Cordless Water Flossers

Best Water Flossers For: Portability, small bathrooms, and cordless convenience.

Cordless vs. Countertop Water Flossers

Compared to countertop water flossers, cordless models have a smaller water reservoir and slightly lower overall water pressure.

These differences help create a more compact, lightweight, and portable device.

Battery Options

Waterpik® cordless water flossers offer:

  • Models that use 3 AA replaceable batteries
  • Models that use a rechargeable battery and include a charging adapter

Explore the important features below, or browse our cordless models.

Cordless Water Flossers - Important Features

Water Reservoir Capacity

  • Depending on the model, the water reservoir offers 30-45 seconds of flossing time.
  • It is easy to refill the reservoir should you need to floss longer.
  • The removable reservoir can stay attached to the unit while filling.

Water Pressure Settings

  • Cordless water flossers offer 2 or 3 pressure settings, through an in-handle pressure control (most models) or special pressure tips.
  • Pressure ranges from 3.1 to 5.2 Bar.

Batteries, Portability, and Travel

  • Cordless water flossers have a small base and weigh less than countertop models.
  • Models with 3 AA batteries are easy to transport for travel and international use, because they don't require charging.
  • Models with a built-in rechargeable battery provide multiple uses on a single charge, without plugging the unit into an electrical outlet.

Shower Use

  • Waterproof cordless water flosser models can be used in the shower.

Cordless Water Flosser Quick Comparison


5 ounce (150 ml), 30+ seconds

7 ounce (210 ml), 45+ seconds


3 AA (included)

Built-in rechargeable NiMH

Number of Pressure Settings



Safe for Shower