AC Adapter Dell XXG18 for Inspiron 15 5558 / 17 5758 — 19V 90W

Replacement AC adapter Dell XXG18 for Inspiron 15 5558 and 17 5758 laptops provides a stable 19V, 90W power source to operate the system and charge the battery. Designed as a direct replacement for the original adapter, it includes a standard barrel DC connector and built-in protective features against overcurrent and short circuit, depending on manufacturer implementation. The adapter is intended for use at home, in the office, or while traveling to maintain laptop uptime and battery level.

Advantages

The adapter delivers a consistent 19V output and up to 90W power to support normal operation and charging of compatible Dell Inspiron notebooks. Its compact brick design and integrated cable provide a straightforward connection without additional accessories. Protective circuitry helps reduce risk from power surges, overcurrent and short-circuit conditions where implemented. The product is compatible with ports used on Inspiron 15 5558 and 17 5758 models, enabling simple replacement and continued device functionality.

Suitable for

• Powering and charging Dell Inspiron 15 5558 laptops
• Powering and charging Dell Inspiron 17 5758 laptops
• Replacement adapter for home, office and travel use
• Maintaining battery charge during extended work sessions

Key specifications

• Output voltage: 19 V
• Output power: 90 W
• Connector type: standard barrel DC connector (compatible with specified Inspiron models)
• Input: AC mains (region-dependent voltage and frequency)
• Protection features: built-in overcurrent and short-circuit protection (manufacturer dependent)
• Form factor: external AC adapter (power brick with attached cable)

How to use

Connect the AC adapter to an appropriate AC mains outlet using the supplied power cord, then plug the barrel DC connector into the laptop's power jack. Verify that the laptop indicates charging or external power. For safe operation, use the adapter with compatible Inspiron models and avoid placing the adapter on soft surfaces that block ventilation. Disconnect from mains before cleaning and allow the adapter to cool before storing.

Recommendations

Use the adapter with the specified Inspiron models and recommended input voltage for your region. Inspect the cable and connector regularly for wear or damage. Avoid exposing the adapter to liquids, extreme heat, or prolonged direct sunlight. If the adapter becomes unusually hot, emits a smell, or shows visible damage, stop using it and replace it with an appropriate unit.