... ready to use and includes the following: 2PCS eGo-T tank atomizer's2PCS eGo-T 650/900/1050(1100)mAh rechargeable ... -ion batteries, with built in on, off circuitry.5PCS Empty Tank cartridges colors ( blue, brown, pink, red, White or Black )1PC ... -650puffs (650mAh)800-850puffs (900mAh)1000-1050puffs (1100mAh)5. East Tank cartridge lasts for: 280-320puffsRecommended charging time:2.5 hours ...