---
title: "relay box — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/relay-box"
last_updated: "2026-07-13T22:38:41.743Z"
locale: en
meta:
  description: "a small market ($78K/yr) — relay box doesn't clear our bar today."
  "og:description": "a small market ($78K/yr) — relay box doesn't clear our bar today."
  "og:title": "relay box — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
---

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# **relay box**

**Skip it**

A small market ($78K/yr) — this niche doesn't clear our bar today.

Market size 19Growth 22Conversion 24Competition 46Returns 52Price range 95Avg price 95Brand share 37Review moat 78Quality gap 70

**Avg price**

**Incredible****$30.53**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$17.70–$62.88**

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

**Review moat**

**Great****449.56**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Returns**

**Good****2.9%**

return rate — above 6% kills the launch gate

**Competition**

**Okay****58%**

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

**Brand share**

**Okay****83%**

top-5 brand share — brands hold most of the demand

**Conversion**

**Bad****1.9%**

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

**Growth**

**Bad****-5.6%**

90-day search growth — must beat 0% to launch

**Market size**

**Bad****$78K**

$78K/yr · 134K searches

## **Competition**

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**9 **▼falling

**Sellers**

**14**

**Top-5 brand share**

**83%**

**Open market**

**10%**

- DAIERTEK39% - ONLINE LED STORE14% - Weasch11% - RVBOATPAT11% - FASTSTORM7% - Nilight7% - Open — no brand owns it (3 brands, 10%)

## **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%10%$8K20%$16K30%$23K40%$31K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![DaierTek 12V Relay Box 6 Way12 AWG Pre-Wired Waterproof Relay Box 6 Slot ATC/ATO Fuse Relay Block Universal Relay Panel for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/41OHnNbDVFL.jpg)**DaierTek 12V Relay Box 6 Way12 AWG Pre-Wired Waterproof Relay Box 6 Slot ATC/ATO Fuse Relay Block Universal Relay Panel for Automotive Car Marine Boat**DAIERTEK**$25.82**4.5★505 rev](https://www.amazon.com/dp/B0CP56SXNT) [2![True Mods Waterproof 12V Fuse Relay Box Block Kit w/Pre-Wired Harness [12 & 16AWG] 6 Gang Bosch Style 5Pin 30A/40A Universal Relay & Fuse Panel for DC Auto Automotive Vehicle Car Marine Boat Jeep UTV](https://m.media-amazon.com/images/I/51nb8T58EdL.jpg)**True Mods Waterproof 12V Fuse Relay Box Block Kit w/Pre-Wired Harness \[12 & 16AWG\] 6 Gang Bosch Style 5Pin 30A/40A Universal Relay & Fuse Panel for DC Auto Automotive Vehicle Car Marine Boat Jeep UTV**ONLINE LED STORE**$48.50**4.5★254 rev](https://www.amazon.com/dp/B0CDZCKBWM) [3![Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit with Two 80A 4-Pin Relays](https://m.media-amazon.com/images/I/41RSFA0vLWL.jpg)**Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit with Two 80A 4-Pin Relays**Weasch**$17.70**4.4★185 rev](https://www.amazon.com/dp/B0DDWYT8JL) [4![FASTSTORM Fuse Relay Box Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/51OWl9K1vaL.jpg)**FASTSTORM Fuse Relay Box Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat**FASTSTORM**$25.56**4.4★36 rev](https://www.amazon.com/dp/B0FT7MJPZ3) [5![RVBOATPAT 12V Fuse Relay Box 6 Way Relay Fuse Box Pre-Wired Waterproof Relays Box with 6 Relays and 12 ATC/ATO Fuses Relay Panel for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/41kVN5LTrgL.jpg)**RVBOATPAT 12V Fuse Relay Box 6 Way Relay Fuse Box Pre-Wired Waterproof Relays Box with 6 Relays and 12 ATC/ATO Fuses Relay Panel for Automotive Car Marine Boat**RVBOATPAT**$26.50**4.6★325 rev](https://www.amazon.com/dp/B0DBG1BVL8)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![DaierTek 12V 3 Way Waterproof Relay Box Pre-Wired Fuse and Relay Box 3x4 Pin 40A Relay and 3 ATC/ATO Blade Fuse for Automotive Cars Truck Boat Upgrade](https://m.media-amazon.com/images/I/419rbV+CQ8L.jpg)**DaierTek 12V 3 Way Waterproof Relay Box Pre-Wired Fuse and Relay Box 3x4 Pin 40A Relay and 3 ATC/ATO Blade Fuse for Automotive Cars Truck Boat Upgrade**DAIERTEK**$29.11**15 rev9mo ago](https://www.amazon.com/dp/B0FV7V4QGX) [![DaierTek 12V Fuse Box and Relay Block 8 Relay 12 ATC/ATO Blade Fuse Pre-Wired Panel Dustproof Pre-Wired Fuse Relay Box for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/41Rd+W089kL.jpg)**DaierTek 12V Fuse Box and Relay Block 8 Relay 12 ATC/ATO Blade Fuse Pre-Wired Panel Dustproof Pre-Wired Fuse Relay Box for Automotive Car Marine Boat**DAIERTEK**$55.99**132 rev9mo ago](https://www.amazon.com/dp/B0FV7H8F6Y) [![FASTSTORM Fuse Relay Box Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/51OWl9K1vaL.jpg)**FASTSTORM Fuse Relay Box Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat**FASTSTORM**$25.56**36 rev9mo ago](https://www.amazon.com/dp/B0FT7MJPZ3) [![Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit with 4 x 40A 4-Pin Relays](https://m.media-amazon.com/images/I/417gMpJU6FL.jpg)**Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit with 4 x 40A 4-Pin Relays**Weasch**$25.89**37 rev1y ago](https://www.amazon.com/dp/B0F4KCS43B) [![DaierTek Relay Box 12V 10 Way Relay Block and 10 Way ATC/ATO Blade Fuse Panel Pre-Wired Dustproof Fuse Relay Box for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/41gSqfOxLvL.jpg)**DaierTek Relay Box 12V 10 Way Relay Block and 10 Way ATC/ATO Blade Fuse Panel Pre-Wired Dustproof Fuse Relay Box for Automotive Car Marine Boat**DAIERTEK**$62.88**132 rev1y ago](https://www.amazon.com/dp/B0DR5M57RH)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![DaierTek 12V Fuse Box and Relay Block 8 Relay 12 ATC/ATO Blade Fuse Pre-Wired Panel Dustproof Pre-Wired Fuse Relay Box for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/41Rd+W089kL.jpg)**DaierTek 12V Fuse Box and Relay Block 8 Relay 12 ATC/ATO Blade Fuse Pre-Wired Panel Dustproof Pre-Wired Fuse Relay Box for Automotive Car Marine Boat**DAIERTEK**$55.99**4.1★**▲ 130%**](https://www.amazon.com/dp/B0FV7H8F6Y) [![FASTSTORM Fuse Relay Box Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/51OWl9K1vaL.jpg)**FASTSTORM Fuse Relay Box Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat**FASTSTORM**$25.56**4.4★**▲ 129%**](https://www.amazon.com/dp/B0FT7MJPZ3) [![DaierTek 12V 3 Way Waterproof Relay Box Pre-Wired Fuse and Relay Box 3x4 Pin 40A Relay and 3 ATC/ATO Blade Fuse for Automotive Cars Truck Boat Upgrade](https://m.media-amazon.com/images/I/419rbV+CQ8L.jpg)**DaierTek 12V 3 Way Waterproof Relay Box Pre-Wired Fuse and Relay Box 3x4 Pin 40A Relay and 3 ATC/ATO Blade Fuse for Automotive Cars Truck Boat Upgrade**DAIERTEK**$29.11**3.8★**▲ 77%**](https://www.amazon.com/dp/B0FV7V4QGX) [![DaierTek 12V Relay Box 6 Slots Fuse Relay Block 6 Slots ATC/ATO Fuse and Relay Block with Relay Universal Fuse and Relay Box Kit for Truck Marine Boat](https://m.media-amazon.com/images/I/41It93pmQOL.jpg)**DaierTek 12V Relay Box 6 Slots Fuse Relay Block 6 Slots ATC/ATO Fuse and Relay Block with Relay Universal Fuse and Relay Box Kit for Truck Marine Boat**DAIERTEK**$17.98**4.3★**▲ 60%**](https://www.amazon.com/dp/B09ZL19PQ8) [![Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit with Two 80A 4-Pin Relays](https://m.media-amazon.com/images/I/41RSFA0vLWL.jpg)**Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit with Two 80A 4-Pin Relays**Weasch**$17.70**4.4★**▲ 38%**](https://www.amazon.com/dp/B0DDWYT8JL)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -5.6% search growth over the last 90 days.

