Waterpik Cordless Pulse 3100 WF-20CD013 Rechargeable Water Flosser

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Product guide

Waterpik Cordless Pulse 3100 WF-20CD013 Rechargeable Water Flosser

WF-20CD013: The Waterpik Cordless Pulse 3100 is a rechargeable portable water flosser with two pressure settings, a removable 6-ounce reservoir and shower-use capability. Its compact format suits travel and smaller bathrooms, though the reservoir is limited and customer feedback is mixed on battery life and durability.

At a glance

Two pressure settings provide a low or high option for daily flossing.
The 6-ounce removable reservoir is listed as top-rack dishwasher safe.
Rechargeable lithium-ion battery with USB-C charging and recharge indicator.
Claimed shower-use capability and a non-slip grip support use outside a fixed countertop setup.

Price

$29.99Save 40%

Reference price: ~~$49.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Portable rechargeable design is suited to travel and smaller bathrooms.
The included precision and tongue-cleaner tips cover two distinct uses.
Removable reservoir simplifies cleaning, and the listing says it is top-rack dishwasher safe.

Cons

The 6-ounce reservoir holds less water than a full-size countertop unit, and customer feedback also criticizes its size.
There are only two pressure settings, low and high.
Customer feedback reports mixed battery experiences and concerns about durability.

Technical specifications

12 specifications

Identity
Brand	Waterpik
Model	WF-20CD013

Dimensions and installation
Dimensions listed	3.7 x 2.5 x 11.88 inches; 10.4 ounces

Flossing and controls
Reservoir capacity	6 oz
Flossing time per fill	up to 45 secs
Reservoir cleaning	top-rack dishwasher safe

Power and charging
Battery	1 Lithium Ion batteries required. (included)
Charging connection	USB-C
Battery life claim	up to 9 weeks on a single charge
Charging adapter	USB-A wall adapter plus not included

Use and care
Shower use	waterproof for shower use

Warranty
Limited manufacturer warranty	2-year

What to know before buying

Listing details to confirm

Listing details conflict or remain unconfirmed: the feature list says two flossing tips without identifying them, while the product description and tip details specify one Precision tip and one Tongue Cleaner. Dimensions also differ between the details table and description, and the included charging cable is described as USB-C to USB-A while the USB-A wall adapter is not included. Confirm the selected listing's exact dimensions and package contents. The claimed battery duration of up to 9 weeks is not an unconditional runtime guarantee.

Who is it for?

A good fit for

Travelers or people with smaller bathrooms who want a rechargeable cordless flosser.
Buyers who want both a precision flossing tip and a tongue-cleaner tip included.
People seeking a water flosser specifically described as usable in the shower.

Less suited to

Buyers who prioritize a larger reservoir or several adjustable pressure levels.
Anyone who needs independently established expectations for long-term battery life or durability.

Waterpik Cordless Pulse 3100 WF-20CD013 Rechargeable Water Flosser · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 15,711 ratings

5 stars65%65%
4 stars14%14%
3 stars9%9%
2 stars4%4%
1 star8%8%

Customer feedback highlights effective cleaning between teeth and along the gumline, while reports are mixed on battery life, power and value. Durability concerns and criticism of the small reservoir matter for frequent or extended sessions. These are customer-reported impressions and do not establish a specific product fault or explain every experience.

Positive themes

Customers describe effective cleaning between teeth and along the gumline.

Negative themes

Customers raise durability concerns, including reports of failure after two months.
Customers criticize the reservoir size as too small.

Mixed feedback

Battery life draws both positive reports and complaints about charging failure.
Power is described by some as sufficient and by others as inadequate.
Opinions on value for money differ.

Frequently asked questions

What tips are specified as included?

The product description and included-tip details list one Precision tip and one Tongue Cleaner. A separate feature bullet only says two tips, so confirm the selected listing's package details.

Can this water flosser be used in the shower?

The listing states that this model is waterproof for shower use.

What is included for charging?

The description says a USB-C to USB-A cable is included. A USB-A wall adapter is not included.

How long is the claimed battery life?

The description claims up to 9 weeks on a charge. This is a listing claim, not a guaranteed duration.