Mega Pump is a powerful rechargeable pump for inflation and deflation, making setup and takedown of your sleeping mat a breeze.One of our most common requests is a way to more easily deflate and repack your EXPED camping mat, and Mega Pump delivers!The Mega Pump features a rechargeable battery with a convenient USB-C port and double-click on/off button. While Mega Pump is designed to be used with EXPED sleeping mats, the included adapters (including a Universal Valve Adapter) allow Mega Pump to be used with select non-EXPED sleeping pads and inflatables. Design & Details: 2-in-1 pump with an inflate port on one end and a deflate port on the other, you can set up and pack away your camping mat in minutes More easily pack large camping mats back into the stuff sack thanks to effortless deflation in as little as 1 minute for single sleeping mats While Mega Pump is designed to be used with EXPED sleeping mats, a set of rubber adapters are included (including an EXPED Universal Valve Adapter for the inflate port) for use with select other sleeping pads and inflatables The rechargeable Li-Ion battery has a running time of 25 minutes, enough to fully inflate and deflate a single MegaMat up to 10 times