The i3G Power Station is a handy pocket-sized iPhone or iPod backup battery pack. Recharged via your usual USB charging cable, the pack is the perfect solution for heavy iPhone users that need to have battery intensive features like push-email switched on at all times. Incorporating a rechargeable Li-ion polymer battery that can give up to 250 hours extra standby time, up to 5 hours talk time or up to 20 hours extra music playback time, the i3G Power Station is wireless, compact and will prove itself invaluable.