-DC conversion represents our core engineering specialty—a discipline requiring absolute precision in magnetic transformer design, zero-voltage switching (ZVS) topologies, and advanced planar trace optimization.
Our complete catalog of over 500 catalog items serves alternative energy, vehicle electrification, marine naval electronics, and critical telecommunication applications throughout North America, Europe, Australia, and Asia.
ISO 9001
Audited Quality
Management
Management
CE Mark
European Health
& Safety Verified
& Safety Verified
RoHS
Eco-Friendly
Components
Components
OEM / ODM
Custom Cables
& Packaging
& Packaging
We offer flexible validation minimum order quantities (MOQ from 5 units for most converters), complete private buyer labeling, custom CC/CV profile flashes, and comprehensive factory-direct technical engineering support.
Procurement Clarity
Frequently Asked Questions by Houston Equipment Buyers
Practical technical answers to common integration questions received from Texas engineers, fleet managers, and electrical contractors.
Can these DC-DC chargers operate continuously in Houston's summer heat?
Yes. All Eltrum DC-DC chargers and converters utilize heavy-gauge extruded aluminum heat-sink casings filled with thermal conductive potting compounds. Rated operating temperature spans from -40°C to +85°C. For unventilated engine bays or dark service trailer enclosures where internal ambient temperatures can hit 60°C (140°F) in Texas summers, we recommend derating continuous output by 20% to avoid safety thermal throttling.
How does a DC-DC battery charger protect our truck's smart alternator?
Smart alternators in modern commercial trucks reduce voltage output down to 12.2V during highway cruising to conserve fuel, which fails to charge lithium house banks. Furthermore, if connected directly, an empty LiFePO4 battery draws high amperage beyond alternator ratings, causing stator burnouts. An Eltrum DC-DC charger actively limits input current draw to a safe, programmable threshold (e.g., 20A, 40A, or 60A) and boosts sagging voltage up to the 14.6V absorption voltage required by LiFePO4 cells.
When must we specify an isolated DC-DC converter over a non-isolated model?
Galvanic isolation is mandatory in marine setups (such as workboats traversing the Houston Ship Channel) to isolate common DC return grounds and stop galvanic electrolysis from eating aluminum hulls and bronze thrusters. It is also required in high-voltage industrial setups (e.g., 48V, 72V forklifts or telecommunication racks) where negative grounds cannot be shared without introducing ground loops, parasitic sensor noise, or chassis short hazards.
What are your shipping lead times and delivery terms for Houston, TX?
Standard evaluation samples (5–10 units) are dispatched via air express (FedEx/DHL) directly from our Shenzhen plant, arriving in Houston within 5 to 7 business days. High-volume container or pallet orders are shipped FOB Shenzhen or CIF Port of Houston. We accept wire transfer (T/T), PayPal, and Escrow in USD.
Can charging profiles and wire harnesses be customized for our fleet?
Yes. Shenzhen Eltrum Electronic Co., Ltd. provides full ODM/OEM services. We regularly customize absorption/float voltage set points (e.g., 14.6V for LiFePO4, 14.2V for AGM, 16.8V for 4S Li-ion), add proprietary quick-connect Anderson or Deutsch plugs, and integrate customized communication firmware protocols like RS485 or CANbus.
Ready to Upgrade Your Mobile & Industrial DC Power Architecture?
Consult with Eltrum’s applications engineering team. Provide your input voltage range, target battery chemistry, and required continuous load amperage for custom drawings, sample quotes, and datasheets.