Full side-by-side

Panasonic TK-AS45 Mfr claim · Wells The One Mfr claim
SpecPanasonic TK-AS45Wells The OneWinner
OriginJapanKorea
DistributionMajor retail (Tangs, Best Denki, Courts)Direct retail · 2 SG showrooms
CategoryEntry-level alkaline ionizerFiltered hot/cold dispenser (NOT a true ionizer)
Plates30Panasonic TK-AS45
pH (max alkaline)9.58.5Panasonic TK-AS45
ORP-420 mV-180 mVPanasonic TK-AS45
Dissolved H₂0.32 ppm0.05 ppmPanasonic TK-AS45
Flow rate2.0 L/min1.8 L/minPanasonic TK-AS45
Warranty1 yr5 yrWells The One
Filter cost (each)S$ 160Wells The One
Sticker priceS$ 899— / S$ 49/moPanasonic TK-AS45
5-year totalS$ 2,499S$ 2,940Panasonic TK-AS45
Our rating
How we sourced these numbers: All specs are taken directly from each manufacturer's published product page (links at the bottom). We have NOT independently lab-tested these brands — only Prime Water (our own sister brand) is verifiable through primewater.com.sg. Independent lab testing is rolling out through 2026.

Verdict

Cost over 5 years: Panasonic TK-AS45 saves S$ 441 over 5 years.

Lab performance: Panasonic TK-AS45 produces 0.32 ppm dissolved H₂; Wells The One produces 0.05 ppm. The Panasonic TK-AS45 leads on hydrogen output.

Warranty: Panasonic TK-AS45 carries a 1-year warranty; Wells The One carries 5. Wells The One wins on coverage.

Where to buy + showroom info

Panasonic TK-AS45

Major retail (Tangs, Best Denki, Courts)

Lineup: TK-AS45 (3-plate)

Visit Panasonic →

Wells The One

Direct retail · 2 SG showrooms

Showroom: Paya Lebar (140 Paya Lebar Rd #01-16) + Jurong East (8 Boon Lay Way #01-20)

Phone: +65 8828 8383 (sales) · +65 8797 8383 (service)

Lineup: The One · Home Café · Mini · Slim One · Ice One · TT Cooling+

Visit Wells Singapore →

No affiliate links · Waterionizer.sg earns zero from either purchase.