External batteries are quite useful to have for smartphone and tablet owners. You never know when your device decides to run out of battery. A high capacity battery extender can get you unstuck. The Zendure is not your average external battery though. It has a crush proof but stylish design. It ships with battery capacity has high as 15,000 mAh. Zendure batteries are made from Polycarbonate + ABS. You won’t be able to kill them that easily. You get long standby time, dual USB output, and energy efficiency. What’s not to like?