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Anker Astro E4 external battery pack
Running out of juice after you've forgotten to charge your mobile device can be an utter nuisance -- and sometimes puts real kinks in your daily plans. To combat this problem, buy your student an external battery pack they can use in emergencies.
The Anker charger can charge most smartphones up to six times (with a capacity of 13000mAh) and can provide a majority charge to an iPad. Dual USB ports mean you can charge more than one device at the same time, and LED lights warn you of the charger's remaining capacity.
The Anker is compatible with many devices; including the iPhone 5 -- although you'll need to buy the Lightning Cable -- iPad, iPod, Samsung Galaxy devices, HTC smartphones, the Google Nexus 4 and 7 and LG products.
Price: $45.99 (currently on sale: Usual price $119.99)