Explore our primary range of intelligent lithium protection boards customized for European grid compliance, electric logistics fleets, and industrial assembly lines across Hungary.
Over the last decade, Hungary has emerged as one of the most critical automotive and battery manufacturing hubs in the European Union. Supported by major foreign direct investments in massive gigafactories (such as CATL in Debrecen, Samsung SDI in Göd, and SK On in Komárom and Iváncsa), the region is scaling up battery production capacity to unprecedented levels. This rapid industrialization demands an equally sophisticated upstream supply chain, specifically in the realm of highly reliable Hardware Battery Management Systems (BMS).
A Hardware BMS forms the safety backbone of any lithium-ion battery pack, providing primary circuit protection without relying on complex software stacks that can be vulnerable to bugs, firmware corruption, or external interference. For Hungarian battery pack assemblers, industrial OEMs, and logistics providers, obtaining CE-compliant, factory-direct hardware protection systems is vital to ensuring low-latency protection against overcurrent, short circuits, thermal runaways, and voltage imbalances.
Litongwei, with nearly two decades of engineering expertise, acts as a dedicated tech partner for Hungary-based businesses. We align our manufacturing protocols with strict European safety standards, delivering highly responsive hardware protection boards directly to localized manufacturing clusters in Central Europe.
Integrating safety, efficiency, and compliance to meet the strict demands of European tier-1 battery integration and logistics platforms.
Equipped with high-performance analog front-ends (AFE) and hardware comparator circuits that trigger short-circuit cuts in under 200 microseconds, protecting delicate cells and industrial machinery from catastrophic thermal runaways.
Manufactured under IATF 16949 automotive quality standards. Every BMS undergoes full-process traceability (MES tracking) and complies with CE, RoHS, and EN 62619 guidelines for European light electric vehicles and grid energy storage.
Integrated Negative Temperature Coefficient (NTC) thermistors monitor localized heat gradients. Our intelligent designs automatically halt charging and discharging if temperatures deviate from pre-configured safety zones.


Established in 2005, Shenzhen Litongwei Electronic Technology Co., Ltd. is a national high-tech enterprise specializing in the R&D and manufacturing of lithium-ion safety control systems. Over nearly two decades, we have established ourselves as a reliable global leader in BMS design.
Our products are widely used in 3C digital devices, electric scooters, bicycles, motorcycles, tricycles, golf carts, AGVs, drones, and power tools. We provide intellectual property protection (patent collaboration to prevent infringement), industry-standard shared boards (cost reduction and efficiency improvement), full-process traceability (quality control), and remote maintenance (cloud platform support) to help you address technical, cost, and operational challenges. By choosing us, you'll receive top-tier products and services. Litongwei is committed to collaborating with you to build a brighter future together.
European battery pack integrators, operating within Hungary's regulatory framework, prioritize a balance of electrical reliability, cost efficiency, and ease of assembly. Sourcing high-quality hardware BMS boards requires an understanding of several key metrics:
Traditional protection boards run hot during prolonged heavy discharging, especially in electric scooters, delivery e-bikes, and home energy storage (ESS) systems. Litongwei designs its PCB boards with heavy copper layers (2oz to 4oz) and utilizes ultra-low internal resistance MOSFETs (low RDS_ON). This drastically minimizes heat generation, eliminating the need for bulky heatsinks in tight battery pack geometries.
For applications where charging and discharging occur dynamically (such as regenerative braking systems in cargo tricycles or solar micro-inverter installations), our Same-Port BMS designs (e.g., LTW 20S 100A Balanced BMS) ensure seamless energy flow. This layout simplifies external cabling, lowers installation errors in Hungarian assembly plants, and cuts cost by reducing wire count.
Cell manufacturing deviations can lead to capacity drift over time, limiting the usable capacity of a series pack. Litongwei's Hardware BMS integrates an automatic passive balancing circuit (ranging from 30mA to 100mA balance current). During the terminal phase of charging, the BMS bleeds off energy from higher-voltage cells, allowing weaker cells to reach full charge, extending overall pack life by up to 25%.
In hazardous environments, a single safety layer is insufficient. Our hardware boards feature multiple levels of redundancy, including dedicated secondary overvoltage protection ICs and thermal fuses. This level of defense is highly valued by safety compliance officers managing warehouse AGVs and heavy power tools across European logistic hubs.
"LITONGWEI has always adhered to the philosophy of 'Technology as King, Efficient Service' in all aspects of production and operations. Our vision is to become a provider of intelligent green energy management solutions, embracing environmental sustainability. Start with LITONGWEI!"
As Hungary transitions towards a clean energy economy, we supply carbon-efficient BMS platforms and smart micro-inverter technologies designed to reduce energy waste and extend the operating lifecycle of lithium assets.
A timeline highlighting Litongwei's evolution from a specialized BMS design house to an automated high-capacity manufacturer.
The company commenced R&D and manufacturing of digital Battery Management Systems (BMS). By 2006, operations expanded into power battery management system development. ISO9001 certification was obtained in 2007, followed by ISO14001 certification in 2009.
The company secured 8 utility model and design patents in 2011, while expanding its mobile power bank manufacturing operations. The Litongwei Technology Research Institute was established in 2012. It received the Del New Energy Quality Excellence Award in 2014 and earned the Gold Partner title from Gaogong Lithium Battery in 2015.
The company upgraded its ISO 9001 and ISO14001 certifications in 2016, achieved IATF16949 certification in 2018, and implemented an MES system for warehouse automation. It was awarded the Guangdong Battery Industry Association Innovation Award in 2019 and recognized as a leading brand in lithium battery protection board technology for two-wheeled vehicles in 2020.
Litongwei Electronics continues to innovate, deepening its technological expertise while embracing IoT and Industry 4.0. Through its Smart Manufacturing+ strategy, the company drives industrial transformation and upgrading to serve global markets, including Hungary and Central Europe.
Combining large-scale manufacturing capacity with rigorous quality control, we deliver reliable hardware BMS products tailored for European operations.
With over 13,000 square meters of independent space in Shenzhen and 27,000 square meters in Dongguan Huangjiang, we operate 24 high-speed pick-and-place SMT machines and 12 PCBA lines, yielding a monthly capacity exceeding 15 million units.
We consistently allocate over 10% of our annual sales revenue to engineering research and development. This continuous funding supports our dedicated labs in refining protection board architectures for new chemistries, including LiFePO4 and high-density NMC cells.
Holding more than 100 patents in the lithium-ion battery protection board industry, including advanced circuit logic and customized testing programs, we provide reliable intellectual property protection to safeguard our clients' market access in Europe.
As the electric vehicle and energy storage markets mature in Hungary and neighboring European nations, hardware BMS technology is evolving. The next generation of safety systems is characterized by smart communication, modular construction, and integrated active safety features.
Technical and commercial guidance for engineering and procurement managers in Hungary and the wider EU.
A selection of high-power protection boards and micro-inverter solutions suitable for industrial logistics, AGVs, home energy systems, and battery pack operations in Hungary.
Litongwei's partners include Huawei, Lenovo, Desay, Guoguang, Sunwoda, Eve Energy, Guoxuan High-tech, and other industry brand clients who have collaborated for many years.













