Hotcampus vs SunJack Portable Power

The local student marketplace

Hotcampus is a free student marketplace that makes it easy to arrange buying and selling online and meeting on campus for the actual exchange of goods and money. With Hotcampus, students can buy from otherstudents stuff they don't need anymore, like used books, at a fraction of the price and can sell stuff they don't use and make some extra money.
Hotcampus brings safety, since every ‘trade’ is done on campus between verified students and is simple to use. It lets you search product listings by university, city, or state and contact the seller with one click.
Hotcampus is the easiest way for students to buy and sell on campus.

World's most powerful portable solar charger

We provide the world's most complete power companion - portable solar with battery banks that can power phones, tablets, cameras, speakers, lights, and more.