Laptop power adapter Rebel Comp 90 W, 19 V, 4.74 A, 5 mm tip (KOM0781-1)

The Rebel Comp 90 W laptop power adapter provides a regulated 19 V DC output at 4.74 A and features a 5 mm round barrel tip designed for use with compatible notebooks and ultrabooks. This replacement adapter supplies stable power and charging when the original charger is unavailable, and includes built-in protection against overload and short circuit to help maintain reliable operation in home, office and travel environments.

Advantages

The adapter delivers a consistent 19 V output with a maximum power of 90 W, ensuring stable charging and operation for a range of laptops that accept a 5 mm barrel connector. Integrated protection circuitry reduces risk from overcurrent and short conditions while the compact rectangular housing and detachable mains cable make it convenient to store and transport. The straightforward barrel connector design enables easy connection to compatible devices.

Suitable for

• Replacing a lost or damaged original laptop charger for devices that use a 5 mm barrel plug and 19 V input
• Use as a spare power adapter kept at the office or in a travel bag
• Powering ultrabooks and notebooks within the 90 W power envelope

Key specifications

• Output voltage: 19 V DC
• Output current: 4.74 A
• Maximum power: 90 W
• Connector type: 5 mm round barrel tip
• Protection features: overcurrent and short-circuit protection
• Intended use: external laptop power supply for compatible notebooks and ultrabooks

How to use

Connect the adapter to mains power using the included mains cable, then insert the 5 mm barrel tip firmly into the laptop's DC input jack. Check that the laptop indicates charging or external power mode. Avoid using adapters with incompatible voltage, current or connector type. Unplug the adapter from the mains when not in use or during prolonged idle periods to reduce power consumption.

Usage recommendations

Verify device compatibility before use: ensure the target laptop accepts 19 V input, supports up to 90 W power and uses a 5 mm barrel connector. Use the adapter on a hard, ventilated surface and avoid exposure to moisture or extreme temperatures. If the laptop or adapter shows abnormal heat or smells, disconnect immediately and consult a qualified technician.