Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- Topology: DC-DC Step-Up Boost
- Input / Output: 12V DC / 43.8V DC
- Chemistry: LiFePO4 (3-Stage CC/CV)
- Protection: IP68 Potted Enclosure
Precision Engineering
Featured Power Conversion Solutions for HCMC & Southern Vietnam
Manufactured in Shenzhen with industrial-grade thermal encapsulation, transient-surge suppression, and wide-input tolerance to ensure uninterrupted operation under Southern Vietnam's high humidity and grid fluctuations.
600W Waterproof AC-DC LiFePO4 Charger 14.6V–58.4V
- Input Voltage: 90–265V AC Universal
- DC Output: 14.6V / 29.2V / 58.4V
- Cooling: Fanless Natural Convection
- Rating: IP65 Heavy-Duty Marine
24V to 12V 85A/100A High-Current Buck Converter
- Topology: Synchronous Buck Step-Down
- Current Range: 85A – 100A Max Load
- Peak Efficiency: >95.5% Low Heat
- Target: Commercial Trucks & Port AGVs
Galvanic Isolated DC-DC Module 18-75V to 24V 5A
- Galvanic Isolation: 1500V DC Dielectric
- Noise Filtering: Ultra-low EMI <50mVp-p
- Input Windows: 18–36V / 36–75V DC
- Deployment: Telecom Towers & SCADA
1500W Dynamic Buck-Boost Converter (10V-60V)
- Input Voltage: 10V – 60V Continuous
- Regulated Output: 12V / 24V / 28V / 48V
- Digital Control: RS485 Modbus Interface
- Function: Battery Stabilization & Solar
Wide-Input 30-90V to 24V 20A Traction Pack Buck
- Operating Input: 36V / 48V / 60V / 72V DC
- Regulated Rail: 24V DC @ 20A Constant
- Thermal Design: Die-cast Aluminum Shell
- Application: Electric Forklifts & AGVs
Heavy-Duty 12V to 48V 20A Boost Step-Up Module
- Input Bus: 12V DC (9–20V Window)
- Step-Up Output: 48V DC @ 20A (960W)
- Sealing Standard: 100% Potted Silicone IP68
- Applications: Heavy Actuators & 48V Inverters
400W Battery-to-Battery (B2B) Dual Charger
- Input Compatibility: 10–36V DC Alternator/Starter
- Selectable Output: 14.6V (12V) / 29.2V (24V)
- Smart Cut-off: Prevents Starter Drain
- Application: Specialty Fleet & Off-grid Campers
Engineering Power Resilience in Ho Chi Minh City: Technical Whitepaper
As Vietnam's primary economic engine, Ho Chi Minh City (HCMC), alongside neighboring industrial nodes in Binh Duong, Dong Nai, and Long An, is undergoing unprecedented electrification across port logistics, automated manufacturing, and smart transportation. However, deploying mission-critical DC power infrastructure in this sub-equatorial zone presents distinct electrical and environmental challenges that standard off-the-shelf power modules fail to survive.
Shenzhen Eltrum Electronic Co., Ltd. has developed specialized power engineering protocols engineered to address three chronic localized hazards: sustained ambient thermal elevation (35°C–42°C in enclosed bays), monsoon condensation cycles (relative humidity reaching 95%+), and industrial grid harmonic instability commonly encountered along Cat Lai Port, Tan Thuan EPZ, and Saigon Hi-Tech Park (SHTC).
| Deployment Field | Local Stress Vector in HCMC | Eltrum Engineering Solution | Measurable Operational Gain |
|---|---|---|---|
| Cat Lai & Cai Mep Logistics | Salt spray, diesel vibration, 24V/48V voltage sag during diesel crane starts. | Vacuum potting with Dow Corning thermally conductive elastomer; IP68 rating. | Zero corrosion ingress; sustained 12V output during 8.5V cranking dips. |
| Binh Duong Industrial Corridors | High harmonic distortion & common ground loops across shared factory lines. | Galvanic Isolation with 1500V DC breakdown barrier & planar transformer topology. | Elimination of ground noise in PLC sensors and automated visual inspection systems. |
| Urban Commercial Two-Wheelers | Stop-and-go heat entrapment, 72V traction battery over-discharge risks. | Wide 30V–90V buck regulators with ultra-low quiescent current (<2mA). | Prevents traction BMS lockup; maintains steady 12V rail for GPS tracking and telematics. |
| Mekong Delta Marine Barges | Diesel generator voltage drift (180V–260V AC) and brackish water humidity. | Wide-input PFC AC-DC chargers (90–265V AC) with conformal anti-fungal coating. | Consistent 3-stage LiFePO4 battery replenishment with 0% risk of cell overcharging. |
By shifting from non-isolated commodity units to synchronous rectification and galvanically isolated DC topologies, engineering contractors in HCMC achieve up to a 63% reduction in on-site power failure rates, guaranteeing consistent Mean Time Between Failures (MTBF) exceeding 50,000 continuous operating hours.
