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Black rectangular AC adapter with 6.5mm barrel connector and detachable power cord

E-buy

E-buy 19.5V 3.96A 75W AC adapter for Sony VGN-FS840 VGN-FS875

SKU CH-MJ2P-KNMY4

19.5V 3.96A 75W replacement charger with 6.5mm × 4.4mm tip and included power cord for Sony VGN-FS840 and VGN-FS875 laptops

  • AC Adapter Voltage19.5V
  • AC Adapter Current3.96A
  • 75 W output keeps the Sony VGN-FS840 and VGN-FS875 running at full speed
  • 5 V 3.96 A DC output matches the original charger specification exactly
  • 100–240 V 50–60 Hz input works on mains power worldwide
  • 5 mm × 4.4 mm barrel connector fits the laptop without adapters
  • 24 month warranty covers the adapter and included power cord

Replacement adapter for Sony VGN-FS840 and VGN-FS875

This 75W AC adapter supplies 19.5V at 3.96A for compatible Sony Vaio laptops. It matches the original voltage and current ratings for the VGN-FS840, VGN-FS840/W, VGN-FS875 and VGN-FS875P models. The unit includes a 6.5mm by 4.4mm barrel connector and a region-specific power cord. It is sold new with a 24-month warranty.

75W output handles charging and operation

The 75W rating delivers enough power to charge the battery while the laptop runs typical workloads. It supports the full operating range of the supported Vaio models under normal use. Headroom decreases if the system draws sustained peak loads or charges a deeply depleted battery while under heavy compute demand. The adapter accepts 100-240V AC input at 50-60Hz for worldwide mains compatibility.

Standard thermals for a 75W brick

In normal use the adapter runs warm but stays within typical limits for a 75W external supply. No active cooling is present, so heat dissipates through the plastic casing. Audible noise is limited to faint coil whine under load, which is common for switch-mode designs. Power draw from the wall matches the 75W DC output plus normal conversion losses.

Highlights

  • 75 W output keeps the Sony VGN-FS840 and VGN-FS875 running at full speed
  • 5 V 3.96 A DC output matches the original charger specification exactly
  • 100–240 V 50–60 Hz input works on mains power worldwide
  • 5 mm × 4.4 mm barrel connector fits the laptop without adapters
  • 24 month warranty covers the adapter and included power cord

Specifications

AC Adapter Voltage19.5V
AC Adapter Current3.96A

Questions about this item

Will the 6.5 mm × 4.4 mm barrel connector fit the charging port on my VGN-FS840?

Yes, the connector dimensions match the original specification for the VGN-FS840 and VGN-FS875 series.

How can I confirm the adapter is delivering the rated 19.5 V and 3.96 A after I plug it in?

The laptop charging LED should illuminate and the battery icon in Windows will show “plugged in, charging” within a few seconds.

Does the package include a mains lead for a UK wall socket or only the adapter brick?

The box contains the 75 W adapter brick and a detachable power cord with a UK plug.

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