Rule number 1 of being safe while vaping… get yourself a good battery! It’s as simple as that. There’s no rocket science involved. =) Wells here’s an awesome deal for not just 1 good battery. While supplies last… VaporDNA has the Sony 18650 30 amp batteries on sale. But 2 for $25 and get 1 FREE! And as always… get a FREE bottle of MP e-liquid with every purchase. And… if you get your order over $49… FREE shipping is also included. Hey, 3 solid Sony 18650 30 amp batteries & a bottle of juice for $25. That’s a hard to beat deal right there.