The GYSFLASH 100.12 HF is a powerful, multifunctional, and stabilized power supply designed for charging and maintaining various types of 12V batteries, including lead-acid batteries (sealed, liquid, AGM) and lithium batteries (LiFePO4). Thanks to its different operating modes, this device is ideal for both professional workshops and showrooms. Main features Diagnosis mode: delivers up to 100 A to meet power consumption during vehicle maintenance. Charging mode: for unattended charging of 12 V batteries from 20 to 1200 Ah. Battery replacement mode: compensates for power consumption during battery replacement, so vehicle memories are preserved. Showroom mode: maintains battery health during vehicle exhibitions at dealerships. Power supply mode: uses the charger as a stabilized power supply with adjustable maximum voltage and current. Features High efficiency with a duty cycle of 75 A at 100% (25°C). Compact size, perfect for placing under a vehicle. SOS Recovery: automatically restores deeply discharged batteries. Restart function: automatically resumes the selected mode after a power failure. Comes with 2 cables of 5 meters, 16 mm². Technical specifications Power supply: 12 V Maximum charging capacity: up to 100 A Suitable for batteries from 20 to 1200 Ah Connection cables: 2 x 5 meters, 16 mm² Supports lead-acid and lithium (LiFePO4) batteries The GYSFLASH 100.12 HF is the solution for efficient, safe, and versatile charging, maintenance, and powering of batteries in the professional automotive sector.