Black & Decker via eBay.com offers its Black & Decker 18-volt Ni-Cd Hand Vac, model no. BDH1800S, for $19.99 with free shipping. That's $44 off list price and the lowest total price we could find. (For further comparison, we saw a refurb for the same price two weeks ago.) It features an 18V interchangeable battery system that's compatible with a range of Black & Decker tools.

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