Furthermore, the Elfbar BC10000 has an internal 650mAh battery and 12mL of Juice nic salt. The nicotine strength is 5.0%, which is enough to satisfy the desire to vape and also to make you want to replace conventional cigarettes! The cartridge already comes with e-juice, so you just need to select the flavor you want when purchasing. There are several flavors of elfbar 10000 puffs available to you myle vape.