A quick and easy solution for inflating your Klymit sleeping pads. The Tempest Rechargeable USB Pump is an easy-to-use rechargeable pump that makes inflating your sleeping pads fast and easy. A long-lasting electric battery that charges off USB and a powerful motor mean pads and mattresses are inflated in no time. Compatible with all Klymit Flip Valves (not compatible with Twist Valves). The perfect accessory for your Klymit sleeping pad. Tiny pack size fits seamlessly into your pack.