How about USB charging ports on emergency hand cracked generators like the Eton FR160r weather radio? I’ve heard these can damage phones if not done properly. True?
Now, this is what the spec dictates. But in actual fact there are plenty of USB chargers that break these specs — mostly of the wall-wart variety. Apple’s iPad charger, for example, provides 2.1A at 5V; Amazon’s Kindle Fire charger outputs 1.8; and car chargers can output anything from 1A to 2.1A.
Compatible with USB 2.0 and USB 1.1, the CyberPower CPTUC01 USB Charger features a 1-Amp USB port for conveniently charging phones, iPods, PDAs, cameras, and other personal electronics from a vehicle's DC power outlet (cigarette lighter) or from a normal AC outlet. Lightweight and compact, the CPUC01 travels easily and is conveniently stored in a protective cover (included). The CPUC01 is backed by a two-year limited warranty.
And by the way, not all phones capable of being charged by USB are either iPhones or Androids. My current crappy Symbian doesn’t give a crap about iPhone/Android charging methods and IS charged by those outlets, confirming once again they are not iPhone only. (Also, not all gadgets capable of USB charging are smartphones, but that is besides the point given the article’s content).
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