Technology Reigns Supreme, Efficient Service
LTW 20S 200A Lithium Battery Protection Board with Bluetooth, Screen & Heating
China LTW 20S 120A Bluetooth Lithium Battery Protection Board - Intelligent Multi-Cell
20S 100A Lithium Battery Protection Board with NTC, Intelligent BMS
LTW 20S 120A Intelligent Heating Lithium Battery Protection Board with Bluetooth
Urban logistics is undergoing a radical transformation. As global e-commerce continues to surge, the demand for "last-mile" delivery solutions has never been higher. Electric tricycles have emerged as the backbone of this sector, offering a perfect balance between agility, load capacity, and environmental sustainability. However, the efficiency of these vehicles depends heavily on their core power systems: the Small Inverter and Battery.
In mega-cities across Asia, Europe, and North America, traditional delivery vans are facing challenges such as traffic congestion and strict emission zones. Electric tricycles, equipped with advanced Lithium Battery Protection Boards (BMS), provide a zero-emission alternative that can navigate narrow streets and park easily. The integration of a small inverter allows these vehicles to not only power their motors but also run auxiliary equipment like cold-storage units or electronic scanning devices.
A "Small Inverter" in the context of an electric tricycle is more than just a power converter. It is a bridge between the DC battery pack and AC-powered tools or climate control systems. For urban logistics, this means the ability to maintain a cold chain for fresh food or pharmaceutical deliveries. Litongwei’s intelligent power solutions ensure that these inverters operate with maximum efficiency, minimizing energy loss and extending the vehicle's range.
Understanding the application is key to optimizing the hardware. Here is how our small inverters and battery management systems are being used today:
The future of urban logistics lies in Connectivity. Litongwei is at the forefront of this trend by integrating Bluetooth and IoT modules into our 20S 200A and 120A Lithium Battery Protection Boards. Fleet managers can now monitor battery health, temperature, and SOC (State of Charge) in real-time via cloud platforms. This proactive maintenance reduces downtime and significantly lowers the total cost of ownership for logistics companies.
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.
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!







Technology-driven growth. Commenced R&D of BMS in 2005. ISO9001 certification in 2007.
Secured 8 utility patents in 2011. Established Litongwei Technology Research Institute in 2012.
Digital transformation. Achieved IATF16949 certification in 2018. Leading brand in two-wheeled vehicle protection.
Smart Manufacturing+. Deepening IoT and Industry 4.0 strategies to drive industrial transformation.
Over 40,000 sqm of factory space across Shenzhen and Dongguan. 24 high-speed pick-and-place machines, producing 15 million units monthly.
Consistently investing more than 10% of sales revenue into R&D for five consecutive years to stay ahead of market trends.
Over 100 patents in the lithium battery protection board industry, ensuring high security and unique IP for our global clients.
LTW 20S 200A Lithium Battery Protection Board
China LTW 20S 120A Bluetooth BMS
20S 100A Lithium Battery Protection Board
LTW 20S 120A Intelligent Heating BMS
30A Lithium Battery Protection Board LTW 13-Series
500W Portable Power Bank 1 kWh with Inverter
China 30A Lithium Battery Protection Board LTW 13S
20S 100A Lithium Battery Protection Board with NTC
To truly understand the value of a high-quality Small Inverter and Battery system, one must look at the technical challenges of urban logistics. Electric tricycles operate in harsh conditions—frequent stop-and-go traffic, varying weather temperatures, and high-vibration environments. A standard battery system without a robust BMS would fail within months.
Our LTW 20S 120A Intelligent Heating Lithium Battery Protection Board is specifically designed for cold climates. In regions like Northern Europe or Northern China, lithium batteries lose significant efficiency in winter. The intelligent heating function ensures the battery remains at an optimal operating temperature, maintaining the range of the logistics tricycle even in sub-zero conditions. This is a game-changer for logistics companies that need year-round reliability.
The 500W Portable Power Bank with Bidirectional Inverter technology represents the next step in mobile energy. For urban logistics, this means the battery can be charged from multiple sources—PV panels on the roof of the tricycle or standard wall outlets—and then provide stable AC power for onboard tools. This versatility is essential for the "Gig Economy" where a single vehicle might serve as a delivery trike in the morning and a mobile repair station in the afternoon.
Safety is the most critical factor when deploying thousands of lithium-powered vehicles in a city. Our protection boards offer multi-layered safety protocols, including over-charge, over-discharge, short-circuit, and high-temperature protection. By using NTC (Negative Temperature Coefficient) sensors, our 20S 100A BMS monitors the internal temperature of the cells with precision, preventing thermal runaway before it starts.
For a logistics company, the Total Cost of Ownership (TCO) is the metric that matters. A cheaper, non-intelligent BMS might save money upfront, but the lack of balance and protection leads to premature battery failure. Litongwei’s 200A and 120A boards ensure that every cell in the pack is balanced, extending the overall battery life by up to 30%. In a fleet of 500 tricycles, this translates to hundreds of thousands of dollars in saved replacement costs.
As we look toward 2030, the electrification of urban logistics is inevitable. The integration of Small Inverters and Advanced Lithium Batteries will continue to drive this change. Shenzhen Litongwei Electronic Technology Co., Ltd. remains committed to providing the "brain" and "nervous system" for these vehicles, ensuring they are safe, efficient, and smart. Whether you are a manufacturer of electric tricycles or a logistics provider looking to upgrade your fleet, our range of intelligent BMS and power solutions is designed to meet your specific needs.