Japan Voltage Converter
FailShoppers spend an estimated $43K a year here, so Japan Voltage Converter is a Fail.
- Flapen Score
- 41 / 100Ranks 4,876 of 8,347 Electronics niches · −2 vs the category median of 4341
- Market size
- $43K/yr34K searches / yr
- 90-day growth
- -28.5%search demand this quarter
- Competition
- 53%top-5 click share · 15 brands · 26 sellers
Flapen Score
Japan Voltage Converter against its category
The dotted line is the Electronics average. Past it, Japan Voltage Converter is stronger. Inside it, weaker.
Market
The Japan Voltage Converter market on Amazon at a glance
Shoppers on Amazon United States searched for Japan Voltage Converter 34K times last year and spent an estimated $43K. The top 5 brands take 69% of clicks. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 3.5% of those searches ended in a purchase.
Shoppers searched for this 34K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.5% of those searches ended in a purchase. Searches in the last 90 days moved -28.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $43K a year.
- Searches, last 12 months
- 34K
- Growth, 90 days vs prior 90
- -28.5%
- Conversion, latest week
- 3.5%
- Market size, estimated
- $43Ka year
- Peak month
- October1.8× the quietest month
- Top search term
- japan voltage converter14K searches a year
02 · Price
A sale here is worth $35.58.
Listings sell for $35.58 on average, from $9.60 to $89.90. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $35.58 that is $0 to $4K a year per listing.
- Average price
- $35.58inside the $15 to $100 sweet spot
- Price range
- $9.60–$89.90
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$4K
- Returns
- 4.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 9.9% of listings are out of stock. The average listing ranks #120 within Power Accessories. It carries 2,191 reviews at 4.43 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 9.9%
- Average rank
- #120in Power Accessories
- Average rating
- 4.43 starsAmazon United States average 4.42 stars
- Average reviews
- 2,191per listing
- Listings tracked
- 24
04 · Newcomers
1 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 48 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 48 months
Products
Top Japan Voltage Converter products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
TESSAN 2 Prong to 3 Prong Outlet Adapter 2 Pack US to Japan Plug Adapter with 4 Outlets 3 USB (1 USB C PD 20W) Outlet Adaptor US to Japan China Mexico Philippines Canada Peru Thailand Vietnam
- Price
- $26.84
- Rating
- 4.5/5
- Reviews
- 101
- Age
- 1y ago

120V to 100V Voltage Converter 500watts Step Down toroidal Voltage Converter for Japan appliances Used in USCE CQC Certified
- Price
- $68.01
- Rating
- 4.6/5
- Reviews
- 236
- Age
- 7y ago

2 Pack US to Japan Plug Adapter VINTAR Foldable Japan Travel Adapter with 2 Outlets and 3 USB Ports(2 USB C) 2 Prong to 3 Prong Outlet Adapter for USA to Japan China Canada Philippine Type A
- Price
- $26.11
- Rating
- 4.7/5
- Reviews
- 168
- Age
- 2y ago

HANYCONY US to Japan Plug Adapter Japan Power Travel Adpter with 2 Outlets 3 USB Ports(2 USB C) Type A Plug Adapter for Amercian USA to Japanese China Canada Mexico Philippines Peru
- Price
- $9.60
- Rating
- 4.6/5
- Reviews
- 352
- Age
- 2y ago

2 Pack US to Japan Travel Plug Adapter HANYCONY Japan Power Adpter with 4 Outlets 4 USB Ports(2 USB C) Type A Plug Adapter for Amercian USA to Japanese China Canada Mexico Philippines Peru
- Price
- $14.80
- Rating
- 4.7/5
- Reviews
- 1,066
- Age
- 2y ago
Trending
estimated 90-day click momentum
SARQW Travel Converter Adapter Voltage Converter that Steps Down 220 Volts to 110 Volts for use in Over 200 Countries Including The U.S. U.K. Europe and Australia
- Price
- $29.45
- Rating
- 2.8/5
- Reviews
- 35
- Age
- 2mo ago

1500W US 120V to 100V JP Japan Voltage Converter Step Down Transformer
- Price
- $87.47
- Rating
- 4.3/5
- Reviews
- 6
- Age
- 10mo ago

BESTEK 250W Power Converter 3-Outlet and 4-Port USB Travel Voltage Transformer 220V to 110V with Type G/D/M/AU/US Travel Plug Adapters
- Price
- $33.02
- Rating
- 4.4/5
- Reviews
- 4,950
- Age
- 11y ago

LENCENT US to Japan Plug Adapter 2 Prong to 3 Prong Outlet Adapter with 4 Outlets 4 USB Ports(2 USB C) Type A Travel Converter for US to Japan Canada Mexico China Philippines Peru
- Price
- $13.95
- Rating
- 4.6/5
- Reviews
- 278
- Age
- 2y ago

Ceptics 35W Universal Travel Adapter Kit 2 USA sockets USB-A USBC 1x PD 35W USB-C and USBC Cable Surge Protected Plugs for EU UK China AU Japan - for Laptop Phone Camera-ETL Tested
- Price
- $33.08
- Rating
- 4.5/5
- Reviews
- 6,194
- Age
- 9y ago
Newest
by launch date
SARQW Travel Converter Adapter Voltage Converter that Steps Down 220 Volts to 110 Volts for use in Over 200 Countries Including The U.S. U.K. Europe and Australia
- Price
- $29.45
- Rating
- 2.8/5
- Reviews
- 35
- Age
- 2mo ago

1500W US 120V to 100V JP Japan Voltage Converter Step Down Transformer
- Price
- $87.47
- Rating
- 4.3/5
- Reviews
- 6
- Age
- 10mo ago

TESSAN 2 Prong to 3 Prong Outlet Adapter 2 Pack US to Japan Plug Adapter with 4 Outlets 3 USB (1 USB C PD 20W) Outlet Adaptor US to Japan China Mexico Philippines Canada Peru Thailand Vietnam
- Price
- $26.84
- Rating
- 4.5/5
- Reviews
- 101
- Age
- 1y ago

2 Pack US to Japan Plug Adapter VINTAR Foldable Japan Power Adapter with 4 Outlets and 3 USB Ports(2 USB C) 2 Prong to 3 Prong Outlet Adapter for USA to Japan China Canada Philippine Type A
- Price
- $24.85
- Rating
- 4.4/5
- Reviews
- 55
- Age
- 1y ago

500W US to Japan Voltage Converter 120V to 100V Step Down Transformer
- Price
- $47.63
- Rating
- 4.7/5
- Reviews
- 91
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 53% of clicks. Leaders hold, but buyers still shop past them.
Brands
15 rising
Sellers
26
Est. top-5 brand share
69%
Top 20: 100%
Est. top-5 click share
53%
Top 20: 97%
Open market
25%
- TESSAN19%
- HANYCONY16%
- VINTAR14%
- UMI10%
- Yinleader9%
- Ceptics6%
Demand
Japan Voltage Converter search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.8×
Search terms
Top Japan Voltage Converter search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- japan voltage converter14K/yr
- voltage converter us to japan10K/yr
- us to japan voltage converter7K/yr
- japan to us voltage converter3K/yr
Reviews and returns
What reviews say buyers love and hate about Japan Voltage Converter
We read the reviews and the return reasons for every product selling here.
“Didnt Work as Expected”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Japan Voltage Converter questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









