COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set) vs Waterpik Cordless Advanced Water Flosser WP-580 (White)
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set)
People who want a cordless flosser with a 300 ml tank and a published PSI range
A rechargeable cordless water flosser with a 300 ml tank, a stated 40-130 PSI range, several modes and five tips including a tongue scraper. The manual says charge about four hours, not three, never submerge it despite IPX7, and never descale with vinegar. No adapter in the box.
Published specifications
- Manual: model C20 (F5020E); cordless, 3.7V 1400mAh
- Manual: 300 ml tank; 40-130 PSI; noise under 72 dB
- Manual: Clean, Soft, CH and Massage; auto-off after 2 minutes
- Manual: about 4 hours to charge; listing: 3 hours; 30 days claimed
- Manual: IPX7 but do not submerge; water no warmer than 40°C
- Manual: 5 nozzles, replace every 6 months; no adapter included
Strengths
- A 300 ml tank on a cordless, rechargeable handle
- Manual publishes a pressure range, 40-130 PSI
- Five nozzles in the box, including periodontal and tongue scraper
Caveats
- Manual forbids vinegar, descalers and mouthwash in the tank
- Charge time differs: 3 hours (listing) vs about 4 hours (manual)
- No warranty terms in the manual; only a 2-year badge on the maker page
Read the full COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set) guide
Waterpik Cordless Advanced Water Flosser WP-580 (White)
Travel, small bathrooms or flossing in the shower
A rechargeable handheld water flosser with a 7-ounce tank for about 45 seconds, three pressure settings, four tips and magnetic USB charging. Waterpik says it can be used in the shower but the manual says never immerse it. Charge time is 4 hours on the maker page and 8 in the manual. Two-year warranty, tips and battery excluded.
Published specifications
- Maker: WP-580, cordless handheld, lithium-ion 4.86 Wh
- Maker: 7 oz reservoir, about 45 seconds; 10 oz per minute
- Maker: 3 pressure settings; 4 tips included
- Maker: 4-hour charge; manual: 8 hours; up to 4 weeks per charge
- Maker: usable in the shower; manual: never immerse
- Manual: two-year limited warranty; tips and battery excluded
Strengths
- Cordless and usable in the shower, according to Waterpik
- Up to four weeks per charge with magnetic USB charging
- Travel bag, travel plug and four tips included
Caveats
- Small 7-ounce tank lasts about 45 seconds
- Charge time differs: 4 hours (maker page) vs 8 hours (manual)
- Battery not replaceable and excluded from the warranty
Read the full Waterpik Cordless Advanced Water Flosser WP-580 (White) guide
How to choose between them
Choose the COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set) if your situation matches: People who want a cordless flosser with a 300 ml tank and a published PSI range. Its main caveat: Manual forbids vinegar, descalers and mouthwash in the tank.
Choose the Waterpik Cordless Advanced Water Flosser WP-580 (White) if your situation matches: Travel, small bathrooms or flossing in the shower. Its main caveat: Small 7-ounce tank lasts about 45 seconds.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- COSLUS product page for the C20 Dual Stream cordless water flosser Source for COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set)
- COSLUS C20 Oral Irrigator User Manual attached to the listing (PDF) Source for COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set)
- Waterpik product page for the White Cordless Advanced water flosser WP-580 Source for Waterpik Cordless Advanced Water Flosser WP-580 (White)
- Waterpik Water Flosser Model WP-580 Series manual attached to the listing (PDF) Source for Waterpik Cordless Advanced Water Flosser WP-580 (White)
Primary sources checked .