BEYOND RUGGED The Cat B26 rugged mobile phone is drop proof, dust proof, and waterproof, and built to withstand tough environments. Military Standards The Cat B26 is rugged, tough, and tested in extreme conditions. Waterproof to 1.2m for up to 35 minutes, drop tested up to 1.8m (6 foot) onto concrete, dust proof and resistant to extreme temperatures. 1500 mAh Battery Up to 13 hours talk-time and 18 days standby time from a single charge, the Cat B26 is built with a big battery to keep you working for longer.