Dongguan Lisheng Electronic Co.,ltd.

Dongguan Lisheng Electronic Co.,ltd., also operating as LARGE, is a custom battery pack manufacturer and supplier located in the Huangjinhu Industrial Zone, Qishi Town, within Dong Guan Shi, Guangdong Province, China. Established in 2002, the enterprise specializes in end-to-end engineering, design, and assembly of custom energy storage solutions for international markets. Its primary product specializations encompass custom lithium-ion battery packs, LiFePO4 battery systems, lithium polymer units, and 18650 lithium battery assemblies configured across diverse multi-series and parallel voltage setups. The company’s core engineering competencies include electrical performance optimization, structural design, thermal management, battery management system (BMS) design featuring SMBus, RS485, and IIC communication protocols, and safety engineering. Additionally, Dongguan Lisheng Electronic Co.,ltd. produces specialized battery formats such as low-temperature batteries and explosion-proof battery packs tailored for high-demand industrial sectors.

Delivering custom battery solutions worldwide, Dongguan Lisheng Electronic Co.,ltd. provides one-stop engineering services that span preliminary technical consultation, R&D, structural design, validation, and full-scale production. The enterprise serves a wide array of application domains, including medical equipment, robotics and automation, security and communication systems, industrial and inspection tools, instrumentation, consumer electronics, and oil and gas transportation. Operational reliability is reinforced through comprehensive testing protocols involving over 100 test items to validate battery performance and compliance. From flexible, ultra-thin lithium polymer cells to high-cycle-life LiFePO4 power systems, the company provides custom power architectures alongside guidance on battery certification, lithium transportation compliance, and battery recycling procedures. Through its integrated manufacturing capabilities in Dong Guan Shi, the business delivers custom energy solutions to global B2B clients.