Using MagSafe for portable battery packs has so many niceties versus Qi1: Increased communication with the device, allowing for better efficiency due to better thermal management and charging Easily view the charge percentage of the external battery when first attaching it, and at any other point right from the OS Reverse-wireless-charging, so if you charge your phone while the pack is attached, the phone will charge up first and then send energy to the battery pack Magnets for better chargin...
