Kensington Travel Battery Pack and Charger ?

Iphone Kensington Travel Battery Pack and Charger as new hardly used... Keep your iphone charged and playing all day. look at the link to Amazon I paid 80 only for sale as sold my iphone. Will take 40 no offers.... Thanks http://www.amazon.co.uk/Kensington-Travel-Battery-Charger-iPhone/dp/B002P7C7U2/ref=sr_1_31?ie=UTF8&qid=1340192081&sr=8-31