Actual physical sizes of e-cigarette batteries are referenced by their width (diameter) and height in millimeter measurements. By way of example, an 18650 battery is often a quite common sizing of e-cigarette battery and is 18mm in diameter by 650mm in top, Consequently it?�s known as an ??8650??battery. cadere in http://dallas18h18.blogerus.com/33012524/getting-my-baseball-to-work