Technology Reigns Supreme, Efficient Service
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Technology Reigns Supreme, Efficient Service
Explore our flagship Protection Circuit Modules engineered specifically for urban electric scooter applications
A Protection Circuit Module (PCM), also referred to as a Battery Management System (BMS) in more advanced configurations, is the electronic brain embedded within every lithium-ion battery pack. For office workers who rely on electric scooters as their daily commuting vehicle, the PCM is the single most critical component that determines battery longevity, riding safety, and overall user experience.
Modern commuting scooters operate in highly variable urban environments — from cold underground parking garages to hot summer streets, from gentle flat roads to steep urban inclines. The PCM continuously monitors cell voltage, current flow, temperature gradients, and state-of-charge, intervening in real time to prevent overvoltage, undervoltage, overcurrent, short circuits, and thermal runaway events.
Without a high-quality PCM, even the best lithium cells can degrade rapidly or, in worst-case scenarios, cause fires. This is why the quality and intelligence of the Protection Circuit Module is not merely a technical specification — it is a fundamental safety guarantee for every daily commuter.
Overvoltage, undervoltage, overcurrent, short-circuit, and over-temperature protection — all operating within microseconds to keep riders safe.
Bluetooth-enabled BMS modules allow riders to monitor battery health, remaining range, and charge cycles directly from a smartphone app.
Integrated NTC and heating circuits ensure optimal battery performance even in sub-zero temperatures — essential for year-round commuters.
The global electric scooter market is undergoing rapid transformation — and PCM technology is at the center of it
The global electric scooter market was valued at over USD 28 billion in 2023 and is projected to exceed USD 54 billion by 2030, growing at a CAGR of approximately 9.8%. A significant driver of this growth is the surge in urban commuters — particularly office workers in densely populated cities across Asia, Europe, and North America — who are adopting electric scooters as their primary last-mile transportation solution.
This explosive demand has placed enormous pressure on battery system manufacturers to deliver PCMs that are not only safer and more reliable, but also smarter, lighter, and more cost-effective. The industry is witnessing a convergence of IoT connectivity, AI-driven battery analytics, and advanced thermal management technologies within the PCM segment.
Asia-Pacific leads global scooter adoption, with China, India, and Southeast Asia accounting for over 65% of unit sales. PCM demand in this region is growing at double-digit rates annually, driven by urbanization and government green transport incentives.
The next generation of commuter scooter BMS features real-time cloud connectivity, GPS anti-theft integration, and predictive maintenance alerts — transforming the PCM from a passive protector into an active fleet management tool.
Shared scooter operators (Lime, Bird, Neuron, Hellobike) require industrial-grade PCMs with remote diagnostics, high cycle durability (3,000+ cycles), and swappable battery compatibility — pushing PCM manufacturers toward more sophisticated designs.
Tightening global regulations (UN38.3, IEC 62133, UL 2272, EN 15194) are raising the bar for PCM certification. Manufacturers who invest in compliance gain significant competitive advantages in premium markets such as Europe and North America.
As scooter commuting expands into northern regions, PCMs with integrated heating management are becoming a standard requirement rather than a premium feature — a trend that is reshaping product roadmaps across the industry.
Office commuters demand faster charging times and longer range. PCMs supporting 200A+ continuous discharge and rapid charge protocols (3C and above) are increasingly sought after in the premium commuter segment.
Every feature is engineered around the real-world demands of daily urban riders
Hardware and software dual-layer protection responds within microseconds to prevent cell damage during sudden acceleration or hill-climbing scenarios common in urban commuting.
Real-time SOC, SOH, temperature, and fault code data transmitted to the rider's smartphone. Enables proactive maintenance and eliminates unexpected battery failures mid-commute.
Integrated NTC sensors and heating film circuits maintain battery cells within the optimal 15°C–45°C operating window, extending cycle life and preserving capacity in all seasons.
Active and passive balancing algorithms ensure uniform charge distribution across all cells in 13S and 20S configurations, maximizing usable energy and pack longevity.
Select LTW PCM models support direct connection to a 4.3-inch color display panel, providing riders with intuitive battery status visualization without requiring a separate device.
Anti-reverse connection circuitry protects against installation errors. Integrated switch control and authentication logic provide an additional layer of scooter security for urban environments.
Beyond basic protection — how advanced PCMs unlock value across diverse real-world scenarios
For the typical 10–30km round-trip office commute, PCMs with precise SOC estimation ensure riders are never caught off-guard by unexpected battery depletion. Bluetooth alerts notify users when charging is recommended before the next morning's ride.
Office buildings and residential complexes increasingly require certified safe charging. PCMs with IEC 62133 and UL 2272 compliance, combined with over-charge cutoff and temperature monitoring, address fire safety concerns in enclosed charging environments.
Fleet operators leverage IoT-enabled PCMs to remotely monitor hundreds of vehicles simultaneously — tracking battery health, scheduling preventive maintenance, and remotely disabling units with critical faults, dramatically reducing operational costs.
In cities like Beijing, Seoul, or Helsinki, winter temperatures can reduce lithium battery capacity by 20–40%. PCMs with integrated heating activation (triggered at configurable low-temperature thresholds) restore full performance and prevent cell damage from cold charging.
Battery swap networks (popular in Taiwan, Vietnam, and expanding globally) require PCMs with standardized communication protocols and rapid charge acceptance. LTW's serial communication-enabled BMS modules are designed for seamless integration with swap station infrastructure.
Large manufacturing campuses and logistics hubs deploy electric scooters for internal transport. These high-duty-cycle applications demand PCMs rated for 200A continuous discharge, extended cycle life, and ruggedized vibration resistance — exactly where LTW's 20S 200A intelligent BMS excels.
We are Shenzhen Litongwei Electronic Technology Co., Ltd., established in 2005, a national high-tech enterprise specializing in the R&D and manufacturing of lithium-ion safety control systems. 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.
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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!
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Three pillars of competitive advantage that set Litongwei apart in the global PCM market
Shenzhen has over 13,000 square meters of independent factory space, and Dongguan Huangjiang has 27,000 square meters. The company is equipped with 24 pick-and-place machines for high-speed assembly and 12 PCBA production lines, with Litongwei's monthly output reaching over 15 million units.
Litongwei's R&D investment has consistently accounted for more than 10% of the company's sales for five consecutive years — a commitment that drives continuous innovation in PCM performance, reliability, and intelligent features.
The company holds over 100 patents in the lithium-ion battery protection board industry, along with multiple patents in circuit/testing programs and automation. It provides enhanced intellectual property protection for clients and collaborates with them to mitigate infringement risks.
Two decades of continuous innovation in lithium battery protection technology
In 2005, the company commenced R&D and manufacturing of digital Battery Management Systems (BMS). By 2006, it 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 in the global PCM market.
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.
From 13S 30A entry-level to 20S 200A high-performance — LTW covers every commuter scooter application
