Lenmar’s ChugPlug ($160) was one of a handful of Best of Show Award-winners at the 2014 International CES, and the only solely Mac-focused product of the bunch. Up until now, the only real option for providing portable power to a MacBook has come in the form of Sanho’s HyperJuice, an accessory that requires physical hacking of the power supply. ChugPlug offers up to four extra hours of use without having to tear apart a wall adapter. Originally…