The Pebble Argonaut PZ30 PRO is a powerful 30000mAh rugged power bank with PD universal USB-C charge port. With a capacity of 30000mAh and 18W output, and being equipped with a weather-resistant, rubberized chassis the Argonaut is perfect for extended trips away recharging multiple devices from smartphones to tablet and mini laptops. Portable Power Bank Features It packs a punch with the heavyweight of the PZ series at 30000mAh capacity Auto shut-off mode to protect against short circuit, over-current, over-charging and over-discharging Universal USB-C charging port, will charge most portable devices with up 12V output (all smartphones, tablets, and most mini notebooks) Contains WYG 21700 li-ion cells which is 40% more energy efficient than traditional power banks Water Resistant: Splash resistant Battery Life: >300