Varta Phone 30-pin PowerPack. With this Mini Powerpack you can easily give your Smartphone a power boost, so you get around 150 extra minutes of conversation. This mini power pack is very small and only weighs 42 grams. Handy to always have with you as an emergency backup charger. Varta Phone Power 800mah Mini Powerpack can be purchased cheap online at Batterijenland Features: Compact and handy, fits in your pocket 150 extra call minutes Simple solution for emergencies Rechargeable via USB Rechargeable Li-Ion 800mAh battery Can be charged hundreds of times LED indicator light Easy to hold on confirm Dimensions: 84x36x16mm Weight: 42 grams Color: Black Suitable for: USB devices with 30-pin connection such as Iphone 4S, Iphone 4, Ipot Touch, Ipod Classic, Ipod Nano