Smart 36V Lithium Charger 12V to 43.8V 13A Waterproof
- Input Voltage: 10–16V DC Wide
- Output Profile: 43.8V CC/CV (36V LiFePO4)
- Rated Power: 570W Max / 13A
- Protection: IP67 Fully Potted
Engineered For Cold & Mining
High-Power DC-DC Converters & Industrial LiFePO4 Chargers
Selected ruggedized power units proven in sub-zero mobile operations, desert solar installations, and high-vibration heavy equipment. Fully tested before export across the Erenhot / Zamyn-Uud corridor.
1500W Buck-Boost Converter 10-60V Wide Input
- Input Range: 10–60V Ultra-Wide DC
- Output Rail: 12V / 24V / 28V / 48V
- Control Bus: RS485 Modbus Compatible
- Cold Start: Functional down to -45°C
24V to 12V 100A Heavy Truck Step-Down Buck Converter
- Input Window: 18–36V Heavy Haul Bus
- Continuous Output: 12V DC @ 100A (1200W)
- Efficiency: 96.5% Synchronous Rect.
- Sealing: Anodized Aluminum IP68
48V to 24V 40A 1000W DC-DC Step-Down Regulator
- Input Range: 38–60V DC Industrial Bus
- Regulated Output: 24V @ 40A Continuous
- Thermal Design: Integrated Heat Sink Ribs
- Safety Suite: OVP, OCP, OTP, Short Auto-Rec
Galvanic Isolated 18-90V to 12V 10A Power Module
- Isolation Voltage: 1500V DC Galvanic Barrier
- Wide Input: 18–90V (24/36/48/72V Packs)
- Clean Rail: <50mV Ripple & Noise
- Application: Telecom BTS & Electric Forklifts
12V to 48V 20A 960W Step-Up Boost Voltage Converter
- Low Input: 9–16V DC Cranking Tolerant
- Boosted Rail: 48V DC Regulated (20A)
- Target Loads: Aux Motors, LED Towers, Inverters
- Enclosure: Epoxy Vacuum Resin Potted
10-44V to 12V 60A Dynamic Buck-Boost Stabilizer
- Input Swing: 10–44V Continuous Transition
- Regulated Output: 12.0V or 13.8V Clean (720W)
- Sag Protection: Zero brownouts under diesel start
- Housing: IP68 Heavy Aluminum Heat Sink
400W Waterproof Dual-Battery DC-DC Charger (10-36V)
- Input Window: 10–36V Alternator / Solar Array
- Charging Rails: 14.6V / 29.2V 3-Stage CC/CV
- BMS Protection: Ignition Sense & Low-Temp Cutoff
- Use Cases: Off-grid Gers, Overlanding, Field Camps
Executive Engineering Briefing for Mongolian Industrial Procurement: Operating DC-DC power electronics in Mongolia presents an engineering challenge unlike almost any other market in Central Asia. Combining sustained sub-zero temperatures reaching -45°C during the harsh Dzud winter, sudden 50°C intra-day thermal swings in the South Gobi basin, fine airborne coal and desert silica dust, and extreme mechanical vibration on unpaved mining haul roads, standard commercial converters fail prematurely. As China's premier manufacturer and direct exporter to Ulaanbaatar, Dalanzadgad, and Erdenet, Shenzhen Eltrum Electronic Co., Ltd. custom-engineers high-power DC-DC converters, isolated regulators, and battery-to-battery charging modules that guarantee continuous uptime in these high-stress operational profiles.
Harsh Environment Engineering
Mission-Critical Power Scenarios Across Mongolia
From high-tonnage mining pits in Oyu Tolgoi to distributed nomadic renewable ger systems, see how our specialized power topologies solve real-world conversion bottlenecks.
1. Open-Pit Mining Fleets & Heavy Earthmoving
Mongolia's premier mining operations in the South Gobi (Tavan Tolgoi, Oyu Tolgoi) rely on high-capacity Caterpillar, Komatsu, and BelAZ 220-ton haul trucks, excavators, and drilling rigs. Heavy diesel cranking in -40°C causes 24V starter batteries to sag violently down to 7V-8V, generating deep voltage transients that destroy sensitive telematics, dispatch computers, anti-collision radar, and auxiliary 12V LED illumination.
Our heavy-duty 10-44V to 12V 60A buck-boost stabilizers and 24V to 12V 100A synchronous buck converters deliver uncompromised regulation. Potted with thermally conductive UL94V-0 silicone within extruded die-cast aluminum cases, they withstand sustained 15G mechanical vibration while filtering extreme load-dump surges common in mining electrical networks.
2. Off-Grid Nomadic Solar & LiFePO4 Ger Electrification
Throughout the Mongolian steppes and rural aimags, nomadic herders and remote eco-lodges depend on autonomous PV arrays and micro-wind turbines. Traditional lead-acid batteries fail within two seasons due to electrolyte freezing and sulfation. As the region rapidly transitions to LiFePO4 and sodium-ion chemistry, precise multi-stage CC/CV charging becomes an operational imperative.
