The Aspire Zelos Nano vape kit is the perfect starter kit for new mouth-to -lung vapers who want a straightforward kit that produces modest clouds. The Zelos Nano is powered by a 1600mAh battery and offers a wattage output of 9W-15W, allowing you to conserve your e-liquid for longer vaping sessions. The Aspire Zelos Nano vape kit features a LED battery indicator which conveniently displays how much battery life you have left until your next charge: red 0-30%, blue 30-60% and green 60-100%.