by Sanho was the first company to really make a splash with its external battery packs for MacBooks, but QuickerTek, more known for its Wi-Fi accessories, is in the game too. It’s just introduced the most recent version of EyeBattery ($280, aka Newest EyeBattery). Alongside the “most versatile” and “most powerful” options it also offers, this pack juices up any MacBook; there are separate versions for MagSafe 1- and MagSafe…