Eltrum's Smart 12V/24V to 14.6V/29.2V/43.8V DC-DC battery chargers provide dedicated lithium charging profiles with smart cold-weather temperature compensation. By taking unstable, fluctuating DC bus inputs from solar charge controllers or small mobile petrol/diesel generators, they charge house lithium packs smoothly without tripping internal BMS cutoffs or risking lithium plating during sub-zero absorption cycles.
3. Steppe Telecom BTS Towers & Border Surveillance
Cellular operators (Mobicom, Unitel, Skytel) and national border patrol units maintain remote base transceiver stations (BTS), microwave repeaters, and optical surveillance installations stretched over thousands of kilometers of uninhabited terrain. These facilities operate on standardized 48V DC battery banks, but field cameras, PTZ sensors, Starlink terminals, and industrial network switches require highly stabilized 12V or 24V clean rails.
Because remote telecom sites in dry desert environments generate massive electrostatic discharges and ground differential noise between antenna towers and power shelters, non-isolated converters cause severe packet loss or module blowout. Our isolated DC-DC converters (18-36V, 36-75V, and 18-90V) feature true 1500V galvanic isolation, eliminating ground loops and isolating vulnerable electronics from high-voltage inductive spikes.
Datasheet Comparison
Engineering Specifications for Mongolian Commercial Portfolios
A quick reference matrix designed for technical directors, fleet maintenance engineers, and project integrators sourcing from China.
| Series & Topology | Input Voltage Window | Nominal Output / Power | Efficiency | Thermal Operating Range | Primary Deployment in Mongolia | Procurement |
|---|---|---|---|---|---|---|
| WG-Buck-100A Buck (Step-Down) |
18–36V DC (24V Standard) | 12V @ 85A–100A (1200W) | 96.5% | -45°C to +85°C | Heavy haul truck fleets, mining excavator lighting, cabin inverters | Send an Inquiry |
| WG-1500-BB Buck-Boost Auto |
10–60V DC Wide Range | 12V / 24V / 48V (Up to 1500W) | 94.8% | -45°C to +80°C | Fluctuating hybrid solar/diesel microgrids, heavy vehicle electronic stabilization | Send an Inquiry |
| WG-ISO-120W Galvanic Isolated |
36–75V DC (48V Bus) | 12V / 24V @ 5A–10A | 91.0% | -40°C to +85°C | Telecom microwave towers, remote border telemetry, SCADA sensors | Send an Inquiry |
| WG-B2B-400W DC-DC Charger |
10–36V Alternator/Solar | 14.6V / 29.2V LiFePO4 (400W) | 95.2% | -40°C to +75°C | Dual-battery expedition campers, emergency response vehicles, off-grid gers | Send an Inquiry |
| WG-Boost-960W Boost (Step-Up) |
9–16V DC (12V Battery) | 48V @ 20A (960W) | 95.8% | -45°C to +85°C | Powering 48V hydraulics, water pumps, and high-intensity LED masts from 12V | Send an Inquiry |
| WG-EV-72-24 E-Mobility Buck |
30–90V DC (60V/72V Traction) | 24V @ 20A (480W) | 96.0% | -40°C to +85°C | Electric mining utility buggies, golf carts, logistics forklifts in Ulaanbaatar | Send an Inquiry |
Market Intelligence
Mongolian Power Electronics: Strategic Growth Trends & Demand
Key drivers modernizing voltage regulation, dual-battery systems, and power conversion standards across Mongolia's industrial and domestic sectors.
01
Electrification & Telematics in Heavy Mining Fleets
With Mongolia's mining sector contributing more than 25% of the national GDP and 80% of exports, tier-1 operators are upgrading from purely mechanical cockpits to digitized fleet management systems (FMS), LiDAR obstacle detection, and satellite telemetry. Every installed subsystem requires an ultra-stable 12V or 24V clean DC bus isolated from high-amperage hydraulic motor noise and alternator load dumping. Sourcing industrial-grade buck and buck-boost converters from China with CE and RoHS certification has become standard procedure for Ulaanbaatar-based procurement houses.
02
Rapid Migration from Lead-Acid to LiFePO4 Energy Storage
Traditional flooded and AGM batteries have demonstrated high failure rates in the extreme climate of the northern provinces (Selenge, Darkhan-Uul, Khövsgöl), where electrolyte freezes at temperatures below -35°C during discharge states. Lithium Iron Phosphate (LiFePO4) chemistry with built-in thermal heating pads is replacing legacy chemistries. This transition creates massive demand for dedicated DC-DC multi-stage CC/CV battery chargers that deliver exact cut-off voltages (such as 14.6V for 4S or 29.2V for 8S) rather than relying on crude alternator charging.
