A high-quality professional battery support and charging unit designed for auto locksmith workshops, ECU programming, key coding and vehicle diagnostics. The GYSFLASH 100.12 is a powerful 100A smart charger and stabilised power supply designed to maintain stable voltage during advanced vehicle programming and diagnostic procedures. Ideal for auto locksmiths working with modern vehicle electronics, it supports battery charging, ECU programming, battery replacement procedures and showroom vehicle support without risking data loss or module corruption. Key Features Professional 12V 100A smart charger and power supply Designed for auto locksmith workshops and programming environments Suitable for ECU programming and key coding support Supports Lead-Acid and Lithium (LiFePO4) batteries 5 operating modes including diagnostic and power supply functions Stabilised voltage output for sensitive vehicle electronics Battery support during key programming and diagnostics Battery replacement mode prevents memory and data loss Showroom mode for maintaining vehicle voltage during demonstrations 7-stage lead-acid charging program 8-stage lithium charging program Automatic SOS recovery for deeply discharged batteries Auto Restart after power interruption Cable calibration and extended cable compatibility Lockable interface to prevent accidental operation Reverse polarity and short-circuit protection Integrated thermal protection system Low-noise operation with no external ventilation Durable workshop-ready casing Compatible With Auto locksmith key programming equipment ECU coding and flashing procedures Vehicle diagnostic systems Immobiliser programming Battery replacement procedures 12V lead-acid batteries 12V LiFePO4 lithium batteries Cars, vans and commercial vehicles Modern CANBUS vehicle systems Workshop and mobile locksmith operations Comes Complete With GYSFLASH 100.12 charger and power supply unit Heavy-duty charging cables Integrated clamps User instructions