OEM E Bike BMS Factories & Company

Pioneering Intelligent Battery Safety Control Systems & Advanced Micro-Mobility BMS Engineering Worldwide

Global E-Bike Evolution: The Imperative for Custom BMS Integration

The micro-mobility landscape is transitioning from consumer leisure tools to high-frequency urban infrastructure. Central to this paradigm shift is the Lithium-ion Battery Management System (BMS). As an OEM E-Bike BMS factory, we understand that modern micro-mobility solutions must meet rigorous international standards for safety, lifespan, thermal stability, and telemetry integration.

Industrial procurement teams require more than just off-the-shelf protection circuits. They need highly customized engineering platforms capable of dealing with the extreme environments of commercial sharing fleets, high-drain logistics cycles, and cold-weather operations. Standard off-the-shelf boards often fail to provide the granularity in state-of-charge (SOC) and state-of-health (SOH) estimations needed for fleet operators to optimize asset dispatching and battery life.

By working directly with specialized manufacturers, global brands secure proprietary firmware architectures, active safety parameters, and hardware designs that align perfectly with their specific cell-chemistry configurations (NMC, LFP, LTO), avoiding the expensive overhead of system failures and warranty liabilities.

Corporate Vision Litongwei
Litongwei Electronics Factory Floor
SMT Line Assembly
BMS Testing Equipment

About Shenzhen Litongwei Electronic Technology Co., Ltd.

Established in 2005, Shenzhen Litongwei Electronic Technology Co., Ltd. is a national high-tech enterprise specializing in the R&D, design, and precision manufacturing of lithium-ion safety control systems and smart battery management solutions. With nearly two decades of engineering excellence, we have emerged as a premier manufacturer in the new energy space, supplying advanced technology across a broad array of industries.

Our robust portfolio spans solutions for 3C digital devices, electric scooters, e-bikes, electric motorcycles, utility tricycles, commercial golf carts, Automated Guided Vehicles (AGVs), drones, and specialized power tools. By maintaining vertical control over software engineering, hardware design, and layout optimization, we ensure that every board is customized for optimal efficiency.

We address the complex technological, financial, and regulatory challenges of modern businesses by providing comprehensive intellectual property protection, shared industrial boards for cost-efficiency, full manufacturing line traceability (via MES systems), and cloud-based remote maintenance support. Partner with Litongwei to drive sustainable, high-security power solutions globally.

Corporate Development Timeline

A history of engineering innovation, rapid industrialization, and global standards compliance.

2005 - 2010
Technological Foundation

In 2005, the company launched dedicated R&D and manufacturing of digital Battery Management Systems (BMS). By 2006, operations expanded into power battery systems. We secured ISO9001 certification in 2007 and achieved ISO14001 certification in 2009.

2010 - 2015
IP Expansion

Secured 8 utility model and design patents in 2011 while entering the high-capacity mobile power market. Established the Litongwei Technology Research Institute in 2012. Recognized with the Del New Energy Quality Excellence Award in 2014 and Gaogong Gold Partner status in 2015.

2015 - 2020
Digital Automation

Upgraded quality certs in 2016. Attained IATF16949 automotive quality management compliance in 2018, integrating full-traceability MES systems. Awarded the Guangdong Battery Industry Innovation Award in 2019, securing the top spot in 2-wheel vehicle BMS tech by 2020.

2020 - 2025
Smart Manufacturing+

Embracing Industry 4.0 and advanced IoT architectures. We integrate real-time Bluetooth, CAN bus telemetry, and predictive algorithms to serve global clients with smart manufacturing capabilities and advanced green energy systems.

2005
Year Established
40,000㎡
Total Production Area
15M+
Monthly Unit Output
100+
Industry Patents

Global Enterprise Procurement Demands

Addressing supply chain risks, functional safety protocols, and strict cost controls across key geographic zones.

North America: UL 2849 and High Run-Time Efficiency

U.S. and Canadian procurement managers prioritize strict adherence to safety standards such as UL 2849 (electrical systems for e-bikes). Our OEM factory solutions provide hardware-level redundancy, dedicated NTC temperature sensors, and high-efficiency discharge pathways to guarantee compliance, mitigate liability risks, and ensure safe charging cycles in extreme weather.

