The GYSFLASH 100.12 HF is a stabilised power source (100 A, 12 V) based on inverter technology. 4 modes: CHARGING starter batteries with the IUoU charging curve (IUoIoU Expert mode) BATTERY CHANGE (stable electrical supply to the on-board computer during a battery change) DIAG+ (power supply during diagnostics with adjustable voltage) SHOWROOM (charging, maintenance, automatic restart in the event of a power failure and function lock) Functions: Automatic restart in charging and SHOWROOM mode Locking the device in SHOWROOM mode Calibration of replaceable charging cables Simplified charging in EASY mode SOS recovery for deeply discharged batteries Electronic safety for vehicle, on-board electronics and battery: short-circuit protection, electronic reverse polarity protection, safety shutdown in the event of thermal overload 16 languages (can be called up on the display): English, French, German, Dutch, Spanish, Portuguese, Italian, Russian, Swedish, Danish, Finnish, Turkish, Croatian, Greek, Czech, Polish.