Sanho Electronics has announced the HyperMac series of external power packs for Apple's entire MacBook line. Available in four different capacities -- 60Wh, 100Wh, 150Wh and 222Wh -- each device includes a cable for connecting to a MagSafe port. The packs also come with a 5V USB power port for charging any USB device individually, or simultaneously alongside a MacBook. In addition to providing a s
