---
title: "stop watt energy saving device — Niche Verdict: Worth a look (68/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/electronics/stop-watt-energy-saving-device"
last_updated: "2026-07-18T03:58:35.543Z"
locale: en
meta:
  description: "stop watt energy saving device shows demand growing +503.5% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "stop watt energy saving device shows demand growing +503.5% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "stop watt energy saving device — Niche Verdict: Worth a look (68/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **stop watt energy saving device**

**Worth a look**

Shows demand growing +503.5% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 62Growth 100Conversion 35Competition 26Returns 99Price range 95Avg price 95Brand share 24Review moat 97Quality gap 99

**Growth**

**Incredible****+503.5%**

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

**Quality gap**

**Incredible****3.6★**

avg incumbent rating — lower means beatable quality

**Returns**

**Incredible****0.2%**

return rate — above 6% kills the launch gate

**Review moat**

**Incredible****68.23**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Incredible****$37.70**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$21.18–$57.04**

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

**Market size**

**Good****$551K**

$551K/yr · 524K searches

**Conversion**

**Okay****2.8%**

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

**Competition**

**Okay****69%**

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

**Brand share**

**Bad****91%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **

**Sellers**

**18**

**Top-5 brand share**

**91%**

**Open market**

**6%**

- Bloockwiz41% - Generic28% - KMXNVB10% - Eqoktx7% - STOPWATT4% - OJJ4% - Open — no brand owns it (2 brands, 6%)

## **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%15%$83K30%$165K45%$248K60%$330K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 13 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Stopwatt SmartPlug Device Device Plug-in for Home & Office US Plug 90V-250V 30KW 4 Pack](https://m.media-amazon.com/images/I/41+F-yZY7-L.jpg)**Stopwatt SmartPlug Device Device Plug-in for Home & Office US Plug 90V-250V 30KW 4 Pack**Bloockwiz**$30.69**3.8★368 rev](https://www.amazon.com/dp/B0GQY2RSSS) [2![4 Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW](https://m.media-amazon.com/images/I/41tryX5ih5L.jpg)**4 Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW**Generic**$28.83**3.3★99 rev](https://www.amazon.com/dp/B0GV5259LF) [3![4 Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW](https://m.media-amazon.com/images/I/41bIuCKOHAL.jpg)**4 Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW**Generic**$28.79**3.3★57 rev](https://www.amazon.com/dp/B0GXDWJ7ZS) [4![Stopwatt Smartplug in Power Box Device US Plug Pro 2026 Stop watt Power Factor for Home and Office 6 Pack (6 Packs)](https://m.media-amazon.com/images/I/41SS8I+lGWL.jpg)**Stopwatt Smartplug in Power Box Device US Plug Pro 2026 Stop watt Power Factor for Home and Office 6 Pack (6 Packs)**Eqoktx**$57.04**3.9★57 rev](https://www.amazon.com/dp/B0GYD7CZL5) [5![6Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW](https://m.media-amazon.com/images/I/4136+P0hm5L.jpg)**6Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW**Generic**$34.62**3.2★28 rev](https://www.amazon.com/dp/B0GXDZXG69)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![4 Pack Stopwatt SmartPlug Device top Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW Load Energy Saver](https://m.media-amazon.com/images/I/41nyECFdNyL.jpg)**4 Pack Stopwatt SmartPlug Device top Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW Load Energy Saver**Generic**$27.12**13 rev2mo ago](https://www.amazon.com/dp/B0H26LPFR8) [![StopWatt Electric Plug-in Accessory for Home Office & Apartment Use](https://m.media-amazon.com/images/I/21v-HJ9ySaL.jpg)**StopWatt Electric Plug-in Accessory for Home Office & Apartment Use**STOPWATT**$49.41**2 rev2mo ago](https://www.amazon.com/dp/B0H1P16CVY) [![Stopwatt Smartplug in Power Box Device US Plug Pro 2026 Stop watt Power Factor for Home and Office 6 Pack (6 Packs)](https://m.media-amazon.com/images/I/41SS8I+lGWL.jpg)**Stopwatt Smartplug in Power Box Device US Plug Pro 2026 Stop watt Power Factor for Home and Office 6 Pack (6 Packs)**Eqoktx**$57.04**57 rev2mo ago](https://www.amazon.com/dp/B0GYD7CZL5) [![Upgrade Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW 2Pcs](https://m.media-amazon.com/images/I/41o2skhK0PL.jpg)**Upgrade Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW 2Pcs**OJJ**$21.18**9 rev2mo ago](https://www.amazon.com/dp/B0GY6XBHT3) [![4 Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW](https://m.media-amazon.com/images/I/41bIuCKOHAL.jpg)**4 Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW**Generic**$28.79**57 rev3mo ago](https://www.amazon.com/dp/B0GXDWJ7ZS)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![4 Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW](https://m.media-amazon.com/images/I/41bIuCKOHAL.jpg)**4 Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW**Generic**$28.79**3.3★**▲ 12%**](https://www.amazon.com/dp/B0GXDWJ7ZS) [![Stopwatt Smartplug in Power Box Device US Plug Pro 2026 Stop watt Power Factor for Home and Office 6 Pack (6 Packs)](https://m.media-amazon.com/images/I/41SS8I+lGWL.jpg)**Stopwatt Smartplug in Power Box Device US Plug Pro 2026 Stop watt Power Factor for Home and Office 6 Pack (6 Packs)**Eqoktx**$57.04**3.9★**▲ 12%**](https://www.amazon.com/dp/B0GYD7CZL5) [![Upgrade Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW 2Pcs](https://m.media-amazon.com/images/I/41o2skhK0PL.jpg)**Upgrade Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW 2Pcs**OJJ**$21.18**3.8★**▲ 12%**](https://www.amazon.com/dp/B0GY6XBHT3) [![Stopwatt Device Power Factor Plug Pro 2026 Stop watt Plug in Power Box for Home and Office 6 Pack](https://m.media-amazon.com/images/I/41lNKiYhT-L.jpg)**Stopwatt Device Power Factor Plug Pro 2026 Stop watt Plug in Power Box for Home and Office 6 Pack**KMXNVB**$56.39**4.8★**▲ 12%**](https://www.amazon.com/dp/B0GLPLDDCZ) [![6Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW](https://m.media-amazon.com/images/I/4136+P0hm5L.jpg)**6Pack Stopwatt SmartPlug Device Stop Watt Device Plug-in for Home & Office US Plug 90V-250V 30KW**Generic**$34.62**3.2★**▲ 12%**](https://www.amazon.com/dp/B0GXDZXG69)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 103 weeks — +503.5% search growth over the last 90 days.

