There are many models in stock and ready to send out for the Cube Tablet. As we all know that different model equipped with different battery that the charger specification is different. Do not worry, all of them support quick charge with different specification. For example, the Cube X1 is equipped with a 3.7V charger while the Cube Power M3 is equipped with a 4.35V charger. More detail information about them, you can look at here: http://www.cube-tablet.com/buy-products.html