Inter-Tech NB-90U Power Adapter/Inverter

The Inter-Tech NB-90U Power adapter/inverter is a 90 W universal notebook adapter from the CobaNitrox Extended series. It uses interchangeable tips with integrated automatic voltage setting so that the correct output voltage is chosen automatically when a tip is attached. The adapter is compact and lightweight, supplying 22 V output and designed for use with a wide range of portable notebooks and devices.

Advantages

The adapter includes multiple tips for broad compatibility and features a patented tip connection that prevents incorrect voltage selection. Each tip contains the automatic voltage-setting technology and the adapter displays the selected voltage for easy monitoring. The device is lightweight and compact, suitable for mobile use and simple to operate.

Suitable for

• Powering notebooks and laptops compatible with 22 V output
• Replacing original notebook adapters while travelling or commuting
• Users needing a compact, lightweight external power supply

Key specifications

• Model: Inter-Tech NB-90U (MPN 88882040, EAN 4260133122185)
• Output power: 90 W
• Output voltage: 22 V
• Included tips: 10 interchangeable tips for common notebook connectors
• Weight: 0.36 kg
• Colour: Black
• Series: CobaNitrox Extended

How to use

Select the tip that matches your notebook's DC input connector and attach it to the adapter. The tip communicates the required voltage to the adapter and the correct output voltage is set automatically. Connect the tip to your notebook and plug the adapter into the mains. The built-in display shows the selected voltage so you can verify the setting before use.

Recommendations

Ensure the chosen tip fits the notebook input securely and verify the displayed voltage matches the device specification. Do not force incompatible tips; consult the compatibility data sheet if unsure. Keep the adapter and tips dry and operate within the temperature range specified by your device manufacturer.