---
title: "j1772 extension cable — Niche Verdict: Worth a look (51/100) | Amazon United States - Flapen"
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last_updated: "2026-07-14T04:55:17.365Z"
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  description: "j1772 extension cable shows a thin review moat (279 avg reviews), but high returns (6.6%) keeps it on the watch list."
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  "og:title": "j1772 extension cable — Niche Verdict: Worth a look (51/100) | Amazon United States - Flapen"
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# **j1772 extension cable**

**Worth a look**

Shows a thin review moat (279 avg reviews), but high returns (6.6%) keeps it on the watch list.

Market size 55Growth 46Conversion 25Competition 72Returns 22Price range 28Avg price 65Brand share 55Review moat 86Quality gap 58

**Review moat**

**Great****279.37**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****42%**

top-5 click share — leaders hold, buyers still browse

**Avg price**

**Good****$129.72**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Market size**

**Good****$380K**

$380K/yr · 147K searches

**Brand share**

**Good****72%**

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–$266.73**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Bad****2.0%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Bad****6.6%**

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.

0%3%$11K6%$23K9%$34K12%$46K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 38 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![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](https://m.media-amazon.com/images/I/41aJHcUC9tL.jpg)**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**$74.83**4.7★860 rev](https://www.amazon.com/dp/B0CB277RGB) [2![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](https://m.media-amazon.com/images/I/41ZZG-uA+9L.jpg)**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**$180.42**4.5★131 rev](https://www.amazon.com/dp/B0D6VTM7XJ) [3![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](https://m.media-amazon.com/images/I/41kAqZdstIL.jpg)**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**$99.49**4.9★17 rev](https://www.amazon.com/dp/B0FSR88Y5S) [4![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](https://m.media-amazon.com/images/I/51J2FV-ZIrL.jpg)**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**$37.46**4.8★931 rev](https://www.amazon.com/dp/B0CFPS9JMB) [5![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](https://m.media-amazon.com/images/I/41GZSZ9v5kL.jpg)**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**$138.43**4.2★250 rev](https://www.amazon.com/dp/B0CBLQYSHJ)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/416M0YhPXYL.jpg)**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**$132.92**36 rev7mo ago](https://www.amazon.com/dp/B0G4MCCF6D) [![50A 17ft EV Charger Extension Cable SAE J1772 Compatible with 240V Level 2 Fast Chargers IP67 Waterproof for J1772 EVs & PHEVs Includes Carry Bag](https://m.media-amazon.com/images/I/41FDCgG7XwL.jpg)**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**$130.43**12 rev7mo ago](https://www.amazon.com/dp/B0G3PQK2KJ) [![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](https://m.media-amazon.com/images/I/41H3p7zM8cL.jpg)**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**$91.47**12 rev7mo ago](https://www.amazon.com/dp/B0G3PVQNBW) [![WenStorm 32A 21FT J1772 EV Extension Cable Level 2 EV Charger Extension Cord Heavy-Duty 240V EV Extension Cable for Fast Charging (21FT)](https://m.media-amazon.com/images/I/41D8UKJq2mL.jpg)**WenStorm 32A 21FT J1772 EV Extension Cable Level 2 EV Charger Extension Cord Heavy-Duty 240V EV Extension Cable for Fast Charging (21FT)**WenStorm**$108.24**175 rev8mo ago](https://www.amazon.com/dp/B0FWT1LVPB) [![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](https://m.media-amazon.com/images/I/41kdXWQQcUL.jpg)**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**$87.33**14 rev9mo ago](https://www.amazon.com/dp/B0FTF1HS45)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![50A 17ft EV Charger Extension Cable SAE J1772 Compatible with 240V Level 2 Fast Chargers IP67 Waterproof for J1772 EVs & PHEVs Includes Carry Bag](https://m.media-amazon.com/images/I/41FDCgG7XwL.jpg)**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**$130.43**4.2★**▲ 210%**](https://www.amazon.com/dp/B0G3PQK2KJ) [![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](https://m.media-amazon.com/images/I/41H3p7zM8cL.jpg)**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**$91.47**4.2★**▲ 200%**](https://www.amazon.com/dp/B0G3PVQNBW) [![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](https://m.media-amazon.com/images/I/411odkNTF1L.jpg)**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**$163.48**4.6★**▲ 148%**](https://www.amazon.com/dp/B0DRVT9NRS) [![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](https://m.media-amazon.com/images/I/41u6M-mOwdL.jpg)**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**$35.47**4.8★**▲ 124%**](https://www.amazon.com/dp/B0DDKQ6QR3) [![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](https://m.media-amazon.com/images/I/416M0YhPXYL.jpg)**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**$132.92**4.4★**▲ 103%**](https://www.amazon.com/dp/B0G4MCCF6D)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +16.6% search growth over the last 90 days.

3K2KHoliday '24Prime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**21%

*“Excellent Product”*

**Charging**14%

*“Good charger”*

**Advertised Vs Actual Product**12%

*“As advertised”*

**Value For Money**8%

*“Great value”*

**Efficiency**6%

*“perform well”*

**Ease Of Use**4%

*“Easy peasy”*

**Weight Heavy**4%

*“Heavy duty and heavy weight”*

**Add-Ons/Attachments**3%

*“Good extender”*

**Connectivity-Overall**3%

*“the connection is solid”*

**Strength**3%

*“the cord is very sturdy”*

### **What buyers complain about **

**Charging**20%

*“Caused slow charging”*

**Durability**17%

*“Does not last”*

**Quality-Overall**9%

*“Not good quality”*

**Functionality-Overall**3%

*“Breaks v. quickly”*

**Connectivity-Overall**3%

*“It appears that one or more of the pin connections have become unreliable”*

**Heating**3%

*“Literally melted the cord into the outlet”*

**Socket/Port/Plug**2%

*“Known problem – wont release from charging port”*

**Thickness**2%

*“not the thickest cable”*

**Value For Money**2%

*“It's expensive,”*

**Advertised Vs Actual Product**2%

*“Inaccurate photos”*

### **Top return reasons **

**Compatibility-Overall**26%

**Charging**21%

**Add-Ons/Attachments**10%

**Size-Overall**10%

**Functionality-Overall**5%

**Socket/Port/Plug**4%

**Advertised Vs Actual Product**4%

**Connectivity-Overall**4%

**Value For Money**3%

**Defective Material/Parts**2%