GYS Flash 12.12

The GYSFLASH 12.12 is specifically designed to charge all types of’ 12V batteries such as cars, utility vehicles, motor homes, buses or commercial vehicles. It features an 8 step intelligent charging curve for an optimal charge; as well as a «Supply» mode to support and maintain showroom vehicle batteries.


Designed for 12 V batteries from 1.2 to 250 Ah, or for maintenance charging up to 330 Ah.
• 2 charge modes for maximum versatility :
– AGM : Charge mode for cold weather (less than 5°C) and for Start & Stop batteries (EFB & AGM).
– Refresh : Recovers deeply discharged batteries.
• Supply mode , transforms the charger into a stabilised power supply :
– maintains battery health during vehicle demonstrations (showroom).
– preserves memory settings during battery replacement.
• Optimised maintenance charge, the charger can remain plugged in indefinitely during
winter to maintain the health of the battery. «Auto Restart» feature so the charger can
restart automatically with the right settings after a power cut.


The 8 step charging curve ensures maximum battery performance and longevity.
• External temperature sensor, for an optimal battery charge whether it’s summer or winter. The charger adjusts the charging curve depending on ambient temperature.
• It recovers deeply discharged batteries >2V (SOS Recovery )