For under $30 get this 10,000mAh battery pack and a fast-charging 3-in-1 cable

Nowadays, almost no one dares to leave the comfort of their homes without carrying a portable battery. People have become so dependent on their electronic devices that when power runs out, they are scrambling to find the nearest outlet to juice up. Which is why when you're on the go, you need a high-capacity and low profile battery that isn't a pain to lug around anywhere.