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 charge and powerful motor means pads and mattresses are inflated in no time. Compatible with all Klymit valves. The perfect accessory for your Klymit sleeping pad. Tiny pack size fits seamlessly into your pack. 180 liters per minute fill speed. 30-watt average power. DC 3.7V 1300 mAH battery capacity.