3K2K 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**25%

*“Excellent quality product”*

**Assembly/Installation**11%

*“Easy to install”*

**Value For Money**7%

*“Decent for the price”*

**Design-Overall**6%

*“design is good”*

**Advertised Vs Actual Product**6%

*“Works as advertised”*

**Efficiency**5%

*“Works perfectly”*

**Ease Of Use**5%

*“It saves a lot of time”*

**Water Resistance**4%

*“The box is waterproof”*

**Ease Of Cleaning**2%

*“Super clean”*

**Mounting**2%

*“much easier than mounting discrete componenets”*

### **What buyers complain about **

**Instructions/User Manual/Troubleshooting**14%

*“No Instructions”*

**Quality-Overall**12%

*“Quality control is poor”*

**Functionality-Overall**6%

*“Didn't work”*

**Water Resistance**5%

*“NOT WATERPROOF”*

**Value For Money**5%

*“Cheap wasn't even worth the cost”*

**Durability**5%

*“LID will break almost immediately”*

**Size-Overall**3%

*“are so small”*

**Strength**3%

*“The plastic snap covers are brittle”*

**Material Quality**3%

*“Very cheap plastic”*

**Defective Material/Parts**3%

*“Bad parts”*

### **Top return reasons **

**Size-Overall**34%

**Functionality-Overall**12%

**Compatibility-Overall**12%

**Defective Material/Parts**9%

**Mounting**8%

**Advertised Vs Actual Product**6%

**Water Resistance**3%

**Assembly/Installation**3%

**Instructions/User Manual/Troubleshooting**2%

**Value For Money**2%