Dyson V15 charger doesnt work

I charged my new Dyson V15 vacuum all night (8+ hours). The charger has been blinking and the display also showed that it's charging. However, as soon as I take it from the power outlet and try to use it the display shows that the battery is empty and I have to charge it. So I did the entire process again for several hours and it still doesn't work. What can I do?