Introduction
This manual provides essential instructions for the proper setup, operation, and maintenance of your Gigaset Original Power Supply Unit, model C39280-Z4-C705. This power supply is designed to provide reliable power to compatible Gigaset charging stations, ensuring optimal performance for your Gigaset cordless phones.
Safety Information
- Use only with specified Gigaset charging stations and devices.
- Do not expose the power supply to moisture, rain, or extreme temperatures.
- Avoid dropping or subjecting the unit to severe impact.
- Do not attempt to open or modify the power supply unit. This will void the warranty and may cause damage or injury.
- Ensure the power outlet is easily accessible and located near the equipment.
- Disconnect the power supply from the wall outlet before cleaning or if it will not be used for an extended period.
Package Contents
Verify that your package contains the following item:
- 1 x Gigaset Original Power Supply Unit (Model C39280-Z4-C705)
Setup
Follow these steps to correctly set up your power supply unit:
- Connect to Charging Station: Locate the power input port on your Gigaset charging station (e.g., Gigaset C705 charging station). Insert the small connector end of the power supply cable firmly into this port.
- Connect to Power Outlet: Plug the main power adapter into a standard electrical wall outlet. Ensure the outlet provides the correct voltage as specified on the power supply label.
- Verify Connection: Once connected, the charging station should be powered on. If applicable, place a compatible Gigaset handset into the charging station to confirm it begins charging.

Image: The Gigaset Original Power Supply Unit, showing its main body, attached cable, and a two-pin EU plug. A separate UK adapter is also visible, indicating versatility for different power outlets.
Operating
The Gigaset Original Power Supply Unit operates automatically once connected. Its primary function is to convert AC wall power to the DC power required by your Gigaset charging station.
- Continuous Power: The unit provides continuous power to the charging station as long as it is plugged into a live electrical outlet.
- Charging Indication: The charging status of your Gigaset handset is typically indicated by the charging station or the handset itself, not directly by the power supply unit. Refer to your Gigaset phone's manual for specific charging indicators.
Maintenance
Proper maintenance ensures the longevity and safe operation of your power supply unit.
- Cleaning: Disconnect the power supply from the wall outlet before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or abrasive materials.
- Storage: If storing the unit for an extended period, disconnect it from the power outlet and the charging station. Store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Inspection: Periodically inspect the power cable for any signs of damage, such as fraying or cuts. If damage is found, discontinue use and replace the unit.
Troubleshooting
If you encounter issues with your power supply unit, refer to the following common problems and solutions:
- No Power to Charging Station:
- Ensure the power supply is securely plugged into a working electrical outlet.
- Verify that the small connector is firmly inserted into the charging station's power input.
- Test the electrical outlet with another device to confirm it is functional.
- Check for any visible damage to the power supply unit or its cable.
- Charging Station Not Charging Handset:
- Confirm the power supply is providing power to the charging station (e.g., check for indicator lights on the station).
- Ensure the handset is correctly seated in the charging cradle.
- Refer to your Gigaset handset's manual for troubleshooting charging issues specific to the phone.
If problems persist after attempting these solutions, contact Gigaset customer support for further assistance.
Specifications
Technical details for the Gigaset Original Power Supply Unit C39280-Z4-C705:

Image: The Gigaset Original Power Supply Unit, showing its label with detailed electrical specifications and model number.
| Feature | Detail |
|---|---|
| Brand | Gigaset |
| Model Number | C39280-Z4-C705 |
| Input Voltage | 230 VAC, 50 Hz, 50 mA |
| Output Voltage | 4.0 VDC (as per image label) / 5 Volts (as per specifications) |
| Output Current | 150 mA (as per image label) / 1 A (as per specifications) |
| Power | 5 Watts |
| Connector Type | USB Type A (for charging station connection) |
| Compatible Devices | Gigaset C705 charging station |
| Compatible Phone Models | Gigaset A16, A160, A165, E36, E45, C34, C45, S44, S45, S2, SL44, AL14, AL28, A58H, C47, S67, S68, S79H, S800H, C38H, E49H, S3, C610H, C59H, Pro. S510H |
Note: Discrepancies in output voltage and current between the product label image and provided specifications may exist. Always refer to the label on your specific unit for precise electrical ratings.
Warranty and Support
This Gigaset Original Power Supply Unit is covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your original Gigaset product or visit the official Gigaset website.
For technical support, troubleshooting assistance, or warranty claims, please contact Gigaset customer service through their official website or the contact information provided in your product's main documentation.





