Mophie Juice Pack for Galaxy S3

Groupon has mophie Juice Pack for a Galaxy S3 in Black or White ($99.99 List Price) for only $39.99. Free Shipping and Returns. [Amazon has it for $89.99]

View Groupon deal now

or get Urge Basics Portable Battery Charger for Smartphones for only $14.99. Multiple Colors Available. Free Shipping and Returns.