Do you have a question about the GYS GYSflash 4A and is the answer not in the manual?
Instructions for charging a permanently installed battery in a vehicle, including polarity checks.
Steps for connecting and charging a battery that is not installed in a vehicle.
Visual representation of the charging curve stages, showing the process from start to finish.
Covers acid spray, explosive gas hazards, and basic safety precautions for operation.
Instructions for charging a permanently installed battery in a vehicle, including polarity checks.
Steps for connecting and charging a battery that is not installed in a vehicle.
Visual representation of the charging curve stages, showing the process from start to finish.
Covers acid spray, explosive gas hazards, and basic safety precautions for operation.
| Input Frequency | 50-60Hz |
|---|---|
| Maximum Charging Current | 4A |
| Maintenance Capacity | up to 130Ah |
| Cooling | Natural convection |
| Operating Temperature | -20°C to +50°C |
| IP Rating | IP65 |
| Output Voltage | 12V |
| Battery Compatibility | AGM, GEL, Calcium |
| Protection Features | Short circuit, Reverse polarity, Overheating |











