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Small rectangular adapter with 7.9x5.5mm female port and large square male plug

Vszerda

Vszerda 7.9x5.5mm Female to Big Square First Generation Male Power Adapter

SKU CH-TJMZ-SJZQJ

Converts a 7.9x5.5mm female power port to a big square first-generation male connector for laptop charging

  • 9×5.5 mm female to first-generation big-square male for secure laptop charging
  • Brand-new, high-quality construction ensures reliable power delivery
  • Compact, lightweight design slips easily into a travel bag
  • Direct gender-change adapter eliminates the need for extra cables
  • Simple plug-and-play connection works immediately with compatible notebooks

Versatile DC connector adapter

This adapter bridges a 7.9x5.5mm female port to a Big Square first-generation male plug, letting you connect a laptop power supply that uses the larger square interface. It suits owners of legacy notebooks or proprietary chargers who need a compact gender changer for travel or bench testing. The straight-through design adds no active electronics, so voltage and current pass unchanged.

Passive power path under load

Because the adapter contains no regulation or conversion circuitry, its thermal behaviour is dictated entirely by the supply and the laptop’s draw; sustained operation simply mirrors the cable and connector ratings. No active cooling is present, so the unit relies on free-air convection around the small barrel and square housings during continuous use.

Simple plug-in installation

The lightweight body slips onto the existing 7.9x5.5mm jack and mates with the Big Square male socket without tools or driver software. Misalignment can occur if the square keying is worn, so verify orientation before applying force. No soldering or cable modification is required, making it a quick field repair for compatible power bricks.

Highlights

  • 9×5.5 mm female to first-generation big-square male for secure laptop charging
  • Brand-new, high-quality construction ensures reliable power delivery
  • Compact, lightweight design slips easily into a travel bag
  • Direct gender-change adapter eliminates the need for extra cables
  • Simple plug-and-play connection works immediately with compatible notebooks

Specifications

No published specifications for this item yet.

Questions about this item

Does the 7.9x5.5mm female connector run hot when powering a laptop all day?

The adapter is a passive connector with no active components, so it does not generate noticeable heat during continuous use.

What must I already own for this adapter to work?

You need a power source with a 7.9x5.5mm male tip and a laptop that accepts a big square first generation male plug.

Will the big square first generation male end fit older laptops that use the same square port?

Yes, it matches the legacy big square first generation interface found on compatible older notebooks.

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