The Professional Emergency Phone Charger ™ for iPhone will enable you to charge your iPhone anywhere when your Phone battery runs flat. We all know how battery intensive the iPhone can be be running a few apps at the same time. Before you know it, its not even the end of the day and your phone is dead. Now with the Emergency Phone Charger, you don't need to find mains power to charge up your iPhone when it goes flat. Simply plug in the rechargeable Lithium ion battery and keep using your iPhone just as if you were charging it from the wall! It doesn't get any easier than that. Its ideal to keep in your handbag, briefcase, backpack, car glove box and is the perfect accessory to have on your next camping or boating trip, where you may need the extra power. The Professional Emergency phone Charger ™ will provide up to 250 hours of standby time, 5 hours of talktime and 20 hours of music playback.