3 plug
Worth a lookShows searches that convert (10.2% search→purchase), but a small market ($36K/yr) keeps it on the watch list.
Conversion
Great10.2%search→purchase rate — share of searches ending in a sale
Returns
Great1.6%return rate — above 5% kills the launch gate
Competition
Good40%top-5 click share — leaders hold, buyers still browse
Brand share
Great60%top-5 brand share — no brand owns this niche
Growth
Okay+17.1%90-day search growth — must beat 0% to launch
Price range
Okay$4.63–$21.04cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$9.52avg listing price — sweet spot $15–$100
Review moat
Bad8,091.32avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$36K$36K/yr · 37K searches
According to Flapen's Amazon United States niche tracking, 3 plug is a $36K/yr Amazon United States market (37K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Dec. Verdict: Worth a look — 50/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
3 plug market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $29K–$38K
- units × avg price
- Conversion rate
- 10.2%
- Avg BSR
- #50
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 87%
- Out of stock
- 1.6%
- Avg brand age
- 47 months
- Avg seller age
- 184 days
Competition & brand share
The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.Brands
25 falling
Sellers
52
Top-5 brand share
60%
Top 20: 97%
Top-5 click share
40%
Top 20: 87%
Open market
34%
- TROND22%
- Philips11%
- Cable Matters9%
- ElectraTrac9%
- Miady8%
- GE6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +17.1% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 2.2×
Top 3 plug search terms
- 3 prong outlet extender11K/yr
- single outlet extender10K/yr
- 3 prong extender6K/yr
- 3 prong plug extender5K/yr
- plug extender 3 prong5K/yr
Top 3 plug 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
TROND Multi Plug Outlet Extender 2 Pack - Electrical Wall Splitter 3 Way Angled Wall Outlet Adapter Cruise Essentials ETL Listed Small Multiple Plug Expander for Bathroom Kitchen Office White
TROND$14.444.7★5,613 rev

Lightning Bug Plugs 15 Amp Male to 20 Amp Female Plug Outlet 3 Prong Household T-Blade Adapter UL-Listed 120V
ElectraTrac$6.904.7★644 rev
![[ETL Listed] Miady Short Power Extension Cord Outlet Saver 16AWG/13A 3 Prong (4 Pack Black 8 Inch)](https://m.media-amazon.com/images/I/419WnqnjrXL.jpg)
[ETL Listed] Miady Short Power Extension Cord Outlet Saver 16AWG/13A 3 Prong (4 Pack Black 8 Inch)
Miady$10.084.8★5,601 rev

PHILIPS 3-Outlet Extender 2 Pack Grounded Wall Tap 3-Prong Adapter Multiple Plug Power Splitter Cruise Essentials Use for Home Office School Dorm UL Listed White SPS1630W/37
Philips$7.954.7★5,118 rev

TROND Multi Plug Wall Outlet Extender 2 Pack - ETL Listed Electrical 3 Way Plug Extension Outlet Splitter Adapter Small Multiple Wall Expander for Home Office Dorm Cruise Travel Essentials White
TROND$14.384.8★1,184 rev
Newest
by launch date
TROND Outlet Extender Surge Protector - Multi Plug Wall Outlet with 4 Grounded Sockets 3 Way Angled Plug Adapter 900J Electrical Wall Splitter for Bathroom Kitchen Office White
TROND$9.97937 rev

Multi Plug Outlet Extender - UL Listed -3 Outlet Wall Adapter -3 Prong Outlet Splitter Cube Tap Plug Extender 3 Way Wall Outlet Adapter Multiple Plug Expander White 2 Pack
PaeorRorL$7.27365 rev

TROND Multi Plug Wall Outlet Extender 2 Pack - ETL Listed Electrical 3 Way Plug Extension Outlet Splitter Adapter Small Multiple Wall Expander for Home Office Dorm Cruise Travel Essentials White
TROND$14.381,184 rev

3 Prong Power Strip 3-Outlet Extender Wall Charger Space Saving 3 in 1 Multi Plug Outlet Adapter Splitter Travel Essentials ETL Listed 125V 15A 1875W for Home Office-Firm Mini Light Wall Tap with Lip
Elecan$5.58454 rev

Power Extension Cord 0.5FT/6Inch(2 Pack) Short 3 Prong Electric Extension Cable Outlet Saver Single Outlet Heavy Duty Waterproof Flexible 16 AWG 13A 125V Extender Wires with 15 Cable Ties
ecjtu$7.87771 rev
Trending
90-day click momentum
TROND Outlet Extender Surge Protector - Multi Plug Wall Outlet with 4 Grounded Sockets 3 Way Angled Plug Adapter 900J Electrical Wall Splitter for Bathroom Kitchen Office White
TROND$9.974.7★

GE 3-Outlet Extender Wall Tap Grounded Adapter Plug Indoor Rated 3-Prong Perfect for Travel UL Listed White 52203
GE$5.854.7★

PHILIPS 3-Outlet Extender 2 Pack Grounded Wall Tap 3-Prong Adapter Multiple Plug Power Splitter Cruise Essentials Use for Home Office School Dorm UL Listed White SPS1630W/37
Philips$7.954.7★
![[ETL Listed] Cable Matters 3-Pack 3 Outlet Wall Adapter Plug Adapter BLK](https://m.media-amazon.com/images/I/41moEkULXOL.jpg)
[ETL Listed] Cable Matters 3-Pack 3 Outlet Wall Adapter Plug Adapter BLK
Cable Matters$9.844.6★

TROND Multi Plug Wall Outlet Extender 2 Pack - ETL Listed Electrical 3 Way Plug Extension Outlet Splitter Adapter Small Multiple Wall Expander for Home Office Dorm Cruise Travel Essentials White
TROND$14.384.8★
What buyers say about 3 plug
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality feels solid”
“Love all the USB ports”
“Exactly what we needed”
“Fast charge”
“Comes in handy”
“Money well spent”
“They fit snugly”
“Installed quickly and easy”
“Compact design”
“Good connection”
What buyers complain about
“The usb ports don't work”
“Poor durability”
“Stopped Charging”
“too small”
“Not working properly”
“Disgraceful garbage”
“Hard to Use”
“theyre pretty bulky”
“CAUGHT ON FIRE”
“Flimsy”
Top return reasons
Common questions
- Is 3 plug profitable to sell on Amazon United States?
- The niche generates $36K/yr across 38 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +17.1%. Flapen's verdict: Worth a look (50/100).
- How competitive is the 3 plug niche?
- 25 brands and 52 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 60% of demand.
- What do buyers complain about in 3 plug?
- Top complaints mined from reviews: Socket/Port/Plug, Durability, Charging. The return rate is 1.6%.
- When does demand for 3 plug peak?
- Demand peaks in Dec; the busiest month runs 2.2× the quietest.
- What does it cost to enter the 3 plug niche?
- Listings span $4.63–$21.04; the average listing price is $9.52 (sweet spot $15–$100). The average incumbent carries 8,091 reviews — the moat a new listing must climb.