1. Product Overview
The TESSAN Multiprise Cube (Model SL320-CU) is a versatile power solution designed for modern workspaces and homes. It combines 3 standard AC outlets with 4 USB charging ports (2 USB-A and 2 USB-C), offering a total of 7 power options in a compact cube design. This device features 20W Power Delivery (PD) fast charging via its USB-C ports, 18W max for USB-A, and a total power output of up to 3680W for AC devices. Its flat plug and 1.5-meter extension cord provide flexibility in placement, while the integrated on/off switch allows convenient control over the USB ports.

Video 1: A short demonstration of the TESSAN Multiprise Cube's features, including connecting devices to USB-A, USB-C, and AC outlets, highlighting its compact design and flat plug.
2. Safety Instructions
- Do not exceed the maximum load of 3680W.
- This product is designed for indoor use only.
- Keep away from water and high humidity environments.
- Do not disassemble or modify the device.
- Ensure the plug is fully inserted into the wall socket.
- Keep out of reach of children.
3. Package Contents
- 1 x TESSAN Multiprise Cube (Model SL320-CU)
- 1 x User Manual
4. Setup and Installation
- Unpack the TESSAN Multiprise Cube and ensure all components are present.
- Locate a suitable wall outlet. The flat plug design allows for installation in tight spaces, such as behind furniture.
- Plug the multiprise into the wall outlet. Ensure a secure connection.
- The 1.5-meter extension cord provides flexibility to position the cube conveniently on your desk or floor.

5. Operating Instructions
5.1 AC Outlets
The multiprise features 3 standard AC outlets, distributed on three sides of the cube to prevent large adapters from blocking adjacent sockets. These outlets provide continuous power when the device is plugged in, regardless of the USB power switch status. They support a maximum power output of 3680W, suitable for various household appliances.
5.2 USB Charging Ports
The device includes 2 USB-A ports and 2 USB-C ports for charging your electronic devices.
- USB-A Ports: Each USB-A port provides up to 18W max output for fast charging compatible devices.
- USB-C Ports: The USB-C ports support Power Delivery (PD) 20W fast charging, ideal for smartphones, tablets, and other USB-C compatible devices.

5.3 Power Switch
The integrated on/off switch controls the power supply to the 4 USB ports only. The 3 AC outlets remain continuously powered as long as the multiprise is plugged into a wall socket. A soft white indicator light shows the operating status of the USB ports.

6. Specifications
| Feature | Specification |
|---|---|
| Brand | TESSAN |
| Model Number | SL320-CU |
| Color | Black |
| AC Outlets | 3 |
| USB-A Ports | 2 (18W Max each) |
| USB-C Ports | 2 (PD 20W Max each) |
| Max AC Power | 3680W |
| Max AC Current | 16 A |
| Cable Length | 1.5 meters |
| Plug Type | Type E (France), Type F (Germany) |
| Special Features | USB C PD 20W Fast Charger, On/Off Switch (for USB ports), Flat Plug, Anti-slip pads |
| Dimensions | 8.0 × 8.0 × 9.5 cm (approximate cube size) |
7. Maintenance and Care
- Clean the multiprise with a dry, soft cloth. Do not use liquid cleaners or aerosols.
- Ensure the device is unplugged before cleaning.
- Avoid exposing the device to extreme temperatures or direct sunlight.
- Do not place heavy objects on the cable or the multiprise.
- Store in a cool, dry place when not in use for extended periods.
8. Troubleshooting
- No power to AC outlets: Ensure the multiprise is securely plugged into a functioning wall outlet. Check the wall outlet with another device.
- No power to USB ports: Ensure the multiprise is plugged in and the on/off switch for the USB ports is in the 'ON' position (indicated by a soft white light). Try a different USB cable or device.
- Slow charging: Ensure your device and cable support fast charging. The charging speed may decrease if multiple devices are connected simultaneously, or if the device's battery is nearly full.
- Device not recognized: Ensure the USB cable is correctly inserted into both the multiprise and your device.
9. Warranty and Support
TESSAN products are manufactured to high-quality standards. In the unlikely event of a problem, please contact TESSAN customer support for assistance. Please retain your proof of purchase for warranty claims. Warranty terms and conditions may vary by region.
For further support or inquiries, please visit the official TESSAN website or contact your local retailer.





