Tailored protection boards optimized for Vietnam's local climatic challenges, micro-mobility transitions, and solar backup systems.
Vietnam is undergoing one of the most rapid transitions toward sustainable industrialization and clean transport in Southeast Asia. Driven by national sustainability mandates, rising urbanization in major hubs like Ho Chi Minh City, Hanoi, and Da Nang, and the strong expansion of foreign direct investment (FDI) in electronics manufacturing, the country is witnessing an unprecedented surge in demand for localized energy storage and battery solutions.
This massive structural shift requires a highly dependable technical backbone: robust Battery Management Systems (BMS). As Vietnam actively replaces internal combustion engine (ICE) two-wheelers with smart electric motorcycles (e-scooters), local manufacturers demand hardware BMS capable of surviving extreme ambient humidity, torrential seasonal rain, and high operating temperatures. These harsh environmental factors make high-quality thermal runaway prevention and advanced environmental sealing crucial for battery pack integrity.
Furthermore, Vietnam's commercial and industrial (C&I) sectors are investing heavily in rooftop solar systems coupled with battery energy storage systems (BESS). A reliable hardware BMS is the primary safeguard preventing catastrophic cell damage, assuring operational safety, and maximizing the financial return on investment of clean energy storage systems across Vietnam's economic zones.
When selecting a BMS framework for deployment in tropical regions like Vietnam, engineers must evaluate the trade-offs between pure hardware protection and complex software-driven architectures. A hardware-defined BMS operates entirely on dedicated, hardwired integrated circuits (ICs) that monitor analog voltages and currents directly. Without a boot-up sequence, operating system, or firmware layer, hardware BMS units deliver instantaneous response times to critical failure modes, such as short-circuits and over-voltages.
In high-humidity, high-temperature climates, firmware corruptions due to condensation, electrostatic discharges (ESD), or software loops are eliminated with hardware-based boards. For two-wheelers, light electric delivery fleets, and power tools, hardware BMS boards provide unmatched reliability and highly competitive cost structures. We employ high-precision ICs and premium metal-oxide-semiconductor field-effect transistors (MOSFETs) with exceptionally low internal resistance, minimizing localized heat generation under heavy continuous loads.
For applications demanding telemetry (such as battery status display or fleet management), our hybrid intelligent BMS integrates a core hardware protection circuit with auxiliary CAN/Bluetooth communication protocols. This dual-layer architecture guarantees that even if communication lines fail under extreme vibration or interference, the core analog protection mechanism remains fully operational to isolate and protect the cells.
We design and manufacture battery protection systems targeting the exact industrial realities of the Southeast Asian region.
High-discharge hardware boards configured with conformal coating to defend against high humidity and flooding in cities like Ho Chi Minh and Hanoi.
Reliable balancing boards for balcony and home solar micro-inverter battery systems, boosting round-trip efficiency and ensuring long-term grid safety.
Stable 48V (15S/16S) configurations optimized for remote telecom towers. Seamless switchover capability ensures zero down-time for local networks.
In the global market, navigating the complexities of component sourcing, manufacturing lead times, and technological iterations requires a partner with deep supply chain resilience. As a premier Chinese BMS manufacturer, Shenzhen Litongwei Electronic Technology Co., Ltd. provides Vietnamese businesses with direct factory access, cutting out intermediate margins while maintaining absolute component traceability.
Our dual-location manufacturing infrastructure consists of a 13,000 square meter facility in Shenzhen and a 27,000 square meter factory in Dongguan. Outfitted with 24 high-speed, fully automated SMT pick-and-place lines and 12 state-of-the-art PCBA processing lines, our production capability yields over 15 million high-performance protection board units monthly. This massive scale guarantees that we can absorb raw material price volatility and secure critical semiconductors even during global supply shortages.
By partnering with Litongwei, Vietnamese clients leverage our comprehensive R&D investment—exceeding 10% of annual revenue for five consecutive years. This scale of investment translates directly to product quality, allowing us to supply highly integrated shared board designs that reduce client engineering cycles, lower warehousing costs, and improve end-product time-to-market.
Since 2005, Litongwei has evolved from a specialized R&D team to an international power management leader.
Initiated deep research and manufacturing of digital Battery Management Systems. Secured ISO9001 quality system certification in 2007 and ISO14001 in 2009 to lay the foundation for premium quality control.
