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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".
Spec Score #1Foldable 3-in-1 (Qi2.2 25 W)
Best for charging your phone, earbuds, and smartwatch together
4.85★★★★★Spec Score (out of 5)
See on Amazon¥16,190See on Rakuten¥13,990Price as of 2026-09-04 · affiliate link · Opens the shop's site
The Belkin official page does not list a weight, so the weight alone (about 190 g) comes from Kakaku.com (WIZ036dqBK, black). All other figures are from the official page.
Score Breakdown
Specs
| Standard | Qi2.2 25 W certified |
|---|---|
| Max output | 25 W (Qi2 25 W certified devices) / up to 15 W for other Qi2-certified devices |
| Devices at once | 3 (iPhone, AirPods, Apple Watch). AirPods up to 5 W |
| Heat control | ChillBoost passive cooling (Belkin) |
| Orientation / angle | Adjustable angle (charge and view in landscape or portrait) |
| Included | 1.5 m USB-C to USB-C cable and a 45 W USB-C power adapter |
| Size / weight | about 106 × 60 × 27 mm (official), about 190 g (Kakaku.com) |
| Warranty | 2-year product warranty plus connected-equipment warranty of up to about ¥280,000 (CEW) |
| Form | Foldable (3-in-1) |
🙂 Good points
- Qi2.2 25 W certified, with the highest max output of the four (25 W)
- Charges phone, AirPods and Apple Watch at the same time
- A 45 W USB-C power adapter and a 1.5 m cable are included
🙁 Things to note
- 25 W applies to phones that support Qi2 25 W; other Qi2-certified devices get up to 15 W (per the maker)
- With three devices' worth of features, the listed price is the highest of the four (¥16,190 as of 2026-09-04)
Sources
Belkin official product page ／ Kakaku.com [comparison site] (weight)
Scores are calculated only from specs published on official and retail pages.