The Energizer XP18000 Universal 18000 mAh Portable Battery Back and Charger can charge any laptop or mobile phone anytime and even with a dead battery and can charge up to three devices simultaneously.
The Energizer XP18000 Universal also comes pre-charged for immediate use and features multiple outputs for charging such devices as mobile phones, iPods, MP3 players, laptop, netbook, portable DVD players and gaming systems and also good for iPhones.
It is easy to charge your device with the Energizer XP18000 Universal, just plug it in for instant power and has Energy Star certified full charge auto-shut off, and maintains a charge for up to one year. The Energizer XP18000 Universal is available from Woot and carries a price tag of $99.99.
what does this charger run through, does it has battery or it has to be charged? and i would also like to know what is the standby time for this charger if it is running through electricity charging.