With the ever increasing power demands of modern vehicles during key on/engine off diagnostic work, the risks from relying on the battery are high.

Core Features
- Safe for the vehicle's electronic system
- Provides power to the vehicle during the battery change
- Works with universal unidentified battery types
- Showroom mode lock
- Ability to charge the latest battery types
GYSFLASH 121.12 CNT FV (Cables 5m)
The new GYSFLASH 121.12 CNT FV can provide output of 120A.
The device also incorporates a USB and DB9 sockets which enables both the input and output of data to and from the charger.
Can be used in one of four operating modes: diagnostics, charging, showroom and tester.
Voltage | Charges All Battery Types | Max Charging Current | Battery Support Voltage | Change Battery Mode |
12V | Yes | 120A | 12V - 14.8V | Yes |


GYSFlash 100.12HF
Voltage | Charges All Battery Types | Max Charging Current | Battery Support Voltage | Change Battery Mode |
12V | Yes | 100A | 12V - 14.8V | Yes |