Distinctly slim and lightweight, the Juice Pack Reserve provides advanced power, reliability and protection in an inconspicuous case you’ll barely notice. The built-in 1,840mAh battery delivers more than 60% extra battery life for your phone. And the edge-to-edge protection and rubberized support pads protect your phone from everyday wear and tear. You won’t notice the Juice Pack Reserve case–you’ll just notice the extra battery life.