Acquired multiple utility model and design patents. Established the dedicated Litongwei Technology Research Institute in 2012, setting benchmarks for battery safety standards across Asia.
Achieved IATF16949 certification in 2018, conforming to strict automotive supply chain standards. Implemented full MES systems for absolute component tracking and traceability.
Embraced Industry 4.0 paradigms. Developed CAN/Bluetooth communication architectures and Cloud Platform Remote Maintenance tools to serve globalized micro-mobility networks.






Litongwei is proud to partner with industry giants including Huawei, Lenovo, Desay, Guoguang, Sunwoda, Eve Energy, Guoxuan High-tech, and other leading global brands.
As battery chemistry moves toward higher energy densities, the role of the BMS must evolve. Our R&D roadmap is actively targeted at addressing these upcoming shifts, focusing on several primary areas: safety, longevity, and intelligent cloud integration.
1. Adaptive Active Balancing: While traditional passive balancing dissipates excess energy as heat, our next-generation active balancing circuits dynamically transfer energy from high-state-of-charge cells to weaker ones. This mechanism reduces internal thermal buildup, crucial for closed battery configurations exposed to high ambient temperatures in Vietnam.
2. Advanced Solid-State Compatibility: We are continuously optimizing our hardware protection circuits to handle the specific voltage curves and internal resistance trends of next-generation solid-state and semi-solid-state lithium cells, securing our clients' product roadmaps for the next decade.
3. AI-Driven State of Health (SOH) Prediction: By matching hardware-level analog data with cloud-based analytics, we enable predictive diagnostics. This helps fleet managers detect cell anomalies long before a physical breakdown or thermal runaway event occurs.
A diverse array of custom engineered protection systems and solar accessories for micro-grid, smart appliance, and heavy industrial applications.
Navigating cross-border trade demands rigorous compliance and quality control. At Litongwei, we don't just export products; we offer full integration support for our Vietnamese partners. Our BMS protection boards are built and certified according to global benchmarks including CE, FCC, RoHS, and UL, aligning directly with Vietnam's TCVN standards for electric transport batteries and stationary energy storage storage applications.
We provide comprehensive intellectual property protection, offering collaborative patent licensing and custom schematic design to prevent trademark or patent infringement risks. This helps our clients export their battery products globally, without encountering intellectual property roadblocks in EU or North American markets.
Furthermore, each PCBA batch undergoes rigorous Automatic Optical Inspection (AOI), automated functional testing (FCT), and extreme temperature cycling before packaging. This guarantees that every hardware BMS delivered to Da Nang, Haiphong, or Ho Chi Minh City is ready to function immediately in demanding industrial environments.
Expert technical answers regarding BMS selection, deployment, and integration for Vietnam's industries.
Vietnam's high humidity and ambient temperatures can cause condensation, leading to voltage leakage or software lockups in software-driven microcontrollers. A hardware BMS relies on analog circuitry and dedicated ICs that react instantly to voltage and current overloads. It has no boot-up delay, no operating system to freeze, and handles harsh environments with superior reliability, all while keeping manufacturing costs low.
Yes. Litongwei has a dedicated R&D division holding over 100 patents. We can customize board parameters for Lithium Iron Phosphate (LiFePO4/LFP), Lithium Cobalt Oxide (LCO), and Nickel Manganese Cobalt (NMC) cells. Options include tailoring over-current thresholds, temperature sensor points (NTC), and adding physical switches or digital interfaces (CAN, Bluetooth, RS485).
Our company is ISO9001:2015, ISO14001:2015, and IATF16949:2018 certified. The protection boards conform to international CE, RoHS, and FCC criteria. This ensures the systems comply with Vietnam's local electronics import regulations and support smooth export to Europe and the United States.
We work in close cooperation with clients to build secure patent walls. Litongwei offers patent collaboration options and will sign NDA and IP protection contracts, ensuring that all customized circuit layout design, software firmware, and product blueprints remain strictly confidential and protected from infringement.
Our monthly output reaches over 15 million units across 12 automated PCBA lines. For standard shared board designs, we maintain strong stock levels for rapid dispatch. Custom BMS boards have variable lead times depending on the complexity of design iterations. Please contact our sales engineers for specific MOQ and shipment timetables tailored to your company's scale.
Partner with Litongwei for reliable, factory-direct hardware BMS boards and custom power protection electronics. Our engineering team is ready to assist you.