The GYSFLASH 30.12 is a professional 30A stabilised power supply and battery charger designed for automotive locksmith, diagnostic, and workshop use. Built with inverter technology, it provides stable voltage support during key programming, ECU diagnostics, battery replacement, and showroom vehicle maintenance. Key Features 30A high-power stabilised supply suitable for ECU programming and diagnostic work Battery support function maintains stable 12V supply during vehicle diagnostics Advanced battery charger providing optimised charging cycles for modern vehicles Showroom mode for maintaining battery charge in display and forecourt vehicles Battery change mode maintains power to preserve vehicle memory settings Adjustable voltage and current stabilised power supply for workshop applications Automatic restart function resumes last selected mode after power loss SOS recovery function for sulphated or deeply discharged batteries Cable test and calibration function for improved reliability Showroom mode lock to prevent accidental changes in workshop or retail environments Expert charging curve selection for advanced battery conditioning Slim inverter design allowing placement under vehicle (low height profile) No external ventilation required, reducing dust ingress in workshop environments High efficiency inverter technology for reduced energy consumption and heat output Automatic mode memory for consistent operation during repeated use Prevents voltage drop and module corruption during ECU, immobiliser and key programming Suitable for all keys lost procedures and advanced diagnostic sessions Maintains vehicle memory during battery disconnection and replacement operations GYS Reference 029224 Compatibility Suitable for automotive locksmith and workshop applications including: ECU programming and immobiliser coding support Key programming and all keys lost procedures Battery replacement with memory retention Start/Stop vehicles with AGM, EFB, gel, and standard 12V systems Showroom and forecourt vehicle battery maintenance Included GYSFLASH 30.12 charger/support unit Fitted 2 x 2.5m cables (6mm²) User instructions