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.