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Four small USB data blocker adapters with mixed Type-A and Type-C connectors

Fervit

Fervit USB Data Blocker 4-Pack Type-A to USB-C 100W PD

SKU CH-0ZC8-Y297R

A four-adapter pack that physically disconnects data lines for charge-only use at up to 100W PD across USB-A and USB-C devices

  • Blocks data lines physically for anti-hacking protection while charging
  • Delivers up to 100W PD power through USB-C adapters
  • Includes four adapters covering USB-A and USB-C combinations
  • Works with USB 2.0, 3.0 and 3.1 devices across laptops and phones
  • Stops all data, video and audio transfer during public charging

USB data blocker four-pack

The Fervit four-pack contains four physical data-blocking adapters that let users charge devices from any USB-A or USB-C port without exposing data lines. It is aimed at travellers, remote workers and anyone who regularly uses public charging stations, hotel sockets or shared power banks and wants to eliminate juice-jacking risk. Each adapter physically disconnects the data pins while leaving the power path intact, so the connected device only ever receives charging current.

Thermals noise and power draw

Because the adapters contain no active components, they generate no audible noise and add no measurable heat during normal charging sessions. The USB-C variants support Power Delivery up to 100 W at 20 V and 5 A, passing full fast-charge current to laptops, tablets or phones without throttling. Power draw is limited entirely by the host charger and the attached device; the blockers themselves introduce no additional overhead.

Bundled adapters and compatibility

The set covers every common port combination: USB-A male to USB-A female, USB-A male to USB-C female, USB-C male to USB-C female and USB-C male to USB-A female. This means a single kit secures charging for legacy USB-A power sources, modern USB-C chargers and mixed-cable scenarios without carrying multiple single-purpose dongles. All adapters maintain compatibility with USB 2.0, 3.0 and 3.1 signalling standards for power negotiation while blocking data, video and audio transmission completely.

Highlights

  • Blocks data lines physically for anti-hacking protection while charging
  • Delivers up to 100W PD power through USB-C adapters
  • Includes four adapters covering USB-A and USB-C combinations
  • Works with USB 2.0, 3.0 and 3.1 devices across laptops and phones
  • Stops all data, video and audio transfer during public charging

Specifications

BrandFervit

Questions about this item

How do I install the USB-A male to USB-C female adapter and which orientation mistake should I avoid?

Plug the USB-A male end into the power source and the USB-C female end into your device cable; the adapter is keyed so it only inserts one way — forcing it the wrong way up bends the internal pins.

What maintenance or replacement will the 4-pack adapters need over time?

No scheduled maintenance is required; replace an adapter only if the connector feels loose, the housing cracks, or charging stops at the full 100W PD rate.

What limit appears first during sustained 100W PD charging through the USB-C adapters?

The 20V/5A Power Delivery ceiling is the first hard limit; the physical data-line disconnect remains active so no data, video or audio passes regardless of load.

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