heavy duty extension cord
Worth a lookShows a sweet-spot price point ($21.06 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Great$21.06avg listing price — sweet spot $15–$100
Returns
Great1.3%return rate — above 6% kills the launch gate
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Price range
Great$8.56–$42.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great38%top-5 click share — an open shelf
Brand share
Great58%top-5 brand share — no brand owns this niche
Market size
Good$459K$459K/yr · 263K searches
Growth
Okay+9.8%90-day search growth — must beat 0% to launch
Review moat
Bad14,268.52avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Competition
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
27 falling
Sellers
43
Top-5 brand share
58%
Open market
36%
- SUPERDANNY20%
- Amazon Basics11%
- One Beat10%
- TESSAN10%
- LeZone7%
- NTONPOWER6%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 48 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
10Ft Extension Cord with Multiple Outlets Flat Plug Surge Protector Power Strip 10 Ft Long Cord 8 Outlets & 4 USB Ports (2 USB C) Desk Charging Station for Home Office College Dorm Room Essentials
SUPERDANNY$12.394.8★6,260 rev
TESSAN Surge Protector Power Strip 25 Ft Flat Plug Extension Cord with 3 USB (1 USB C 20W PD) 8 Outlets 1250W 900J Protection 3 Sided Outlet Extender with Power Switch for Office Dorm Room Grey
TESSAN$36.304.8★13,898 rev
Surge Protector Power Strip 15 Ft Cord Ultra Thin Flat Extension Cord with 8 Outlets 4 USB Ports(2 USB C) Flat Plug Power Strip 15 Ft Long Braided Power Cord for Home Office Dorm Room Essentials
One Beat$18.844.8★6,376 rev
Surge Protector Power Strip 4800J LeZone 10Ft Long Extension Cord Flat Plug 12 Outlets 2 USB C 2 USB Ports Wall Mountable Desk Charging Station Black
LeZone$19.044.7★2,633 rev
Amazon Basics Surge Protector Power Strip 12-Outlet Heavy Duty Metal 600 Joules 6ft Extension Cord Wide Spaced Mountable Black
Amazon Basics$30.654.6★491 rev
Newest
by launch date
15 Ft Extension Cord with Multiple Outlets Long Extension with 6 Outlets 4 USB Ports(2 USB C) Flat Plug Surge Protector Power Strip for Home Office Supplies Dorm Essentials
SUPERDANNY$15.21237 rev
10Ft Extension Cord with Multiple Outlets SUPERDANNY Flat Plug Surge Protector Power Strip 10 Ft Long Cord 6 Outlets & 3 USB Ports Charging Station for Home Office College Dorm Room Essentials
SUPERDANNY$12.658,298 rev
Go Green Power 20ft White Extension Cord 3 Outlets 16/2 Gauge Indoor Use Child-Safe Covers UL Listed for Home & Office Electronics
Power By GoGreen$10.208,328 rev
Anker Power Strip with 2000J Surge Protector Flat Plug Extension Cord with Multiple Outlets 8 AC 2 USB A & 1 USB C Port for 20W 10ft Outlet Extender Dorm Room Essentials Home Office TUV Listed
Anker$31.582,558 rev
10Ft Extension Cord with Multiple Outlets Flat Plug Surge Protector Power Strip 10 Ft Long Cord 8 Outlets & 4 USB Ports (2 USB C) Desk Charging Station for Home Office College Dorm Room Essentials
SUPERDANNY$12.396,260 rev
Trending
90-day click momentumGo Green Power 20ft White Extension Cord 3 Outlets 16/2 Gauge Indoor Use Child-Safe Covers UL Listed for Home & Office Electronics
Power By GoGreen$10.204.7★
Surge Protector Power Strip 4800J LeZone 15Ft Long Extension Cord Flat Plug 12 Outlets 2 USB C 2 USB Ports Wall Mountable Desk Charging Station Black
LeZone$28.484.7★
15 Ft Extension Cord with Multiple Outlets Long Extension with 6 Outlets 4 USB Ports(2 USB C) Flat Plug Surge Protector Power Strip for Home Office Supplies Dorm Essentials
SUPERDANNY$15.214.7★
Amazon Basics Extension Cord 20 Ft 3 Prong Outlet Extender Indoor 13 Amps 125V 16 AWG Black
Amazon Basics$8.564.8★
15Ft Extension Cord with Multiple Outlets Addtam Flat Plug Power Strip Surge Protector with 15 Ft Long Cord 12 Outlet 3 USB Ports (2USB C) Desk Charging Station for Home College Dorm Room Essentials
Addtam$12.514.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +9.8% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.0×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“the build quality is great”
“Love the USB ports”
“Exactly as pictured”
“Fair price”
“Charges fast”
“easy to access”
“compact design”
“I really like the size”
“Feels sturdy”
“Convenient for travel”
What buyers complain about
“Falls apart”
“Cheap in price and quality”
“Slow charging”
“Most plugs wont fit”
“High pitched noises”
“not totally functional”
“It's small”
“Gets hot”
“they are too expensive”
“false advertisement”