Well,,,,,I am getting some leakage while using the Ego-t. I have had no problems with it leaking when I use it at home. However, if I put it in the cup holder of my UPS truck, battery side down, inevitably I get juice in the mouth piece and also on the inside walls of the atty in conjunction with the outer sides of the cartridge. It must have something to do with bouncing around in the cup holder. I also read another poster who only had issues when it was in her purse and one other poster who said only had issues when it was in his pocket. Seems to me, that perhaps, the leakage issues may have something to with movement?