Best for Water tank
DeWalt DCV517B 20V Max Cordless Portable Vacuum
3.4 feature score
Highest scored product for this feature based on supporting review evidence.
Best DeWalt Vacuums for Water tank
Water tank Decision Dashboard
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Wet capacity was mixed: one reviewer found the half-gallon capacity fine for normal spills, while another questioned how much liquid it could really hold.
Pros: Overall durability/longevity, Storage footprint and upright-stand stability
Cons: Battery and Charging, Suitability for heavy-duty use