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? How can I change the direction that my drill rotates? What size batteries does Einhell have available?