Alimentatore Dell 130 W 19,5 V per laptop, modello HMT49

The Dell 130W 19.5V power adapter (model HMT49) is an external power supply designed to provide mains power and recharge batteries for compatible Dell laptops. It delivers a rated output of 130 watts at 19.5 volts through a standard DC connector. The adapter is intended as a replacement or spare unit and features a compact form factor and integrated protection circuitry to guard against overcurrent, short circuits and other common electrical faults.

Advantages

This Dell adapter offers stable 19.5V output and sufficient wattage for a wide range of laptop models requiring up to 130W, ensuring reliable charging and operation under typical workloads. Its compact design and single standard DC plug make it easy to carry and connect, while built-in safety features reduce the risk of damage to the laptop and battery. The adapter is engineered for consistent thermal performance and efficient energy conversion to minimize heat generation during use.

Suitable for

• Replacing a lost or damaged original Dell power adapter with matching 19.5V/130W requirements
• Providing a secondary adapter for travel or remote work
• Charging and powering compatible Dell laptops during extended use
• Using as a spare in office environments where multiple devices share one workspace

Key specifications

• Output voltage: 19.5 V
• Rated power: 130 W
• Connector type: standard Dell DC barrel connector
• Input: mains AC (universal input compatible with common voltages)
• Protection features: overcurrent protection, short-circuit protection, thermal regulation
• Form factor: external, compact brick-style adapter with attached cable

How to use

Connect the adapter to a compatible mains outlet using the supplied AC cable, then plug the DC connector firmly into the laptop's power input jack. Confirm the laptop indicates charging or external power. Avoid placing the adapter on soft surfaces that can block ventilation; allow space for heat dissipation. When not in use, disconnect from the mains and store the adapter and cables in a dry place.

Recommendations

The adapter should be used only with laptops that accept 19.5V input and draw up to 130W. Verify compatibility with the laptop manufacturer’s power requirements before use. Do not attempt to open or repair the adapter; refer servicing to qualified technicians. Keep the adapter and cables away from liquids and extreme temperatures to maintain safety and longevity.