VAPE NOVA - ***The iJoy Captain 270 watt mod has arrived!!!*** Includes two 20700 batteries, and adapter sleeve to also accommodate your normal 18650 batteries! 🙌 This thing is awesome! | Facebook
Amazon.com: LampVPath 3PCS 18650 Battery Protective Sleeve, 18650 Battery Spacer, 18650 Battery Holder Converter for 18650 Battery (Batteries are not included) - 3 Pack : Electronics
18650 to 20700 conversion sleeves-which end? | Vaping Forum - Planet of the Vapes