One of the worlds largest vaping companies have manufactured a powerful, reliable and high capacity flat-top 20700 battery for a variety of long-lasting vaping setups.
The iJoy 20700 has an incredibly large nominal capacity of 3000mAh, but the fun doesn't stop there as its most important feature is the 40amp discharge current. This battery can be both high-drain and high-capacity making it the holy grail of batteries.