Kanger's Gem Pod Kit sports a built in battery which has a capacity of 500mAh. In addition, it can be charged using the included micro USB cable.
Also, there is an LED light indicator, which will notify you of your current battery life while vaping. Like many other pod vapes, the Kanger Gem Pod System features an ultra compact size, making it easy to carry with you. Not to mention, it does have a rather sleek design overall.