Check out the full letter for more stats and details, we'll give it a read through and see what other numbers jump out in a moment.

ENGADGET

"We have spent months designing, engineering and testing a complete juice pack family of products, dialing in the details to make the user experience flawless from the moment the consumer puts the case on their iPhone 5, " said Ross Howe, vice president of marketing at mophie.

ENGADGET: Mophie Juice Pack Air brings an extra 1,700 mAh to iPhone 5 for $100

In a moment I'll be speaking to the Shadow Home Secretary Ann Widdecombe but first of all details of a new documentary about the former US President Richard Nixon.

BBC: News Online