Full side-by-side
Panasonic TK-AS45 Mfr claim
·
StarWellness L9 Mfr claim
| Spec | Panasonic TK-AS45 | StarWellness L9 | Winner |
|---|---|---|---|
| Origin | Japan | Singapore | — |
| Distribution | Major retail (Tangs, Best Denki, Courts) | Direct retail | — |
| Category | Entry-level alkaline ionizer | Hot/cold water dispensers | — |
| Plates | 3 | 0 | Panasonic TK-AS45 |
| pH (max alkaline) | 9.5 | 8.3 | Panasonic TK-AS45 |
| ORP | -420 mV | -150 mV | Panasonic TK-AS45 |
| Dissolved H₂ | 0.32 ppm | 0.1 ppm | Panasonic TK-AS45 |
| Flow rate | 2.0 L/min | 2.0 L/min | Tie |
| Warranty | 1 yr | 2 yr | StarWellness L9 |
| Filter cost (each) | S$ 160 | S$ 180 | Panasonic TK-AS45 |
| Sticker price | S$ 899 | S$ 1,990 | Panasonic TK-AS45 |
| 5-year total | S$ 2,499 | S$ 3,790 | Panasonic 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$ 1,291 over 5 years.
Lab performance: Panasonic TK-AS45 produces 0.32 ppm dissolved H₂; StarWellness L9 produces 0.1 ppm. The Panasonic TK-AS45 leads on hydrogen output.
Warranty: Panasonic TK-AS45 carries a 1-year warranty; StarWellness L9 carries 2. StarWellness L9 wins on coverage.
Where to buy + showroom info
Panasonic TK-AS45
Major retail (Tangs, Best Denki, Courts)
Lineup: TK-AS45 (3-plate)
Visit Panasonic →StarWellness L9
Direct retail
Phone: +65 9835 0639
Lineup: L9 Wall Mount (new launch) · Aquatal Hot & Cold
Visit StarWellness →No affiliate links · Waterionizer.sg earns zero from either purchase.