j1772 extension cable
Worth a lookShows a thin review moat (279 avg reviews), but high returns (6.6%) keeps it on the watch list.
Review moat
Great279.37avg incumbent reviews — the moat a new listing must climb
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Avg price
Good$129.72avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$380K$380K/yr · 147K searches
Brand share
Good72%top-5 brand share — brands hold most of the demand
Growth
Okay+16.6%90-day search growth — must beat 0% to launch
Price range
Okay$35.47–$266.73cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad2.0%search→purchase rate — share of searches ending in a sale
Returns
Bad6.6%return rate — above 6% kills the launch gate
Competition
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
20 flat
Sellers
30
Top-5 brand share
72%
Open market
24%
- SEGUMA25%
- POWGRN19%
- VEVOR15%
- WenStorm7%
- wissandric6%
- ENERGYGENIE4%
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 38 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
POWGRN NEMA 14-50P to NEMA 14-50R 25FT 50 Amp RV/EV Extension Cord Outdoor with Grip Handle Flexible 4 Prong Heavy Duty RV Power Cord Waterproof 50A 125/250V 6250/12500W STW ETL Listed
POWGRN$74.834.7★860 rev
EV Charger Extension Cable 50Amp 20ft J1772 Extension Cord Compatible with Level 1/Level 2 EV Charger SAE J1772 Car Charger Extension Cable with Carrying Bag IP66 50A EV Charging Extension Cable
SEGUMA$180.424.5★131 rev
VEVOR EV Charger Extension Cable 48Amp 21 ft J1772 Extension Cord Compatible with 120V-240V SAE J1772 Electric Vehicle Chargers Level 1/Level 2 IP66 Heavy Duty Car Charging Cable with Carrying Bag
VEVOR$99.494.9★17 rev
POWGRN 25 Ft 10AWG Black Outdoor Extension Cord Waterproof Heavy Duty 10 Gauge 3 Prong Flexible Cold-Resistant Power Cord Indoor & Outside with Lighted Indicator End 15Amp 1875W SJTW ETL Listed
POWGRN$37.464.8★931 rev
EV Charger Extension Cable 21ft 40Amp J1772 Extension Cable Compatible with 110V-240V SAE J1772 EV Chargers Suitable for J1772 EVs/PHEVs Level 1/ Level 2 IP66 Car Charger Extension Cord with Bag
SEGUMA$138.434.2★250 rev
Newest
by launch date
AIXINE Level 1&2 EV Charger Level 1 EV Charger 16 Amp Portable EV Charger with 25FT Cable 240V NEMA 6-20 Plug&120V NEMA 5-15 Adapter J1772 Charger for BEVs/PHEVs Electric Vehicle Charging Stations
AIXINE$132.9236 rev
50A 17ft EV Charger Extension Cable SAE J1772 Compatible with 240V Level 2 Fast Chargers IP67 Waterproof for J1772 EVs & PHEVs Includes Carry Bag
ENERGYGENIE$130.4312 rev
16Amp 17ft J1772 EV Charger Extension Cable SAE J1772 Cord for Level 1 & Level 2 (120V-240V) Chargers IP67 Heavy-Duty Waterproof for All J1772 EVs/PHEVs
ENERGYGENIE$91.4712 rev
WenStorm 32A 21FT J1772 EV Extension Cable Level 2 EV Charger Extension Cord Heavy-Duty 240V EV Extension Cable for Fast Charging (21FT)
WenStorm$108.24175 rev
VEVOR EV Charger Extension Cable 32Amp 21 ft J1772 Extension Cord Compatible with 120V-240V SAE J1772 Electric Vehicle Chargers Level 1/Level 2 IP66 Heavy Duty Car Charging Cable with Carrying Bag
VEVOR$87.3314 rev
Trending
90-day click momentum50A 17ft EV Charger Extension Cable SAE J1772 Compatible with 240V Level 2 Fast Chargers IP67 Waterproof for J1772 EVs & PHEVs Includes Carry Bag
ENERGYGENIE$130.434.2★
16Amp 17ft J1772 EV Charger Extension Cable SAE J1772 Cord for Level 1 & Level 2 (120V-240V) Chargers IP67 Heavy-Duty Waterproof for All J1772 EVs/PHEVs
ENERGYGENIE$91.474.2★
EVPEIWE EV Charger Extension Cable 48Amp 33ft J1772 Extension Cord Compatible with Level 1/Level 2 EV Charger SAE J1772 EV Charging Extension Cable with Carrying Bag IP55
EVPEIWE$163.484.6★
Elecan Dryer EV Extension Cord 10 FT 4 Prong 30 Amp NEMA 14-30P to 14-30R Extension Cord Cable for Dryer Power Extension and Level 2 EV Charging Tesla Heavy Waterproof 10AWG 125/250V-ETL-Blue-10FT
Elecan$35.474.8★
AIXINE Level 1&2 EV Charger Level 1 EV Charger 16 Amp Portable EV Charger with 25FT Cable 240V NEMA 6-20 Plug&120V NEMA 5-15 Adapter J1772 Charger for BEVs/PHEVs Electric Vehicle Charging Stations
AIXINE$132.924.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +16.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Product”
“Good charger”
“As advertised”
“Great value”
“perform well”
“Easy peasy”
“Heavy duty and heavy weight”
“Good extender”
“the connection is solid”
“the cord is very sturdy”
What buyers complain about
“Caused slow charging”
“Does not last”
“Not good quality”
“Breaks v. quickly”
“It appears that one or more of the pin connections have become unreliable”
“Literally melted the cord into the outlet”
“Known problem – wont release from charging port”
“not the thickest cable”
“It's expensive,”
“Inaccurate photos”