All those outdoor enthusiasts who crave for external power sources for their phones during trekking or hiking trips, this Photive BOLT 9000mAh Rugged and Water Resistant Portable External Battery Charger has been designed exclusively for you. It’s got water tight ports and impact resistant housing which can withstand any tough adventurous situation like a breeze. The IP-65 rating only proves the fact that this charger will not suffer even after undergoing a drop in the mud, sand, dirt or water. The whopping 9000 mAh battery can keep your phones charged many times over during those crazy adventurous missions you make. So campers, hikers, skiiers and everyone into adventurous sports – You now know what can keep your power hungry phones and tablets working during outdoor trips without going out of charge.