eGo-W e cigarette, eGo giantomizer 1. battery:650/900/1100mAh 2. CE, ROHS, SGS 3. Size ... sensing switch, intelligent control circuits, smart chip, high-tech lithium-ion batteries and other microelectronic device structure. Electronic cigarette is ... of E-cigarette: 40g * Each keep: 2000puffs* Battery capacity:650/900/1100mAh* Battery lifespan:300 times One package includes: Rechargeable Battery2pcs ...