NikKTech checked out the Proscenic P10 Cordless Vacuum Cleaner
A quote from the article:
With its 22KPa suction power and 2200mAh lithium-ion battery the Proscenic P10 is not only among the most powerful and longest battery life cordless vacuum cleaners in the market today but it also looks great.Proscenic P10 Cordless Vacuum Cleaner Review