Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- Input Voltage12V DC Nominal
- Output Voltage43.8V (CC/CV LiFePO4)
- ProtectionIP67 Fully Sealed
Industrial Grade Power Portfolio
Precision Buck-Boost Regulators & Specialized Battery Conversion Engines
Engineered specifically to solve complex DC bus instabilities, cold-weather transient swings, and dual-chemistry interface challenges across the Baltic industrial sector.
1500W High-Power Buck-Boost Module with RS485
- Input Range10V – 60V Continuous
- Regulated Output12V / 24V / 28V / 48V
- TelemetryRS485 Modbus RTU
10–44V to 12V 50A/60A Synchronous Voltage Stabilizer
- Input Profile10V – 44V Wide DC
- Continuous CurrentUp to 60A (720W)
- Peak Efficiency96.4% Under Full Load
8–40V to 13.8V 30A Marine & Solar Buck-Boost Unit
- Ultra-Wide DC8V – 40V Dynamic
- Fixed Rail13.8V Float Optimized
- Thermal Envelope-40°C to +85°C Operation
9–40V to 24V 10A Industrial Step-Up/Down Converter
- Operational Input9V – 40V Input Bus
- Precision Output24V ±1.5% Stability
- Chassis TypeDie-Cast Aluminum IP68
400W IP68 DC-DC LiFePO4 Smart Dual-Battery Charger
- Dynamic Voltage10V – 36V Alternator
- Lithium Curve14.6V / 29.2V Multi-Stage
- Euro 6 StandardSmart Alternator Compatible
9–40V to 19V 15A Industrial Ruggedized Regulator
- Variable Input9V – 40V DC System
- Rated Power285W Sustained
- ComplianceEN 61000-6-2 / 6-4 Standard
8–40V to 12V 6A Miniaturized Automotive Stabilizer
- Cranking Ride-ThroughStarts from 8.0V Sags
- Nominal Output12V DC Regulated
- CertificatesCE / RoHS / ISO 9001
Technical Whitepaper Insight: Addressing Voltage Instability in Non-Linear DC Microgrids
In high-latitude and transitional power environments like Eastern Europe and the Baltic states, electronic power systems face intense thermal stresses and fluctuating auxiliary inputs. A common failure in automotive retrofit, robotics, and commercial energy storage in Vilnius stems from using non-isolated buck-only converters where battery voltages drop below load regulation thresholds under winter cold-cranking (-25°C). When lead-acid banks sag to 9.2V or LiFePO4 cells undergo high load surge, step-down converters cease regulation, inducing microcontroller brown-outs and logic faults.
Eltrum solves this by utilizing four-switch non-inverting buck-boost topologies coupled with custom magnetic geometries. By dynamically transitioning between buck, buck-boost, and boost switching patterns via real-time synchronous gate drivers, our modules sustain continuous 12V, 24V, or 48V outputs across an 8V to 60V input continuum. This operational capability yields an efficiency exceeding 96%, minimizes thermal losses in sealed enclosures, and offers OEMs in Lithuania complete autonomy over varied auxiliary voltages without needing ground redesigns.
Regional Deployment Matrix
Engineered for Vilnius & Lithuania's High-Tech Industries
From the Fabijoniškės logistics corridors to the Visoriai Information Technology Park, our customized DC power modules drive mission-critical infrastructure across Lithuania.
Sub-Zero Solar Microgrids & Remote Telecom
Lithuanian winter days experience short daylight hours and sudden thermal plunging to -30°C. Our buck-boost regulators provide ultra-wide 9–60V input tolerance, pulling regulated 24V and 48V lines from fluctuating small-scale wind and solar setups powering rural 5G backhaul infrastructure without freezing-point electrolyte failures.
Commercial Freight & Euro 6 Alternator Adapters
Vilnius serves as an essential logistics node connecting Northern and Central Europe. Fleet telematics, on-board GPS trackers, and refrigeration telemetry installed in Euro 6 heavy trucks frequently suffer from regenerative alternator decoupling (where alternator voltage oscillates between 11.8V and 15.2V). Our stabilizers maintain consistent 12.0V loads throughout all driving cycles.
Laser Optics & Automated Guided Vehicles (AGVs)
Lithuania’s world-renowned photonics cluster and modern automated warehousing demand ultra-low ripple voltage regulators. Our fully potted, isolated and buck-boost modules suppress switching spikes down to <30mVp-p, delivering pure, noise-immune rails for laser excitation diodes, optical sensors, and lithium AGV propulsion logic.
Strategic Energy Outlook
Technological Evolutions Shaping Vilnius' Power Systems
Analyzing regulatory imperatives, battery chemistry pivots, and electrification mandates impacting procurement teams across the Baltic Economic Area.
