ive ben wanting a epipe. but just dint have that kind of money to spend on one. so i went out an was searching the net. an found this thing called a kuwako that fit on any ego type battery. so i ordered one for 12.99 on janty us web site. then i was reading that an auto battery would be best fit for this lovely device. so i went on searching the net again. now i could of went an got the echo. witch ive herd nothing but great reviews about. but i already had a bunch of ego type cartomizers an chargers. so i didnt want a hole nether battery pv mod kit set whatever. so i found this ego 650 mah auto battery on cignot. an i already got three emdcc. so i get my kuwako in the mail. next day get my new ego auto battery. took the ego auto battery an checked it over, no led light at the bottom. witch i like. cause no wind to gets in that way. then checked up by the battery conection an theres a tiny little pin hole that lights up red when you pull on the battery for a drag. but also lights up when you just blow on that little pinhole. so i got some scotch tape threw that over the little pin hole. an boom no more going off while blowing on it. had that battery ratiling around in my pants pocket all day an not once did it go off an it held its charge all day too. so i get the battery slide the kuwako on. screw on my emdcc. an away i vape. man best thing ever.. love how you have to stoke it before you get a good drag. like a real pipe would. here is a couple of pics of my new an fav pv mod



