2 prong outlet extender
Skip itSoft demand (-16.0% this quarter) — this niche doesn't clear our bar today.
Returns
Great1.6%return rate — above 5% kills the launch gate
Conversion
Great8.2%search→purchase rate — share of searches ending in a sale
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Avg price
Good$13.27avg listing price — sweet spot $15–$100
Brand share
Good71%top-5 brand share — brands hold most of the demand
Price range
Okay$2.96–$25.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Bad4,790.34avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$73K$73K/yr · 67K searches
Growth
Bad-16.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 2 prong outlet extender is a $73K/yr Amazon United States market (67K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 46/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
2 prong outlet extender market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $80K–$106K
- units × avg price
- Conversion rate
- 8.2%
- Avg BSR
- #182
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 84%
- Out of stock
- 2.2%
- Avg brand age
- 38 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
51
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
43%
Top 20: 89%
Open market
24%
- LENCENT25%
- Leviton14%
- Wrxdmc13%
- VINTAR13%
- TROND6%
- JcBlaon6%
Demand
Weekly Amazon search volume, last 41 weeks — -16.0% search growth over the last 90 days.Top 2 prong outlet extender search terms
- 2 prong outlet extender26K/yr
- outlet extender 2 prong14K/yr
- 2 prong outlet12K/yr
- two prong outlet extender12K/yr
- outlet extender two prong3K/yr
Top 2 prong outlet extender products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
LENCENT 2 Prong to 3 Prong Outlet Adapter Wall Plug Extender Multiple Outlet Wall Plug with 3 AC Outlets Non Grounded Outlets Expander for Japan Travel Kitchen Office Bathroom Older House 2 Pack
LENCENT$10.044.7★3,314 rev
VINTAR 2 Prong to 3 Prong Outlet Adapter 3 Sided 6 Outlet Widely Spaced Extender Polarized Plug 2 Prong Power Strip 900J Wall Charger Surge Protector Mountable Wall Tap for Non Grounded Outlets
VINTAR$13.594.5★565 rev
2 Prong Power Strip WRXDMC 2 Prong to 3 Prong Outlet Adapter 1400J Two Prong Surge Protector 5ft Extension Cord 8 AC Outlets with 2 USB C Port and 2 USB A Port Wall Mountable Ideal for Old House
Wrxdmc$16.494.7★912 rev
Leviton 223-W 15 Amp 125V Duplex Receptacle Residential Grade Non-Grounded White 10-Packwhite
Leviton$25.544.6★881 rev
JcBlaon Outlet Extender Surge Protector - 6 Outlet Splitter with 4 USB Ports (2 USB C) Multiple Plug Expander Wall Charger 3 Sided Multi Plug Wall Adapter Power Strip for Home Office Kitchen Travel
JcBlaon$9.564.7★5,504 rev
Newest
by launch date
Unidapt 2 Prong to 3 Prong Outlet Adapter 3 AC Outlet Wall Plug Extender Polarized Plug for Non-Grounded Outlet in Old House 1875W/15A Cruise Essentials 2 Pack
Unidapt$9.8143 rev
VINTAR 2 to 3 Prong Outlet Adapter 2 Prong Power Strip with 5 AC Outlets & 4 USB (2 USB C) Polarized Plug 3-Sided Wide Spaced Surge Protector Wall Mount for Non-Grounded Plug Old Homes & Hotels
VINTAR$20.1859 rev
HONIZER 2 Prong to 3 Prong Outlet Adapter 3 Sided 6 Outlet PD 20W USB C
HONIZER$19.1032 rev
DEPOW 2 Prong to 3 Prong Adapter Power Strip - 6 Outlets & 4 USB Ports (2 USB-C) 1050J Two Prong Surge Protector 5FT Extension Cord Wall Mount - Ideal for Old Houses Non-Grounded Outlets
DEPOW$14.061,505 rev
LENCENT 2 to 3 Prong Outlet Adapter 2 Prong Outlet Extender with 6 AC Sockets 3 USB Ports(1 USB C) 3-Sided Wall Plug Splitter 1875W Max Compact Adapter for Non-Grounded Outlets in Old Houses
LENCENT$18.17155 rev
Trending
90-day click momentumUnidapt 2 Prong to 3 Prong Outlet Adapter 3 AC Outlet Wall Plug Extender Polarized Plug for Non-Grounded Outlet in Old House 1875W/15A Cruise Essentials 2 Pack
Unidapt$9.814.6★
Wall Charger Surge Protector QINLIANF 5 Outlet Extender with 4 USB Charging Ports 3-Sided 1680J Power Strip Multi Plug Adapter Spaced for Home Travel Office
QINLIANF$9.834.7★
DEPOW 2 Prong to 3 Prong Adapter Power Strip - 6 Outlets & 4 USB Ports (2 USB-C) 1050J Two Prong Surge Protector 5FT Extension Cord Wall Mount - Ideal for Old Houses Non-Grounded Outlets
DEPOW$14.064.6★
VINTAR 2 to 3 Prong Outlet Adapter 2 Prong Power Strip with 5 AC Outlets & 4 USB (2 USB C) Polarized Plug 3-Sided Wide Spaced Surge Protector Wall Mount for Non-Grounded Plug Old Homes & Hotels
VINTAR$20.184.6★
HONIZER 2 Prong to 3 Prong Outlet Adapter 3 Sided 6 Outlet PD 20W USB C
HONIZER$19.104.8★
What buyers say about 2 prong outlet extender
What buyers praise and complain about, mined from review topics.What buyers love
“Love all the USB ports”
“The build quality feels solid”
“Perfect charging”
“just what I needed”
“Very handy”
“Excellent Value”
“Easy setup”
“Secure fit”
“Compact design”
“Great for travel”
What buyers complain about
“USB ports stopped working”
“it takes twice as long to charge anything”
“Broke right apart”
“Disgraceful garbage”
“A bit loose”
“Stopped working”
“Not compatible”
“one USB connections went bad at first”
“Not what I expected”
“Bad design”
Top return reasons
Common questions
- Is 2 prong outlet extender profitable to sell on Amazon United States?
- The niche generates $73K/yr across 32 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -16.0%. Flapen's verdict: Skip it (46/100).
- How competitive is the 2 prong outlet extender niche?
- 17 brands and 51 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in 2 prong outlet extender?
- Top complaints mined from reviews: Socket/Port/Plug, Charging, Durability. The return rate is 1.6%.
- What does it cost to enter the 2 prong outlet extender niche?
- Listings span $2.96–$25.54; the average listing price is $13.27 (sweet spot $15–$100). The average incumbent carries 4,790 reviews — the moat a new listing must climb.