Integrated flexible circuits for EV battery and power systems
CelLink manufactures high-conductance flexible circuits that consolidate wiring, fusing, and sensing into single integrated components for electric vehicles and power systems. The tech stack is heavily weighted toward CAD (CATIA, SolidWorks, NX, Cadence, OrCAD), manufacturing execution (SAP, SYSPRO, FlexSim, PLC, SCADA), and quality analytics (Minitab, JMP, Power BI) — a pattern typical of hardware companies scaling production. Active hiring spans engineering, manufacturing, and operations, with projects focused on production automation, real-time monitoring systems, and battery module development, signaling a ramp toward higher-volume production.
CelLink designs and manufactures flexible circuit interconnects for electric vehicle battery systems and power distribution. Their core product consolidates traditional round-wire harnesses, fuses, voltage monitoring, and temperature sensing into a single flexible circuit, delivering lower weight and volume while enabling tool-less assembly at one-unit minimum order quantities. The company operates from San Carlos, California, and has grown to 201–500 employees since its 2011 founding. CelLink serves OEMs and Tier 1 suppliers in the automotive and energy sectors, with operations spanning design engineering, manufacturing, quality assurance, and field support.
CelLink's design stack includes CATIA, SolidWorks, UG NX, Cadence Allegro, OrCAD, and AutoCAD for circuit and mechanical design, with SolidWorks Inventor for 3D modeling and prototyping.
CelLink uses SAP and SYSPRO for enterprise resource planning, FlexSim for simulation, PLC and Beckhoff controllers, SCADA systems for real-time monitoring, Minitab and JMP for quality analytics, and Power BI for production dashboards.
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