Samsung INR18650-30Q 3000mAh High Discharge Flat Top. VapeMeet always recommends using batteries from trusted brands, and you can't get much better than Samsung.

Samsung 30Q battery not quite what you're looking for, take a look through our  to find the right one for you.  Don't forget to add a  to make sure you are practicing good battery safety, or get a quick charge with one of our .