3rd Gen USB Data Blocker


Allow safe charging from untrusted USB sockets.

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This allows you to charge safely from any USB socket with no risk of data transfer to/from your device. Simply plug your charging cable into one end, and the other end into a USB socket/charger. It is compatible with smartphones, tablets, mp3 players, bluetooth headphones, and 1000s of other devices.


Blocks Data Transfer – your device will not go into ‘data transfer’ mode if connected to a computer, so you can use a computer just like a mains charger. This also prevents data hacking and any risk of viruses being loaded onto your device when charging from an unknown/public USB socket, known as Juice Jacking. It also prevents unwanted syncing/popups, eg when charging from a car’s USB socket.

Allows Charging – Many office PCs have their USB sockets disabled for security. This allows charging from those USB sockets without breaking policy. Devices such as some Blackberry or Sony devices will not charge at all from many USB chargers, this enables charging.

SmartCharge – Built in chip detects the type of device which is connected and swaps between Apple, Universal and Samsung charging specifications. This prevents the blocker from slowing down charging and can increase charging speed if your charger is sending the wrong signal, eg charging an iPad from a ‘universal’ wall adaptor.

Compact Design – The Data Blocker is barely larger than a normal USB-A connector with a profile of just 18x11mm, so won’t block neighbouring USB sockets.

CE Certified – Meets EU standards for safety, radiation and materials.

Independently Tested – The creator of the type of hacks that our products defend against has tested a range of data blockers. Search the internet for “mg.lol data blocker teardown” to read the verdict.

Limitations – This adaptor is not compatible with extra fast charging technologies such as ‘Qualcomm Quick Charge’ ‘Samsung adaptive fast charge’ as these require data transfer to be enabled. These technologies would need their own special charger and are not commonly found in the public, and your device will still power up at a high speed without these.

Note the twin pack and 5-pack do not have individual packaging for each blocker, the 50-pack is 50 individually packed items.


3rd Gen Updates

Following the success of our data block cables released in 2009, Original Data Blocker released in 2013 and the ‘SmartCharge’ Data Blocker released in 2015, we have now released the 3rd Gen. As well as all the features from previous versions, we’ve made a few improvements:

Visible Security – The two data wires have been physically removed from the USB-A connector leaving only the two power wires. An inspection window has been cut to see at a glance that the wires for data transfer have been removed.
 Added Authentication – ‘NO DATA’ and ‘PortaPow’ have been laser etched into the connector so you can be sure its a genuine blocker.
 Reusable Packaging – The bag the adaptor arrives in can be reused as a case for the blocker and/or other small parts. Twin packs have a red PortaPow branded case, and single packs are supplied in a neutral white bag with transparent front.