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VINTAR US to Japan Plug Adapter, 2 Pack Foldable Japan Outlet Adapter | Type A, 5 in 1 with 2 AC 3 USB, Dual USB C Fast Charge, Compact Size for Travel, 2 Prong to 3 Prong Outlet for USA Japan
VINTAR

VINTAR US to Japan Plug Adapter

Bottom line: The VINTAR US to Japan Plug Adapter: Two USB-C ports at 5V/3.4A shared, 17W max, plus one USB-A and two AC outlets; main trade-off: not a voltage converter; your device must already handle 100V-250V input.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Two USB-C ports at 5V/3.4A shared, 17W max, plus one USB-A and two AC outlets
  • ✓ Folds 90 degrees to protect prongs; 2.9 x 1.9 x 1.7 in fits any carry-on pocket
  • ✓ Converts 2-prong US plugs to 3-prong Type A outlets in Japan, Canada, Mexico, China
  • ✓ No surge protection or cords, so it clears cruise ship electrical rules
  • ✓ CE and FCC certified with flame-retardant shell and 12-month VINTAR warranty

Cons

  • ✗ Not a voltage converter; your device must already handle 100V-250V input
  • ✗ USB-C tops out at 5V only, so no Quick Charge 3.0 or 9V-20V PD laptop charging
  • ✗ Dual-voltage-only rule rules out most US hair dryers, straighteners and razors
  • ✗ 17W split across three ports means slow charging when everything is plugged in

SpecPicks Verdict

SpecPicks scored VINTAR US to Japan Plug Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. VINTAR's accessories lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Japan Power Adapter: Type A plug adapter can work in America for 2 prong to 3 prong outlet adapter. It is also compatible in oversea such as Japan, Philippines, Canada, Mexico, China, Thailand, Anguilla, Colombia, Acosta Erica, Cuba, Guatemala, Guyana, Haiti, Jamaica, Lebanon, Liberia, Panama, Peru, Etc
  • Fast Charging Dual USB C Ports: The upgraded Type A charger equipped with 2 USB C and 1 USB A ports to meet more charging needs. The 5V3.4A USB C ports can charge up to 17W max, which is 50% faster than the other adapters. Ideal for charging iPhones, laptops, tablets and more. ( Please note The UCB C port is not Quick Charger 3.0, doesn't support any other devices which need 9V to 22V charging voltage)
  • Foldable and Compact Design: This US to Japan plug adapter is mini size: 2.9x1.9x1.7 in. Can be folded 90 degrees for better prong protection and easier portability to save space in your suitcase. It is suitable for any places such as hotels, offices, homes. No surge protection, No cords, making this Japan charger adapter fully cruise ship approved
  • Important Notes: This is NOT A VOLTAGE CONVERTER. This Japan outlet adapter is only compatible for 100V to 250V wide voltage device, If you want to use your hair dryer, straightener, electric toothbrush or razor, they must support 100V to 250V Dual Voltage, otherwise you may need a power voltage converter
  • Quality Assurance: Certified by CE and FCC, High quality shell material can maintain good heat dissipation and flame retardancy. Each 2 to 3 prong power adaptor is tested before shipment and has a 12 month warranty and friendly customer service. Any problem with it, please contact us

Full Specifications

BrandVINTAR
Colorwhite+gray
Plug TypeType A
Dimensions2.9x1.9x1.7 in
Unit Count2 Count
ConnectivityUSB-C
Model NumberUSC1-3A-2CU
Input Voltage250 volts
Built-In MediaCharger
Output Voltage5 volts
Item Dimensions2.95 x 1.97 x 1.69 inches
Mfr Part NumberUSC1-3A-2CU
Number of Items2
Number of Packs2
Warranty Description1 year warranty
Item dimensions L x W x H2.95 x 1.97 x 1.69 inches
Full listing titleVINTAR US to Japan Plug Adapter, 2 Pack Foldable Japan Outlet Adapter | Type A, 5 in 1 with 2 AC 3 USB, Dual USB C Fast Charge, Compact Size for Travel, 2 Prong to 3 Prong Outlet for USA Japan

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VINTAR US to Japan Plug Adapter, 2 Pack Foldable Japan Outlet Adapter | Type A, 5 in 1 with 2 AC 3 USB, Dual USB C Fast Charge, Compact Size for Travel, 2 Prong to 3 Prong Outlet for USA Japan is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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