Totopia SC-203B Cordless 48 kHz Ultrasonic Retainer Cleaner

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Product guide

Totopia SC-203B Cordless 48 kHz Ultrasonic Retainer Cleaner

The Totopia SC-203B is a cordless ultrasonic cleaner listing 48 kHz cleaning with built-in UV light. Its rechargeable battery, compact dimensions and stated support for retainers, dentures and jewelry suit buyers seeking a multipurpose countertop or travel cleaner, with cleaning results and capacity limits worth considering.

At a glance

The listing describes 48 kHz ultrasonic cleaning and built-in UV light for retainers and other small items.
Rechargeable cordless operation with USB-C charging is intended for use away from a power outlet.
The stated item range includes full dentures, aligners, mouth guards, jewelry and toothbrush heads.
Two built-in brush slots are described for holding toothbrushes or electric toothbrush heads upright.

Price

$39.97Save 33%

Reference price: ~~$59.99~~

Price checked: Nov 14, 2026

View offer

Often bought together

Retainer Cleaner Tablets, Denture Cleaner, Mint, 4 Month Supply by M3 | Compatible with Retainer Cleaner Machine & Ultrasonic Retainer Cleaner, Helps Remove Tough Stains, Buildup, Odors & Plaque

$23.99

Ultrasonic Retainer Cleaner Solution for Ultrasonic Denture Cleaner-Professional Cleaning of Retainers, Invisible Aligners, Mouth Guards, Night Guards, Remove Odors, Discoloration & Stains 8.5oz

$19.99

Pros and cons

Pros

Cordless rechargeable operation can make placement at a bathroom sink or packing for travel more convenient.
The listing describes use for both dental appliances and small personal items such as jewelry.
Automatic shutoff is claimed for each cycle, and the UV light is said to turn off when the lid opens.

Cons

The manufacturer says hardened or long-standing buildup may take multiple cycles, so a single cycle is not presented as sufficient for every cleaning need.
The cleaner must be unplugged while in use, so it cannot be operated during charging.

Technical specifications

12 specifications

Identity
Brand	Guangdong SounCrise Technology Co., Ltd
Model	SC-203B

Dimensions and installation
Dimensions listed	4.5 x 4.5 x 3.89 inches
Weight listed	1 pounds

Cleaning
Ultrasonic frequency	48kHz
Water fill limit	150mL MAX line

Power and charging
Battery	1 Lithium Ion batteries required. (included)
Charging port	USB-C
Claimed runtime	up to 14 cleaning circle (5 min mode)
Claimed recharge time	under 3 hours

Use and care
Splash resistance claim	IPX5
Cooldown instruction	A 1-minute cooldown after every 20 minutes of continuous use

What to know before buying

Add water before running and keep it below the 150mL MAX line. Do not run the cleaner without water. Replace the water between repeated cycles, and follow the item’s care instructions if using a compatible cleaning solution.
The display has a removable protective film that the listing says should be peeled off before first use.

Listing details to confirm

Battery life is stated as up to 14 cycles in 5-minute mode, roughly two weeks of daily use, while charging takes under 3 hours. These are manufacturer claims, not independently measured results.

Who is it for?

A good fit for

Retainer, aligner or night-guard users looking for a rechargeable cleaning appliance.
Buyers who want one listed cleaner for dental appliances and jewelry.
People seeking a compact cleaner for home, dorm or travel use.

Less suited to

Buyers who need a cleaner that can operate while plugged in.
Anyone expecting stubborn, hardened residue to be removed in one cycle.

Totopia SC-203B Cordless 48 kHz Ultrasonic Retainer Cleaner · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 32 ratings

5 stars79%79%
4 stars12%12%
3 stars9%9%
2 stars0%0%
1 star0%0%

Customer feedback reports effective removal of dirt and buildup from jewelry and keeping night guards clean, and describes the cleaner as practical and well made. That feedback is relevant to the listed range of dental appliances and jewelry, but does not establish cleaning results for every material or stubborn residue. The aggregate ratings are mostly five-star with some three- and four-star ratings, so the overall picture is favorable but not uniformly top-rated.

Positive themes

Customer feedback highlights cleaning effectiveness for jewelry and night guards.
Customers are described as appreciating the product's quality and practicality.

Frequently asked questions

Can the cleaner run while charging?

No. The listing says to unplug the charging cable before use.

How much water should I add?

Fill below the 150mL MAX line. The listing says not to run the cleaner without water.

Will one cycle remove stubborn buildup?

Not necessarily. The listing says hardened or long-standing buildup may need multiple cycles, with fresh water between cycles.

What items is it intended to clean?

The listing names dentures, retainers, aligners, mouth guards, night guards, braces, jewelry, toothbrush heads and other small items. Follow each item's care instructions.