Flip 30 Charger. The Goal Zero Flip 30 Charger is a really convenient charger to take on-the-go! The Flip 30 should give you a weekend's worth of phone/camera/tablet on a single charge. Like the other Goal Zero Flip series of chargers, the Flip 30 is super simple, easy and portable.
Additional info. The Flip 30 Chargers stores 28.1 watt hour Lithium ion battery (3.7 volts, 7.8 amp hours). This pocket-sized charger will hold a charge for months and can be cycled over and over and over again without fear thanks to its lithium battery. When it needs a charge, you can put it into an AC outlet via the USB port or connect to the Nomad 7 solar panel. And when you're devices run low, the Venture 30 has dual USB output charging ports to charge 2 devices at once! (5V, 2.4A each)