Dongguan Power Long Battery Technology Co., Limited
Dongguan Power Long Battery Technology Co., Limited, known as PLB, is a high-tech company based in Shenzhen, China, with a focus on R&D, manufacturing, and PACK customization for lithium battery systems. Established in 2014, PLB has developed two integrated manufacturing centers: one dedicated to the production of 26650 battery cells and another for the assembly of lithium battery packs. The company emphasizes high-power LiFePO4 chemistry, reliability, and a customized solution approach to meet the diverse needs of energy storage systems, industrial off-grid applications, and powertrains across various sectors.
Product portfolio and capabilities
PLB produces LiFePO4 26650 cylindrical cells, battery management systems (BMS), and complete battery packs. The company highlights performance advantages such as high power output with discharge up to 80C and operation at low temperatures down to -40°C. These capabilities position PLB to serve applications including UPS, standby power, automotive powertrains for light vehicles, motorcycles, and industrial equipment, as well as off-grid solar and other auxiliary power needs.
Quality, certifications, and production standards
PLB reports a comprehensive quality management framework, incorporating a 6 Sigma approach to ensure safety, consistency, and reliability across its production lines. The company maintains an array of certifications and regulatory compliances, including ISO 9001, ISO 14001, ISO 45001, IATF 16949, RoHS, CE, UN, UL, IEC certifications, and other recognized standards. This certification portfolio supports its claim of meeting regulatory requirements for global markets and enables shipping to customers in more than 40 countries.
Technology and design focus
Beyond manufacturing, PLB positions itself as a technology and design-oriented partner, aiming to deliver “one stop shop” battery system solutions. The integrated CELL-BMS-PACK approach highlights the company’s emphasis on end-to-end battery solutions, from raw cell selection through system integration to final packaging. The emphasis on energy innovation reflects PLB’s objective to support a range of applications from energy storage to mobility and automation.
Applications and markets
PLB notes its batteries support multiple use cases, including energy storage systems (both domestic and off-grid), power automotive applications (electric vehicles, logistic trucks, passenger vehicles), and auxiliary power where reliability and performance are critical. The company also references applications in UPS configurations, AGV (automated guided vehicles), medical devices, security equipment, and other diversified scenarios that require dependable LiFePO4 energy solutions.
Operational footprint and compliance
With two manufacturing centers, PLB asserts capabilities to scale production through automated processes and rigorous quality controls. The company’s compliance program aligns with international standards to facilitate global distribution and ensure quality across its product lines.
In summary, PLB presents itself as a Shenzhen-based, battery-focused technology company with established production of LiFePO4 26650 cells, BMS, and packs, backed by a strong quality system and global market access. Its emphasis on integrated LiFePO4 solutions, rigorous certifications, and a broad application base reflects its position as a technology-driven supplier for energy storage and power solutions.



