BatteryBox Review - MacBook power with MagSafe workaround

If obsessively glancing at the power meter in your MacBook's status bar is giving you eye-strain while you're away from an outlet, it might be time for an external battery. Not every power pack is created equal, however, and BatteryBox claims not only to have made a smarter and much longer-lasting battery, but one which neatly works with Apple's proprietary …