does anyone know why my new no.7 disposable e cigs keep dying on me,they are good for 500 puffs each but they wont last longer than 1 day for me,i noticed the last puff had a funny taste and then the red led on the end flashed 10 times,no longer producing any vapors and does not work period,everytime i try to puff them now it just flashes 10 times, can this issue be fixed,i read about the micro switch and blowing into the inhaler end,but nothing works,im so ...... i was very excited about these when they were working,now i hate them.