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Plugable USB Data Blocker for Juice Jacking, Universal Charge-Only Adapter

Mfg.Part: USB-MC1 CDW Part: 7392913 | UNSPSC: 26121600
Quick tech specs
  • Prevents juice jacking and protects your device and data
  • Allows for faster charging at 1A or more
  • Backed by Plugable's Seattle-based support team and 2-year limited parts and labor warranty
  • Simulates an Apple 1A charger signal for compatibility with most devices
  • Compact size for convenient on-the-go charging
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Know your gear

USB Charging Information Most devices can't/won't charge from normal powered USB hubs if the computer is turned off/not connected. That includes most Android, Apple iOS, and Windows devices. The phone/tablet must negotiate how much power to pull, to do so by the original USB specification, devices are supposed to only draw 100mA at first and then they can then negotiate up to 500mA. This negotiation requires a PC that's attached and on. Unfortunately even at 500mA, charging most devices will take a very long time to charge.

For example, the iPhone and most other non-tablets will charge on a standard port this way but they can also charge faster (up to 1A) if the USB port sends a special, non-standard signal to say "I'm an Apple 1A charger". The Plugable MC1 adapter simulates that Apple 1A signal, turning any powered USB port with at least 1A power available into a charging port. Even though it's not standard, it's how Apple pioneered faster charging, and fortunately, nearly all phones and tablets on the market today recognize this signal. For larger devices such as tablets like the iPad, this adapter is even more important because their batteries are larger and charging at 500mA would be too slow.

How many of these adapters can be safely used on a powered hub or PC at once? The AC adapter of your powered hub needs to be rated for at least 1A per USB charging adapter connected. If it is not, USB over-current protection may be triggered (causing all power to the hub to shut off), or the hub circuit or power supply may heat up from too much current being pulled through by the device. If this happens, remove devices until you're back within the rated amperage. Charging rates will be determined by the maximum charging speed your device supports, the quality of the USB cable you use, and if the USB port has enough power available.
Availability: 12 units In Stock
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