Hello, i got a problem, was using SGS pcc M401 PCC e-cigarette products, buy M401 PCC e-cigarette products from alibaba.com about half a year, and one day when i was charging the case i pushed the button, and nothing happened. Tryied to recharge it, everything but it was no use. So i got a new one. Everything was ok, i charged one baterry, than second, and the same thing happened. Now its also not reacting, no led display, lights, plunging in not helps... What to do?