PowerPatch’s sleek iPhone battery cases not only make smartphones look fashionable and protect them from scratches, spills, and crash landings, but nearly double their battery life. Pretty convenient, no? Made by Invicta, the iconic Swiss watch brand, PowerPatch’s standard and flip-front cases come in leather, aluminum, and polyurethane and range in color from brushed silver to bright yellow and pale pink. Ditch your old iPhone case and replace it with one that works overtime.