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About the scoresThe scores are calculated mechanically by applying the criteria table at the end of the page to figures published on the manufacturers' official pages and manuals (and on retail or comparison pages where an official figure was not available). We call it the "Spec Score".
T-fal KO5903JPA
Image: Amazon product photo
Spec Score #2Large 1.2 L, boil-only kettle

Best for households of three or more who just want to boil a lot of water fast

4.00★★★★☆Spec Score (out of 5)
See on Amazon¥3,852See on Rakuten¥3,759Price as of 2026-09-04 · affiliate link · Opens the shop's site

Score Breakdown

Capacity5 / 5
Boiling power4 / 5
Temperature / keep-warm1 / 5
Safety features5 / 5
Cord length5 / 5

Specs

Capacity1.2 L (1,200 mL)
Rated power1,250 W
Boiling timeAbout 1 minute for one cup (140 mL), water and room at 23°C
Temperature control / keep-warmNone (marked × in the maker spec table)
SafetyLid that resists spilling if tipped, low-steam design, auto shut-off, boil-dry protection
ConvenienceDust-resistant spout cover, graduated water windows on both sides, fully removable lid
Cord lengthAbout 1.3 m
SizeW24.2 × D16.1 × H22.2 cm (approx.)
WeightAbout 1,140 g with the power base / about 900 g without

🙂 Good points

  • 1.2 L capacity and 1,250 W: on the large, high-power side of the four
  • Has all four: a lid that resists spilling if tipped, low-steam design, boil-dry protection and auto shut-off
  • The lid comes off completely, and there is a graduated window on both sides

🙁 Things to note

  • No temperature control or keep-warm (marked × in the maker spec table)
  • At about 1,140 g with the power base, it is on the heavy side among the four

Sources

T-fal official product page (spec table)
Scores are calculated only from specs published on official and retail pages.

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