It was just a few weeks ago I told you about the Charged-Card, a wallet-friendly battery pack designed to provide emergency power for your smartphone.
Pretty cool, yes, but a little costly at the expected retail price of $39.99 (early backers can still get in for $30), and a little limited with just one connector: Apple 30-pin, Apple Lightning, or Micro-USB.
Unfortunately for the Charged-Card folks, there's already a better product in the works: the Jumper Card, which does more for less.
Physically these two gizmos are just about identical. The Jumper Card is barely larger than a … Read more