PortaPow USB Power Blocker - Stops Charging, Allows Data (Twin Pack)

Additional Details from the Manufacturer

This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing

More features

• This is NOT a data blocker, see PortaPow's other products if that is what you need
• This a USB-A male to female adaptor which has the D+, D- and 0V connected but the 5V disconnected, so power cannot pass through.
• Useful for specialist applications such as 3D Printers and Raspberry Pi where providing power results in undesirable effects
• Note a power blocker is not compatible with smartphones, tablets and many other devices. Please read the reviews to see situations where it does and does not work.
• Extra Value Twin Pack. Supports USB 2.0 Data Transfer.