---
title: "Stop Watt Energy Saving Device — $551K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/stop-watt-energy-saving-device"
last_updated: "2026-07-21T11:17:33.013Z"
locale: en
meta:
description: "Niche score 68/100 · $551K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 68/100 · $551K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Stop Watt Energy Saving Device — $551K/yr Amazon US Niche (2026) - Flapen"
---
# **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
According to Flapen's Amazon United States niche tracking, stop watt energy saving device is a $551K/yr Amazon United States market (524K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 68/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **stop watt energy saving device market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$566K–$754K**
- units × avg price
- **Launch success**
- **85%**
- 11 of 13 new (360d)
- **Conversion rate**
- **2.8%**
- **Avg BSR**
- **#1,053**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **21.3%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
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%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**6%**
- Bloockwiz41% - Generic28% - KMXNVB10% - Eqoktx7% - STOPWATT4% - OJJ4% - Open — no brand owns it (2 brands, 6%)
## **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×
[**Open Trend **](https://flapen.com/research/us/electronics/stop-watt-energy-saving-device/trend)
## **Top stop watt energy saving device search terms**
- **stopwatt**171K/yr+716.7%1.6% conv. - **stopwatt energy saving device**105K/yr+398.3%2.0% conv. - **stop watt**99K/yr+571.5%1.3% conv. - **stopwatt energy saving device 2026**41K/yr+539.5%2.3% conv. - **stop watt energy saving device**42K/yr+258.4%1.8% conv. - **stopwatt reviews**21K/yr+291.4%0.4% conv. - **stop watt reviews**12K/yr+374.8%0.4% conv. - **stopwatts energy saving device 2026**4K/yr>1,000%2.2% conv. - **stopwatts**4K/yr+519.2%1.4% conv. - **stopwatt smartplug device**4K/yr>1,000%1.9% conv. [**All search terms **](https://flapen.com/research/us/electronics/stop-watt-energy-saving-device/search-terms)
## **Top stop watt energy saving device products on Amazon**
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**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**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**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)**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**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**Generic**$27.12**13 rev2mo ago](https://www.amazon.com/dp/B0H26LPFR8) [**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)**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**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**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**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)**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**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**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**Generic**$34.62**3.2★**▲ 12%**](https://www.amazon.com/dp/B0GXDZXG69)
**~~View all trending →~~**
## **What buyers say about stop watt energy saving device**
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%
## **Common questions**
- **Is stop watt energy saving device profitable to sell on Amazon United States?**
- The niche generates $551K/yr across 13 tracked products. 11 of 13 products launched in the last 360 days are still selling. 90-day search growth is +503.5%. Flapen's verdict: Worth a look (68/100).
- **How competitive is the stop watt energy saving device niche?**
- 8 brands and 18 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in stop watt energy saving device?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 0.2%.
- **When does demand for stop watt energy saving device peak?**
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 13.9× the quietest.
- **What does it cost to enter the stop watt energy saving device niche?**
- Listings span $21.18–$57.04; the average listing price is $37.70 (sweet spot $15–$100). The average incumbent carries 68 reviews — the moat a new listing must climb.
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