45K35KSpike '24Black Friday '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 13.9×

## **Reviews**

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

### **What buyers love **

**Value For Money**20%

*“Not bad for the price”*

**Quality-Overall**18%

*“feel well made”*

**Advertised Vs Actual Product**14%

*“As described”*

**Ease Of Use**10%

*“Easy to Use”*

**Efficiency**10%

*“Clean Dirty Electricity I ordered 4”*

**Socket/Port/Plug**5%

*“These smart plugs are very easy to set up and connect quickly”*

**Functionality-Overall**3%

*“The stopwatt energy saving device is now my favorite tool”*

**Strength**2%

*“Very effective”*

**Design-Overall**2%

*“The design is compact”*

**Brightness/Shine/Glow**2%

*“Very bright”*

### **What buyers complain about **

**Functionality-Overall**36%

*“Literally does nothing”*

**Value For Money**13%

*“I ended up paying more $$”*

**Advertised Vs Actual Product**11%

*“This is very misleading”*

**Quality-Overall**10%

*“Garbage”*

**Ethical Trade/Fair Trade**8%

*“This is a scam”*

**Defective Material/Parts**4%

*“the components inside of the device dont do anything I dont recommend you to buy it”*

**Instructions/User Manual/Troubleshooting**3%

*“Poor instruction and functioning”*

**Size-Overall**3%

*“My bill has definitely been getting smaller”*

**Connectivity-Overall**3%

*“Made me afraid to plug into my home”*

**Storage Capacity**1%

*“My only critique is I wish there was an outlet on top of this device so you could still utilize it because it takes up space of one”*

### **Top return reasons **

**Functionality-Overall**32%

**Advertised Vs Actual Product**24%

**Socket/Port/Plug**10%

**Defective Material/Parts**8%

**Ethical Trade/Fair Trade**8%

**Value For Money**3%

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

**Compatibility-Overall**2%

**Quality-Overall**2%

**Size-Overall**2%