Explore our highly integrated, smart communication-capable BMS and energy storage modules engineered for global compliance and demanding operating profiles.
In the rapidly changing global energy sector, the demand for stable, reliable, and high-density electrical storage solutions has positioned the 48V Lithium Iron Phosphate (LiFePO4) battery pack as the global standard for secondary low-voltage applications. As solar microgrids, off-grid systems, material handling machinery, and industrial telecom setups transition away from obsolete lead-acid batteries, the engineering specifications of the Battery Management System (BMS) have become the key point of system optimization. A high-efficiency, industrial-grade BMS does not simply protect the cells; it dictates the efficiency, longevity, thermal safety, and communication capabilities of the entire power system.
At Shenzhen Litongwei Electronic Technology Co., Ltd., we understand that a 48V LiFePO4 BMS is a critical component in ensuring system uptime. Whether deployed in a 15S or a 16S configuration, our BMS systems provide active cell balancing, precise State of Charge (SoC) calculations, and state-of-the-art protections against overcurrent, overvoltage, deep discharge, and thermal runaway.
The global market for 48V LiFePO4 battery infrastructure is experiencing exponential growth, driven by key macro trends in industrial automation, decentralized energy systems, and communications infrastructure:
Sourcing from a primary Chinese manufacturer like Litongwei offers clear efficiency, cost-benefit, and quality assurance advantages over standard assembly suppliers:
We operate 13,000 square meters of independent manufacturing space in Shenzhen, complemented by a 27,000 square meter factory in Dongguan Huangjiang. Our facilities house 24 high-speed SMT pick-and-place lines and 12 fully automated PCBA assembly lines, allowing us to produce over 15 million units monthly.
For more than five consecutive years, we have committed over 10% of our annual sales revenue back into R&D. With over 100 patents in safety controls, testing setups, and firmware algorithms, our Litongwei Technology Research Institute continues to develop advanced battery safety technologies.
Our facilities are certified under ISO9001, ISO14001, and the automotive standard IATF16949. By implementing a real-time MES system for automated component tracing and warehouse management, we track every component from raw material incoming inspection to final FCT testing.
When drafting request proposals (RFPs) for wholesale orders, engineering teams must evaluate key technical factors to guarantee long-term compatibility and system performance:
A nominal 48V LiFePO4 battery pack is typically designed as a 15S (nominal 48.0V) or 16S (nominal 51.2V) configuration. The 16S setup is generally preferred for telecom setups and high-capacity solar systems due to its compatibility with standard charging systems that operate up to 54V-56V. Litongwei provides custom firmware configurations for both 15S and 16S platforms, adjusting overvoltage protection limits and balancing thresholds to match your specific cell manufacturer's datasheet.
Industrial energy storage systems must communicate with host systems or local microgrid controllers. Litongwei BMS modules integrate multiple communication channels:
Charging LiFePO4 cells below 0°C can trigger lithium plating, leading to internal short circuits and battery failure. Litongwei's advanced BMS features built-in heating controllers. When a charging current is detected in sub-zero environments, the BMS diverts energy to heating pads to bring cell temperatures to safe levels before enabling charging currents.
Our track record spanning two decades demonstrates our long-term commitment to innovation, reliability, and manufacturing excellence:
In 2005, Litongwei launched its R&D and production operations for digital BMS. By 2006, the product line expanded into high-power applications. The company obtained ISO9001 quality certification in 2007 and ISO14001 environmental certification in 2009.
Litongwei secured 8 utility model and design patents in 2011 while expanding mobile power bank production. The Litongwei Technology Research Institute was established in 2012. We received the Del New Energy Quality Excellence Award in 2014 and were named a Gold Partner by Gaogong Lithium Battery in 2015.
Certifications were updated to current international standards in 2016. In 2018, we attained IATF16949 automotive quality certification and integrated an automated MES system for warehouse logistics. The company received the Guangdong Battery Industry Association Innovation Award in 2019 and was recognized as a top brand for two-wheeled vehicle safety boards in 2020.
Today, Litongwei continues to drive industrial upgrading by incorporating IoT, Industry 4.0 standards, and edge-computing safety algorithms into our high-capacity 48V BMS solutions.
We collaborate closely with leading global brands and energy storage companies. Our long-term partners trust Litongwei's safety boards to protect their battery cells and systems:








Industry partners include Huawei, Lenovo, Desay, Guoguang, Sunwoda, Eve Energy, Guoxuan High-tech, and other leading energy system providers.
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