This Ventev Powercell 5000 USB Charger Makes Use of Multiple Ports

Ventev carries a number of impressive USB chargers, but one standout model is the Powercell 5000 Battery Charger. This small, but power-packed charging devices boasts being able to deliver an additional 15 hours of battery life to your mobile devices and one of the best features is that it can handle charging two devices at once.

The universal 5000mAh battery promises that it's able to provide about 15 hours of talk, 11 hours of Internet, 12 hours of video use and even 60 hours of audio playback, so that you can happily snap photos, chat on Skype, listen to music without the worry of having your phone or tablet die out on you due to a dead battery when you're on the go.