510 atomizer ego 650/900/1100mAh battery optional ROHS,CE,FCC,FDA,SGS approved Factory price!!! 2012 Top selling 510 atomizer ego tank specification ... *Puffs per cartridge: 200~250 puffs*Battery life:≈300 cycles*Atomizer life: Up to 75,000 puffsFEATURES:Multi-flavor rotating e ... will be depending on your request... 2012 Top selling 510 atomizer ego tank