Energizer is offering you the opportunity to receive 100% Cash Back when you purchase an Energizer Energi To Go Mobile Charger. To redeem this Cash Back offer you must purchase an Energi To Go Charger in the promotional period starting on 01/10/09 and closing at 5pm AEDST on 31/03/10, or when 1000 valid claims have been received. Next you log onto the Energizer website and complete the entry form provided. Then print out the completed entry form and attach a copy of your receipt and the product barcode and mail to the address provided. If you're one of the first 1000 valid entries, you'll receive 100% Cash Back.While you are there; if you have also purchased a specially marked packed of Energizer batteries, you can get 3 Free Tunes downloads. To do this you'll need the unique code from the pack and the barcode to submit to receive your 3 Free Tunes. This offer ends December 6, 2009, so get in quick if you'd like to take them up on it.