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Black rectangular HP power brick with 7.4x5.0mm barrel connector and detachable power cord

HP

HP HSTNN-LA09 150W power adapter 19V 7.89A 7.4x5.0mm no pin

SKU CH-MGZT-2AM14 MPN HSTNN-LA09

A 150 W power adapter delivering 19 V at 7.89 A through a 7.4 × 5.0 mm connector, supplied with a mains cord

  • Worldwide voltage input 100-240V for travel convenience
  • 150W output delivers reliable power to demanding HP laptops
  • 19V 7.89A matches original specifications for safe charging
  • 4x5.0mm no-pin connector ensures correct physical fit
  • Includes power cord for immediate out-of-box use

Genuine HP 150W adapter for compatible laptops

This genuine HP power adapter delivers 150 watts at 19 volts and 7.89 amps through a 7.4 by 5.0 millimetre connector with no centre pin. It suits owners of HP notebooks that require this exact output and tip geometry. Builders needing a different voltage, wattage or connector size cannot use this unit.

Included power cord enables immediate use

The bundled AC power cord completes the connection from wall outlet to adapter so the charger works straight out of the box. No separate cable purchase is required. Users who already own a compatible cord gain a spare, while those with a damaged original cord regain a safe mains connection.

Simple plug-in installation with verified jack fit

Installation requires only connecting the cord to the adapter, plugging into the mains and inserting the barrel jack into the laptop. Each unit is tested for secure jack fit and intact wiring to prevent loose connections. Buyers must confirm their laptop accepts the 7.4 by 5.0 millimetre no-pin tip before ordering.

Highlights

  • Worldwide voltage input 100-240V for travel convenience
  • 150W output delivers reliable power to demanding HP laptops
  • 19V 7.89A matches original specifications for safe charging
  • 4x5.0mm no-pin connector ensures correct physical fit
  • Includes power cord for immediate out-of-box use

Specifications

ModelHSTNN-LA09

Questions about this item

Does the 7.4x5.0 mm barrel connector wear out and need replacement?

The 7.4x5.0 mm barrel connector is a passive part with no moving contacts; it only needs replacement if the tip is physically damaged or the cable sheath frays near the jack.

What limits continuous output before the 150 W adapter throttles?

The internal over-temperature protection (IO) triggers first under sustained 150 W load, reducing output until the brick cools.

How much heat and fan noise does the 150 W brick produce running all day?

The adapter has no fan; it relies on passive convection, so it runs silent and the case becomes warm but stays within the internal overheating safeguard limits.

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