Europe: EN 15194, Smart Telemetry & CAN Bus

The European micro-mobility segment demands functional compliance with EN 15194 alongside intelligent communication interfaces. We specialize in custom designs supporting CAN, UART, and RS485 communication protocols. These integrations offer real-time cell voltage diagnostics, precise state-of-health tracking, and seamless integration with mid-drive motor controllers.

Global Logistics: Robustness & Active Thermal Protection

Commercial operators and shared-mobility brands require hardware built to endure mechanical stress, vibrations, and rapid thermal fluctuations. By engineering advanced passive structures, customized vibration dampening, and integrated heating modules for cold-climate regions, we assure high durability and trouble-free performance.

Industrial Production Capacity & R&D Excellence

A closer look at our high-speed assembly facilities and proprietary patent portfolio.

Advanced Manufacturing Footprint

We operate over 13,000 square meters of independent manufacturing space in Shenzhen, alongside an expansive 27,000 square meters facility in Dongguan Huangjiang. Equipped with 24 high-speed SMT pick-and-place systems and 12 specialized PCBA production lines, we comfortably reach a monthly production volume exceeding 15 million units.

Sustained R&D Investment

Continuous improvement is core to our corporate DNA. Over the past five consecutive years, we have systematically re-invested more than 10% of our annual sales revenue directly back into our engineering departments and laboratory facilities. This ensures we stay ahead of battery safety standards.

Patents and IP Security

With over 100 patents in circuit topologies, safety diagnostics, and automated testing methods, Litongwei delivers verified technology. We assist customers with patent collaboration, ensuring custom designs remain proprietary while minimizing the risk of patent infringement.

Future-Proofing E-Bike Energy: The Technical Roadmap

How Litongwei is reshaping intelligent battery control through hardware and software innovation:

  • Advanced Balancing Topologies: Beyond simple passive balancing, we design active energy distribution configurations that move charge from cell to cell, reducing energy loss and maximizing pack life.
  • Integrated Thermal Management (Heating BMS): Our heating-enabled BMS solutions allow battery cells to heat themselves during freezing charge cycles, protecting the lithium plating structure and preserving battery life.
  • Dynamic Cloud Diagnostics & MES Systems: Using cloud-based data streaming and MES traceability, fleet managers can monitor battery packs in real-time, helping to identify potential cells issues before they can cause safety incidents.
Production Process MES

Trusted by Industry Leaders

We work closely with major electronics, consumer goods, and energy companies worldwide.

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.

Expert Q&A: In-Depth Battery Protection Insights

Technical guidance from our senior engineering team to help you navigate safety protocols, connectivity, and customization options.

Q: What are the key differences between passive and active balancing in E-Bike BMS designs?
Passive balancing bleeds off excess charge from high-voltage cells as heat through a resistor grid, which is cost-effective but generates thermal load. Active balancing transfers energy from stronger cells to weaker ones dynamically. This minimizes heat, increases pack efficiency, and extends overall runtimes—making it ideal for high-capacity systems.
Q: How does the heating function on a smart BMS protect batteries in sub-zero environments?
Charging lithium batteries below freezing temperatures can cause permanent lithium plating, which reduces capacity and increases thermal runaway risks. A heating-enabled BMS routes incoming charging current to internal heating elements first. Once the pack reaches a safe temperature, the BMS opens the charging pathway, protecting the battery's chemical structure.
Q: What communication protocols are available on your smart BMS modules, and how do they integrate?
Our boards support CAN, RS485, UART, and Bluetooth. CAN is the standard for high-speed motor controller communication, while RS485 and UART are common for telemetry and auxiliary systems. Bluetooth modules allow technicians and users to monitor real-time battery status via mobile applications.
Q: How does Litongwei ensure IP-rated protection and weatherproof performance for micro-mobility?
Our micro-mobility and outdoor BMS boards use high-performance conformal coating and structural potting processes. This achieves IP67 rating, protecting the circuitry against water ingress, condensation, dust, and mechanical vibration.
Q: Can the overcurrent and thermal protection thresholds be customized after manufacturing?
Our hardware-based protection boards feature fixed safety limits, while our smart micro-controller-based BMS units allow authorized users to adjust threshold values within safe limits via programming interfaces or our custom software suite.
Q: How does the MES (Manufacturing Execution System) improve quality control and traceability?
Our MES tracks every step of production. Every board is logged with a unique ID, recording component lot numbers, SMT data, functional test results, and quality checks. This system allows for rapid troubleshooting and provides complete quality verification for our partners.