Explore our elite line of intelligent battery management systems, protective boards, and integration accessories manufactured directly at our high-speed PCBA factory.
Within the domain of large-scale lithium battery pack integration, maintaining voltage consistency across series-connected cells is critical. Cell-to-cell variance, induced by temperature gradients, manufacturing tolerances, and chemical degradation, inevitably causes capacity loss and premature system failure. This is where the engineering superiority of active cell balancing becomes indispensable.
Litongwei's proprietary active balancing circuits operate at peak efficiency, transferring currents up to 5A or more depending on configuration. This system level optimization significantly increases the usable energy capacity of the pack (typically by 15% to 25% for aged packs) and eliminates localized thermal hot-spots, greatly enhancing industrial safety.
| Performance Metrics | Passive Balancing (Standard BMS) | Litongwei Active Equalization (Intelligent BMS) | Industrial Advantage |
|---|---|---|---|
| Balancing Method | Resistive Heat Dissipation | Dynamic Charge Transfer (Inductive/Transformer) | Zero heat dissipation issues, higher efficiency |
| Balancing Current | 30mA - 100mA (Nominal) | 1.2A to 6A (Scalable) | Up to 60x faster recovery from cell deviation |
| Energy Conservation | Energy wasted as heat (0% transfer efficiency) | 92% - 96.5% transfer efficiency | Saves pack capacity, improves battery lifetime |
| Application Scope | Low-power consumer tools | AGV, ESS, E-Vehicles, High-Capacity Power Tools | Extends lifetime of complex multi-series systems |
Why global Tier-1 OEMs select Shenzhen Litongwei Electronic Technology as their primary design-to-manufacture partner.
Our strategic manufacturing location in the Pearl River Delta allows Litongwei to source raw semiconductors, high-density magnetic components, and multilayer PCBs at unmatched velocities. This integration significantly lowers lead times for custom Active Cell Balancers from months to weeks.
How our active balancing solutions resolve critical pain points in energy distribution, smart grids, and electric mobility.
Electric scooters, golf carts, AGVs, and cargo tricycles experience highly erratic discharge profiles. Traditional passive systems cause rapid degradation of weakest cell blocks, drastically lowering battery lifespan. Litongwei's smart active balancing BMS systems dynamically equalize cell voltages during high-drain operations, extending pack lifespan by up to 35%.
Modern residential energy storage (like balcony micro-inverters and power stations) requires continuous operating cycles. By integrating intelligent communication protocols (CAN, Bluetooth, Modbus), our smart active balancers report real-time cell parameters to central cloud platforms, allowing preventative maintenance and remote configuration changes.
Global procurement teams demand stringent regulatory adherence. Litongwei maintains standard certifications including ISO9001, ISO14001, and IATF16949 for automotive-grade reliability. Every active balancing unit is manufactured with flame-retardant materials, intelligent heating functions for sub-zero operations, and comprehensive NTC safety checks.
Established in 2005, Shenzhen Litongwei Electronic Technology Co., Ltd. is a recognized 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.
Over 18 years of pioneering engineering in safety control systems and BMS 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.
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.
Technical answers to critical integration, manufacturing, and sourcing questions.
Discover additional high-quality protection modules, intelligent communications accessories, and integration systems designed to optimize energy performance.
Litongwei Electronic