That looks very similar actually to the point where I thought aura was right. However, how could the tank be sold separately when the logo is the different for both the pen and charger? @(you need an account to see links)
No wait @(you need an account to see links) was right I just saw the first picture of the charger. Thanks @(you need an account to see links)!
<br>(you need an account to see links)
How did you find that? +Rep