1. Widespread Decarbonization & LiFePO4 Retrofits
Following European Green Deal directives, municipal utility trucks, public transport auxiliaries, and maritime transport in the Klaipėda port are aggressively replacing legacy lead-acid systems with LiFePO4 cells. Buck-boost CC/CV converters are essential to bridge existing 12V/24V chassis dynamos with high-density lithium storage without destructive overcurrent rushes.
2. Edge IoT Telematics in Smart Warehousing
With Vilnius expanding its position as a primary European logistics hub, automated handling equipment requires onboard computational power. Standard industrial DC buses (24V/48V) experience line noise and high-torque motor inductive spikes. The adoption of wide-input step-up/step-down converters guarantees continuous uptime for onboard industrial PCs and LiDAR systems.
3. Demand for Fully Encapsulated IP68 Modules
Due to extreme humidity, winter road salting, and rapid condensation in Baltic transport operations, non-encapsulated converters face premature corrosion. Procurement specifications from Lithuanian OEM engineers now overwhelmingly mandate full epoxy/polyurethane thermal potting alongside integrated reverse polarity and transient overvoltage suppression.
Shenzhen Eltrum Electronic Co., Ltd.
Direct-from-Manufacturer Power Engineering with Global Validation
Established in 2015, Shenzhen Eltrum Electronic Co., Ltd. has grown to become a benchmark manufacturer of advanced DC-DC converters, isolated power supplies, and waterproof LiFePO4 battery charging modules. Unlike trading intermediaries, we execute our design engineering, SMT fabrication, potting encapsulation, and burn-in load verification entirely in-house under an ISO 9001 quality management architecture.
For hardware integrators, industrial distributors, and vehicle upfitters in Vilnius, we solve typical supply chain friction points: offering low sample MOQs (from 5 units) for prototyping, custom voltage calibration within 7–10 days, and buyer-label personalization. Our power converters adhere strictly to CE directives (EN 61000, EN 55032) and RoHS environmental compliance, guaranteeing rapid customs release and smooth EU market approvals.
ISO 9001 Certified Factory
CE & RoHS Compliant
Full Potting IP68 Ruggedization
RS485 / CANbus Customization
Shenzhen Production Facility · Est. 2015
Automated SMT Placement
100% Full-Load Burn-In QC
Procurement Knowledgebase
Frequently Asked Questions by Baltic System Integrators
Essential technical, compliance, and logistics clarifications for project engineers and procurement specialists sourcing from Shenzhen Eltrum.
What are the lead times and shipping routes for custom converter orders shipped to Vilnius?
For standard production samples (e.g., 5 to 20 units), orders are dispatched within 3–5 working days from our Shenzhen warehouse via express air carriers (DHL, FedEx, UPS) directly to Vilnius International Airport (VNO) or regional hubs, arriving within 4–7 business days. For volume OEM production orders (500–5,000+ units), regular transit options include consolidated air cargo or standard maritime shipping to the Port of Klaipėda with subsequent inland road transport to Vilnius logistics parks (typically 28–35 days total transit).
How do your buck-boost modules handle the harsh Lithuanian winter cold (-30°C)?
All our industrial buck-boost converters and waterproof chargers utilize premium automotive-grade active components, low-ESR solid electrolytic/ceramic capacitors, and magnetic cores rated down to -40°C. Furthermore, our proprietary potting process utilizes high-elasticity polyurethane thermal compounds that do not micro-fracture or delaminate under rapid thermal shocks from freezing conditions to full-load operation (+85°C internal junction temperatures), preventing internal condensation failures.
Can Eltrum tailor charging curves for non-standard Baltic battery projects?
Yes. We offer comprehensive firmware and hardware customization. If your Vilnius application utilizes distinct cell arrangements (such as 7S, 8S, 14S, or 16S LiFePO4 or NMC packs), our engineering staff configures the CC/CV thresholds, absorption timers, temperature compensation gradients, and float levels prior to encapsulation. We can also integrate dynamic control via RS485 Modbus RTU or external ignition signal triggers.
Do your DC-DC converters comply with European Union EMC and safety legislation?
Every module supplied to the European market is built in alignment with CE directives, including electromagnetic compatibility standards (EN 55032 Class B for emissions, EN 61000-4 series for industrial immunity), alongside RoHS hazardous substance controls. Verified third-party test reports and Declarations of Conformity (DoC) are provided upon request to assist Lithuanian system builders in finalizing their own end-product CE markings.
What is the minimum order quantity (MOQ) and warranty coverage for OEM partners?
To simplify engineering validation in the Baltics, standard catalogue models are available starting from just 5 units. Custom electrical specifications, specialized harnesses, or bespoke buyer labels typically begin at 50–100 units. All industrial and automotive-grade DC-DC converters carry a full 12 to 24-month factory replacement warranty supported by direct engineering support.
Request Custom DC Buck-Boost Engineering Quotations
Download our complete OEM/ODM technical catalogue containing schematics, thermal derating curves, and dimensional drawings for over 500 power converter topologies.