03
Expansion of Remote 4G/5G Coverage & Border Infrastructure
Under the Mongolian government's "Digital Nation" initiative, mobile network infrastructure is aggressively pushing outward from major urban corridors to remote rural soums and border crossing routes. Powering isolated base stations through hybrid solar-wind installations requires industrial-grade galvanic isolated DC-DC converters. These units step down floating 48V or 72V DC battery buses to 12V, 24V, and 5V to run transceivers, network routing units, and thermal monitoring arrays without catastrophic ground faults.
Why Source From Eltrum
Precision Manufacturing & Global OEM/ODM Authority
Since 2015, Shenzhen Eltrum Electronic Co., Ltd. has stood as a pioneer in advanced DC-DC conversion, supplying industrial OEMs, commercial distributors, and system integrators worldwide.
500+
Standard Models
130+
Countries Supplied
ISO 9001
Certified Quality
5 Units
Low Sample MOQ
Engineered in Shenzhen, Tested for Mongolian Realities
Our 3,000 m² Shenzhen manufacturing facility houses fully automated surface-mount (SMT) lines, precision magnetics winding stations, high-vacuum epoxy potting systems, and computerized burn-in testing chambers. Every production batch destined for export undergoes 100% full-load thermal burn-in and dielectric breakdown testing to eliminate infant mortality.
- Deep Customization (OEM & ODM): Custom input ranges (up to 90V), user-specified cut-off voltages, RS485 communication protocols, and private-label laser etching for local Mongolian distributors.
- Direct China-to-Mongolia Logistics: Seamless door-to-door or port-to-port dispatch via Shenzhen/Guangzhou to Beijing, connecting directly to the Erenhot/Zamyn-Uud railway and trucking routes into Ulaanbaatar.
- Certified Compliance: Certified to CE (EMC/LVD), RoHS, and manufactured under audited ISO 9001:2015 quality control systems.
Procurement Knowledge Base
Frequently Asked Questions by Mongolian Buyers
Clear, direct answers regarding cold-temperature survival, logistics, MOQ, and technical custom engineering.
How do Eltrum DC-DC converters survive Mongolia's extreme -40°C to -45°C winter climate?
Standard power converters fail in extreme cold because conventional electrolytic capacitors lose capacitance and exhibit high equivalent series resistance (ESR), causing voltage ripple spikes and controller shutdown. Eltrum uses wide-temperature solid polymer capacitors, low-temperature rated MOSFETs, and temperature-stable magnetic core materials rated from -45°C to +85°C. Furthermore, our complete epoxy/silicone potting cushions internal surface-mount joints against thermal shock fractures caused by repeated rapid heating and cooling cycles.
What is the typical shipping lead time and border customs route from your factory to Ulaanbaatar?
For standard production models, orders ship from our Shenzhen facility within 3 to 7 working days. For customs clearance into Mongolia, shipments typically move via domestic logistics to Erenhot (Inner Mongolia), pass through Mongolian customs at Zamyn-Uud, and are railed or trucked directly into Ulaanbaatar (total transit time usually 10 to 14 days). We provide full export declarations, commercial invoices, packing lists, and Certificates of Origin (CO) to ensure frictionless border clearance.
When should our engineering team specify an Isolated DC-DC converter versus a Non-Isolated Buck/Boost?
Non-isolated buck and boost converters share a common negative ground between input and output, delivering maximum efficiency (up to 96%) and smaller physical footprints. They are ideal for vehicle alternators, RV auxiliary loads, and lighting systems. However, an Isolated DC-DC converter (featuring a high-frequency transformer barrier) is strictly required when:
- The system input is a 48V or 72V traction battery where ground faults could deliver lethal chassis shock.
- Telecom installations require separating positive-ground systems from negative-ground transceivers.
- Sensitive microcontrollers or GPS modems suffer data corruption from inductive ground loop noise.
What is the minimum order quantity (MOQ) for engineering samples and volume orders?
To enable mechanical and electrical field validation in Mongolian field conditions, our standard sample MOQ is only 5 units for most catalog converters and battery chargers. High-power custom engineering models (such as the 1500W RS485 buck-boost) can be sampled from 1–2 units. Volume tiered pricing is automatically applied for batch procurement above 50, 200, and 1,000 units.
Can Eltrum configure customized charging voltage curves for specific LiFePO4 battery brands?
Yes. As an original design manufacturer (ODM), we can program exact constant-current/constant-voltage (CC/CV) stages, float thresholds, and low-voltage auto-restart levels. Whether your battery system utilizes 3.2V prismatic cells (such as CATL, EVE, or CALB) in 4S, 8S, 12S, 16S, or 24S arrangements, we calibrate our DC-DC chargers and converters to match your BMS cutoff limits perfectly.
What payment terms and foreign currency transactions are accepted for Mongolian importers?
We support wire transfer (Telegraphic Transfer - T/T) in USD, EUR, and CNY (RMB), which is highly convenient for Mongolian commercial trading companies maintaining cross-border RMB accounts with Bank of China or Golomt Bank. PayPal and Escrow services are also available for expedited sample orders. Standard delivery terms include EXW, FOB Shenzhen, and CIP Ulaanbaatar.