Battery life is essential for any vape pen. Much larger batteries supply better effectiveness but are much less transportable. Battery capacity is proven in mAh (milliampere/hour). Larger sized numbers indicate more electrical power and for a longer period battery existence, and also a bigger device. It provides easy and reliable https://kameronrjbqf.angelinsblog.com/34708639/an-unbiased-view-of-thc-vape-pen