Our preliminary testing of the iPhone 6 and iPhone 6 Plus has revealed that both devices are capable of using 2.1-Amp power under certain circumstances, despite shipping with lower-powered 1-Amp USB Power Adapters shown here. When connected to a Mac running OS X Yosemite, both models reported drawing 1600 mA of extra power, in addition to the base 500 mA used by the USB standard, suggesting that the new models can be charged more rapidly when using…