If you want a simple solution for your outdoor vaping needs, check out this Slim Battery by Tsunami.
This vaping system is equipped with a high-quality 400 MAH lithium battery with variable voltage from 3.3 to 4.8 V. That allows you to customize your vapor quality and production, while the 10-second draw time and rapid heat up allow quick and easy sessions on the go.
The vape comes with a matching mini USB charger and is available in red, black, silver, white and blue. Standing 7 inches tall, this battery is slim and easy to fit in your pocket or bag for stealthy and hassle-free on-the-go vaping.