Macworld Charge fastest, charge coolestWireless charging is a wonderful convenience for iPhone owners: rather than fiddling with wires, you simply place your phone on the pad and walk away. But that doesn’t mean all wireless chargers offer the same degree of convenience or functionality. On the convenience front, the most obvious “added value” bonus feature to look for is a magnetic connection, such as the one offered by Apple’s own MagSafe standard. A strong and accurate connection means you don’t need to carefully place your phone in the charger’s sweet spot, or worry about the phone slippin…