Target Deployment
Localized Application Scenarios in Greater Ho Chi Minh City
Optimized for mission-critical integration across regional industrial zones, distribution hubs, and renewable marine networks.
Container Drayage & Port Terminals
Heavy drayage trucks running between Cat Lai and inland container depots encounter significant alternator ripple. Our 24V-to-12V buck modules supply clean, stable DC power to weigh-scale transponders, GPS fleet trackers, and cab telematics without overheating.
Cat Lai Port
Tan Cang Logistics
24V-12V Buck
Industrial Automation & Robotics
In the automated manufacturing hubs of Binh Duong and VSIP, industrial AGVs and robotic arms require pristine 24V and 48V rails. Eltrum isolated DC-DC converters eliminate ground loops and noise spikes created by nearby variable frequency drives (VFDs).
VSIP I & II
Amata Dong Nai
1500V Isolation
Telecom Base Stations & Fiber Nodes
Outdoor 48V DC telecom cabinets operated by VNPT and Viettel face severe monsoon rains and thunderous transients. Our compact wide-range converters step down 48V backup battery banks to 5V and 12V for remote monitoring units and fiber switches with zero brownouts.
VNPT Racks
Viettel Cell Sites
IP67 Enclosure
Commercial E-Bikes & Delivery Scooters
HCMC's massive courier delivery networks (Shopee, Grab, Be) operate electric two-wheelers powered by 60V–72V lithium packs. Our 72V to 12V buck modules ensure dashboard meters, LED headlamps, and 5V USB fast-chargers operate continuously without depleting cell integrity.
Last-Mile EV
72V-12V Step Down
Thermal Foldback
Mekong River Waterway Transportation
Cargo barges and tourist craft transiting the Saigon River and Mekong waterways rely on auxiliary battery banks. Our waterproof LiFePO4 chargers and DC-DC battery-to-battery modules ensure house batteries receive regulated CC/CV charging while preventing alternator burnout.
Saigon River
Marine B2B
Anti-Salt Spray
Off-Grid Commercial Solar Microgrids
Agribusiness operations and shrimp farms across surrounding coastal provinces (Can Gio, Ben Tre) implement 24V/48V solar systems. Our wide-input buck-boost converters dynamically correct battery voltage swings from 18V up to 58V to power sensitive sensor networks.
Aquaculture Tech
Solar Buck-Boost
Continuous Voltage
Emerging Market Trends: Vietnam's High-Tech Power Infrastructure
The manufacturing ecosystem in Southern Vietnam is rapidly moving up the value chain. As multi-national semiconductor and electronic assembly leaders expand across Saigon Hi-Tech Park, engineering expectations for power supply reliability have fundamentally transformed:
1. Shift Toward LiFePO4 Chemistry: Traditional lead-acid batteries are being actively replaced in industrial forklifts, telecommunications backup, and golf buggies due to high temperature degradation. LiFePO4 necessitates precise charging voltages (3.65V per cell, 14.6V for 4S, 58.4V for 16S) with strict CC/CV termination curves to prevent thermal runaway in humid climates.
2. Direct Digital RS485 / CAN Bus Telemetry: System integrators in Vietnam are standardizing on Industry 4.0 monitoring. Power converters are no longer isolated "black boxes"; they must interface with industrial PLCs to report real-time operating temperatures, output current, and fault codes remotely.
3. Demand for Turnkey Cross-Border OEM/ODM Agility: Vietnamese engineering firms increasingly partner with tier-one Shenzhen manufacturers who maintain direct R&D engineering oversight, capable of shipping certified standard samples within 48 hours and configuring customized wire harnesses, connectors (Deutsch, Anderson, M12), and customized enclosures with low MOQs.
