Give the gift of sleek, reliable portable power for smartphones and tablets this holiday season with the credit card sized Justin Ultra Slim Power Bank [$40]. It comes with an attractive synthetic leather carry case and is uber-lightweight, with a slim design that fits easily in your wallet, pocket, briefcase or purse. With its 2,200mAh or power, it will fully recharge your phone and never leave you dead in the water.  It charges super fast and holds its change for weeks.

Buy: Innovative Technology