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2. Quick Charge - Wikipedia

   en.wikipedia.org/wiki/Quick_Charge

   Quick Charge is a proprietary technology that can charge battery-powered devices, primarily mobile phones, at power levels exceeding the 7.5 watts (5 volts at 1.5 amps) supported by the USB BC 1.2 standard, using existing USB cables. The higher voltage available allows more power (watts) to be supplied through wires without excessive heating.

3. List of NFC-enabled mobile devices - Wikipedia

   en.wikipedia.org/wiki/List_of_NFC-enabled_mobile...

   Samsung S3FWRN5P NFC Galaxy S6 Active: Android June 2015 all versions Galaxy S7 and S7 Edge: Android March 2016 all versions, including Galaxy S7 Active NXP 67T05 and Samsung 81DGXS1 NFC Galaxy S8 and S8+ Android April 2017 all versions, including S8 Active Galaxy S9 and S9+ Android April 2018 all versions NXP PN80T and Samsung S3NRN82 Galaxy ...

4. USB On-The-Go - Wikipedia

   en.wikipedia.org/wiki/USB_On-The-Go

   These permit the device to work with USB Accessory Charger Adapters that allows the OTG device to be attached to both a charger and another device simultaneously. [7] These three states are used in the cases of: A charger and either no device or an A-device that is not asserting V BUS (not providing power) are attached. The OTG device is ...

5. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   Charging docks supply power and do not include a host device or data pins, allowing any capable USB device to charge or operate from a standard USB cable. Charging cables provide power connections, but not data. In a charge-only cable, the data wires are shorted at the device end, otherwise, the device may reject the charger as unsuitable.

6. AliveCor - Wikipedia

   en.wikipedia.org/wiki/Alivecor

   The AliveCor iPhone ECG case does not fit on the iPhone 5 due to the change in geometry of the phone, and it would need further FDA approval to be used with the iPhone 5. [10] In October of 2013, AliveCor announced a new ECG device that would, for the first time, support Android devices. This new device would no longer need to fit the ...

7. Qi (standard) - Wikipedia

   en.wikipedia.org/wiki/Qi_(standard)

   Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium.It allows compatible devices, such as smartphones, to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [1]