Modulars structure enables easy with optional accessories, while the metal casing and ABS housing ensures safe operations across temperature variations from 20°C to 85°C. This 15KV ignition coils module combines Modulars with efficiency inverter technology, delivering a stable 15KV output for demanding applications while maintaining 92% energy conversion efficiency. Features wide voltage input compatibility (3.7V4.2V, expandable to 12V) with advanced frequency circuitry, housed in metal construction for heat dissipation and electrical insulation. For automotive ignition systems upgrades, industrial equipment maintenance workshops, and scientific laboratories conducting voltage experiments. Use scenarios Automotive ignition system upgrades: provides reliable voltage pulses to improve ignition performance in vehicles requiring a stable HV source. Industrial equipment maintenance and testing: serves in workshops and labs for voltage component testing, diagnostics, and benchlevel experiments. Scientific laboratories conducting voltage experiments: supports research requiring a dependable 15KV supply with good energy efficiency and thermal stability.