The VooPoo Doric 20 has a built-in 1500mAh battery with auto and manual activation that can output up to 18W of power.
It can also be recharged in 1 hour with fast USB-C charging. This device is made for MTL vaping and would be a great choice for new and existing vapers that want a simple pod kit to use all day.
(For a longer battery lifespan, use 1a Output wall plug)
DO NOT CHARGE DEVICE OVERNIGHT.