In the realm of advanced energy storage systems, especially those utilizing 48V to 51.2V nominal lithium iron phosphate (LiFePO4) or lithium transition metal oxide batteries, cell inconsistency is an inevitable challenge. Over hundreds of charge-discharge cycles, slight variances in electrochemical capacity, internal resistance, and self-discharge rates escalate. These minor deviations lead to a reduction in pack capacity, accelerated aging, and potential safety risks. Traditional passive balancing mechanisms mitigate these issues by dissipating excess energy as waste heat through resistors, which is inefficient and generates unwanted heat inside the pack.
As a leading OEM Active Balancer 16s Manufacturer, Shenzhen Litongwei Electronic Technology Co., Ltd. addresses this design constraint with our dynamic active energy distribution systems. Our 16s active balancer architectures run continuous real-time analysis across sixteen series-connected cells. Rather than burning off excess capacity, the active balancer transfers charge dynamically from cells with higher state-of-charge (SOC) to cells with lower SOC. This zero-waste charge shuttling maintains tight voltage variance under high loads, unlocks additional usable capacity, and significantly extends the cycle life of commercial and residential battery packs.
Utilizing high-frequency switched-inductor technology, energy is temporarily stored in magnetic fields and routed to adjacent lower-voltage cells. This provides cost-effective balancing currents up to 2A, suitable for localized small-scale ESS and standard telecom backup applications.
Built on switched-capacitor matrix configurations, energy transfers directly across the whole array of 16 cells in parallel. Our low-impedance topologies achieve high energy efficiency with minimal EMI signature, perfect for home solar inverters and backup power systems.
Designed for utility-scale C&I and high-amperage applications, our custom active transformer topologies provide balancing currents up to 5A or 10A. Energy is transferred from the entire battery pack to the lowest individual cell, bypassing adjacent cell limits.
The integration of a high-efficiency 16s active balancer is critical across multiple demanding industrial and consumer sectors where system reliability is paramount.
In multi-megawatt battery energy storage projects, minor cell deviations disrupt overall performance. Active balancing ensures multi-pack configurations achieve charge synchronization, minimizing round-trip efficiency losses and maximizing thermal uniformity.
Off-grid base stations operate in environments with rapid thermal cycling. Our intelligent 16s active balancing solutions keep communications backup systems operational, even when using mixed-age or mismatched cells, reducing truck rolls and maintenance costs.
For warehouse automated guided vehicles (AGVs), electric golf carts, and utility utility vehicles, rapid acceleration creates intense peak loads. Dynamic active balancing reduces voltage sag on weaker cells under load, preventing premature low-voltage cut-offs.
Established in 2005, Shenzhen Litongwei Electronic Technology Co., Ltd. is 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!
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 highly competitive global energy storage market, supply chain resilience, manufacturing agility, and rigorous cost optimization are crucial. Operating two manufacturing centers in Shenzhen and Dongguan, Litongwei has established a highly vertical supply chain structure that guarantees material traceabilty, stable SMT throughput, and short lead times.
Our Shenzhen facility spans over 13,000 square meters of independent manufacturing space. To meet increasing global demand, our second site in Huangjiang, Dongguan, adds an extra 27,000 square meters of production capacity. These operations feature 24 pick-and-place machines for high-speed assembly and 12 PCBA production lines, ensuring high-quality, high-yield manufacturing.
We prioritize intellectual property security. Holding over 100 patents in the lithium-ion battery protection board industry, Litongwei offers patent collaboration options. This ensures your custom designs are protected against patent infringement and ready for global distribution.
As energy densities rise and new battery chemistries like sodium-ion emerge, the requirements for battery management systems are evolving rapidly. Litongwei's R&D roadmap is focused on developing next-generation active balancing solutions that integrate directly with smart IoT applications.
We are integrating BLE, Wi-Fi, and CAN communication interfaces directly onto our active balancing board designs. This allows users to track cell health in real time through custom mobile apps or central cloud systems, providing remote maintenance and predictive failure alerts.
Future iterations of our 16s active balancers will utilize advanced Kalman filtering algorithms for precise state-of-charge (SOC) and state-of-health (SOH) estimation. This prevents premature cell aging and improves balancing efficiency under dynamic load profiles.
Our manufacturing practices comply with key global standards, including CE, FCC, RoHS, and UL certification requirements. Our processes are certified to ISO9001, ISO14001, and IATF16949 standards, ensuring reliable performance across automotive, industrial, and consumer markets.
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.
Litongwei Electronic
