G Pen Hydout 510 Cartridge Battery Concealed Stealth Vape G Pen G Pen Shop Portable Vaporizers, Vape Pens and Dab Rigs Yocan Flat Series 510 Battery Lighter USA Rokin Rage Compact Vape Pen Smallest 510 Thread Battery Various Colo MJ Wholesale Yocan Ziva Pro Vaporizer Battery Retail $11.99 Ziva Pro has a great smart touch screen display, adjustablein increments of .1 v and is inhale activated. Unfortunately, it's also fragile. The mouthpiece cracked when I accidentally tipped it over.