SwitchEasy’s PowerAmp ($50) is a compact charger with four USB ports that can be covered for their protection. Each port is labeled — there are two ports allowing for 1-2.3A output, one iPad port (up to 2.1A output), and one iPhone port (up to 1A). PowerAmp can deliver a total max output of 5.4A — do the math on which devices you’ll be able to charge at full speed simultaneously — and the charger uses “automatic device identification”…
