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At Long Sing Energy, we deliver engineered lithium-ion battery solutions tailored for performance-critical applications—combining precision manufacturing, scalable production, and proven reliability to accelerate your product success.

As a dedicated OEM battery manufacturer, we specialize in designing and producing custom battery packs that meet exact electrical, mechanical, and environmental requirements. From electric mobility and light electric vehicles to energy storage systems (ESS), power tools, recreational vehicles (RV), and unmanned aerial vehicles (UAV), our solutions are built to optimize energy density, safety, and lifecycle performance across demanding use cases.

Our engineering-driven approach ensures seamless integration—from cell selection and BMS design to structural optimization and automated assembly—helping OEMs reduce development risk, shorten time-to-market, and achieve consistent quality at scale.

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