Monster POWERCARD is Monsters first foray into providing on-the-go Smartphone users a rechargeable solution. Monster pushes the boundaries of conventional Smartphone rechargeable devices with the POWERCARD by creating a solution that features a sleek, ultra thin design. The credit card sized Monster POWERCARD was designed to fit into most wallets and pockets. The palm-sized Monster POWERCARD can charge a phone and be recharged itself three times faster than most Smartphone rechargeable solutions on the market. The POWERCARD is equipped with a universal charging circuit; its capable of charging most SmartPhones.Features:Ultra-thin, credit card-sized portable battery 1,650 mAh Li-Polymer battery USB 1.5amp quick charge for output charging USB micro input charging Universal charging (includes Blackberry) LED indicators