China-based Beaver Electronics Co. recently unveiled a reasonably priced portable juice pack with buttonless design that after 15 minute of fast-charging holds enough juice to fully recharge an iPhone 5s. In fact, the Quarter recharges any mobile device via USB.
Surprisingly, through its built-in MagSafe 2 port the Quarter charging its 5,000mAh internal battery via the MacBook's MagSafe wall charger takes under an hour. The company kindly provided me a review unit that I tested out over the past week, here're my impressions.