Why Partner With Us
Shenzhen Eltrum: Verified Manufacturing Authority
Direct from our 3,000m² Shenzhen manufacturing facility to your loading dock in Ho Chi Minh City, Cat Lai, or Tan Son Nhat cargo terminals.
ISO 9001 Certified
Operating under strict ISO 9001 quality management protocols with automated SMT placement, automated optical inspection (AOI), and full burn-in life cycle test benches.
500+ Active Models
Comprehensive topology portfolio spanning buck, boost, buck-boost, and galvanic isolated DC converters ranging from 5W micro-controllers to 1500W industrial units.
Low MOQ Sampling
We actively support engineering prototypes and pilot production runs with low MOQs starting from 5 units, allowing rapid on-chassis and on-bench validation in Vietnam.
Direct OEM / ODM
Complete custom design capability including custom wide-input profiles, private buyer labeling, proprietary charging curves, and specialized ingress protection up to IP68.
Procurement Clarity
Frequently Asked Questions for Importers in Ho Chi Minh City
Direct answers addressing import procedures, technical selections, and logistics from Shenzhen to Vietnam.
What are the typical shipping lead times and freight routes from Shenzhen to Ho Chi Minh City?
We offer multiple expedited freight pathways. Sample orders (5–20 units) are dispatched via air express (DHL/FedEx/SF International) reaching Tan Son Nhat Airport (SGN) in 2 to 4 business days. For volume commercial production, sea freight from Shenzhen/Shekou Port to Cat Lai Port takes approximately 3 to 5 days on direct sailing lines. We provide complete commercial documentation (CO Form E under ACFTA for preferential import tariffs, Commercial Invoice, Packing List) for seamless customs clearance.
Can Eltrum customize the DC voltage threshold for specialized industrial vehicle projects?
Yes. Our in-house hardware engineering team in Shenzhen frequently develops custom voltage and current trims. Whether your system requires a non-standard 13.8V rail for communications equipment, a 28V line for aviation ground units, or a dedicated 54.6V charging cutoff for ternary lithium packs, our R&D team can tailor our existing converter and charger platforms to match your exact electrical parameters.
Why is galvanic isolation necessary for automated factory lines in Binh Duong and Dong Nai?
Non-isolated buck converters share a common negative ground line between input and output. In large manufacturing plants, ground potential differences and heavy electrical noise from inductive motors or welders travel through this common ground, causing PLC data corruption or sensor misreads. Eltrum isolated DC-DC converters incorporate high-frequency transformers that deliver 1500V dielectric isolation, fully severing ground loops and shielding sensitive digital logic.
How do Eltrum converters resist high ambient heat and monsoon condensation in Vietnam?
Our products utilize full vacuum potting with high thermal-conductivity silicone compounds enclosed inside aerospace-grade die-cast aluminum heat sinks. This ensures 100% resistance against moisture ingress, dust, and corrosive air (achieving IP67 or IP68 certification) while allowing heat dissipation via structural conduction. Units are tested to maintain stable nominal output across ambient operating ranges of -40°C to +85°C.
What payment terms and currencies are supported for Vietnamese businesses?
We accept Telegraphic Transfer (T/T), PayPal for sample evaluations, and Escrow services. Transactions can be settled in USD or CNY (RMB). Delivery terms include FOB Shenzhen, EXW Factory, or CIF Cat Lai / Tan Son Nhat depending on your preferred forwarder arrangement.
How does a DC-DC battery-to-battery (B2B) charger protect vehicle alternators compared to standard relays?
Standard split-charge relays connect a depleted auxiliary lithium battery directly to an alternator, causing high inrush currents that frequently overheat and destroy the alternator winding. An Eltrum DC-DC B2B charger restricts current draw to safe, programmed limits, while stepping up and conditioning the voltage into a true 3-stage (Bulk/Absorption/Float) CC/CV curve required for LiFePO4 cells, extending battery life and preserving the engine alternator.
Request Engineering Datasheets & Wholesale Quotations
Connect directly with our application engineers in Shenzhen. We provide comprehensive circuit schematics, custom voltage proposals, and expedited sample shipping to Ho Chi Minh City and nationwide.