The 510 Manual Battery is a working part of the cigarette, it is essential for converting the air and nicotine into the vapor the Genesis 510 E.Cigarette Produces. The 510 batteries although made to a very high standard do breakdown with use, it is always advisable to have a couple of spares.
510 Manual Battery has a button on the battery body. The battery turns on when you press and hold the button. And it turns off when you release the button.