Aluratek Battery Case - external battery pack - Li-pol

Get on-the-go power and protection for your Galaxy S3 in a sleek, light-weight external rechargeable battery case. The Aluratek Lithium-ion battery Case is designed to improve protection and double the time you have to talk, web browse, listen to music, play games, watch videos on your Galaxy S3! The Battery Case a rechargeable lithium-ion battery disguised inside a low-profile white shiny hardshell case that is form fitting to your Galaxy S3.