How large is the tank on the Handheld Vacuum? January 13, 2021 20:32 Einhell's TE-VC 18 Li Cordless handheld vacuum cleaner uses an 18.25 Oz Dust Tank. Related articles Can the Einhell Handheld Vacuum be used for Wet Vaccuming? Why type of battery does the Einhell Handheld vacuum take? How can I change the direction that my drill rotates? What size batteries does Einhell have available?