Kill a Watt
FailThe top 5 brands take 100% of clicks, so Kill a Watt is a Fail.
- Flapen Score
- 41 / 100Ranks 7,340 of 9,536 Tools & Home Improvement niches · −7 vs the category median of 4841
- Market size
- $320K/yr174K searches / yr
- 90-day growth
- -7.4%search demand this quarter
- Competition
- 81%top-5 click share · 5 brands · 43 sellers
Flapen Score
Kill a Watt against its category
The dotted line is the Tools & Home Improvement average. Past it, Kill a Watt is stronger. Inside it, weaker.
Market
The Kill a Watt market on Amazon at a glance
Shoppers on Amazon United States searched for Kill a Watt 174K times last year and spent an estimated $320K. All 5 brands take every click. Flapen scores it 41 out of 100, a Fail.
01 · Demand
7.8% of searches ended in a purchase last week.
Shoppers searched for this 174K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 7.8% of those searches ended in a purchase. Searches in the last 90 days moved -7.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $320K a year.
- Searches, last 12 months
- 174K
- Growth, 90 days vs prior 90
- -7.4%
- Conversion, latest week
- 7.8%
- Market size, estimated
- $320Ka year
- Peak month
- January1.5× the quietest month
- Top search term
- kill a watt meter50K searches a year
02 · Price
A sale here is worth $23.74.
Listings sell for $23.74 on average, from $9.69 to $47.08. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 1,000 to 1,250 of them. At $23.74 that is $24K to $30K a year per listing.
- Average price
- $23.74inside the $15 to $100 sweet spot
- Price range
- $9.69–$47.08
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $24K–$30K
- Returns
- 2.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #306 within Breakers, Load Centers & Fuses. It carries 3,854 reviews at 4.51 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 80%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #306in Breakers, Load Centers & Fuses
- Average rating
- 4.51 starsAmazon United States average 4.42 stars
- Average reviews
- 3,854per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 51 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 51 months
Products
Top Kill a Watt products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption Energy Voltage Amps Kill Tester with Backlight Overload Protection 7 Modes Display
- Price
- $12.05
- Rating
- 4.6/5
- Reviews
- 8,377
- Age
- 5y ago

P3 P4400 Kill A Watt Electricity Usage Monitor
- Price
- $30.70
- Rating
- 4.6/5
- Reviews
- 9,752
- Age
- 21y ago

P3 International P4460 Kill A Watt EZ Electricity Usage Monitor grey
- Price
- $33.79
- Rating
- 4.4/5
- Reviews
- 3,912
- Age
- 19y ago

Upgraded Watt Meter Power Meter Plug Home Energy Monitor Electricity Usage Monitor Electrical Usage Monitor Energy Voltage Amps Meter Tester with Backlight Overload Protection 8 Display Modes
- Price
- $9.96
- Rating
- 4.6/5
- Reviews
- 3,148
- Age
- 3y ago

Kill A Watt Connect P4498 Electricity Usage Monitor Power Consumption Meter with Two Piece Housing and 35 Inch Cord for Easy Use
- Price
- $47.08
- Rating
- 4.4/5
- Reviews
- 138
- Age
- 2y ago
Trending
90-day click momentum
Upgraded Watt Meter Power Meter Plug Home Electricity Usage Monitor Electrical Usage Monitor Consumption Energy Voltage Amps Kill Meter with Backlight Overload Protection 7 Modes Display-With Cord
- Price
- $15.98
- Rating
- 4.6/5
- Reviews
- 8,377
- Age
- 4y ago

P3 International P4456 Kill A Watt Flex Electricity Usage Monitor Advanced Power Meter with Data Memory CO Tracking & Cost Calculator Upgrade from P4400 Watt Meter
- Price
- $42.89
- Rating
- 4.3/5
- Reviews
- 77
- Age
- 3y ago

HBN Watt Meter Plug with Backlight Plug-in Socket Power Meter Electricity Usage Monitor Consumption Home Electrical Energy Monitor Voltage Amps Wattage Electricity Usage Tester 9 Display Modes
- Price
- $9.69
- Rating
- 4.6/5
- Reviews
- 965
- Age
- 4y ago

Upgraded Watt Meter Power Meter Plug Home Energy Monitor Electricity Usage Monitor Electrical Usage Monitor Energy Voltage Amps Meter Tester with Backlight Overload Protection 8 Display Modes
- Price
- $9.96
- Rating
- 4.6/5
- Reviews
- 3,148
- Age
- 3y ago

Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption Energy Voltage Amps Kill Tester with Backlight Overload Protection 7 Modes Display
- Price
- $12.05
- Rating
- 4.6/5
- Reviews
- 8,377
- Age
- 5y ago
Newest
by launch date
TP-Link Smart Plug Wi-Fi Mini Energy Monitoring Compatible with Alexa & Google Home & Samsung SmartThings Timer 15A/1800W Max ETL Certified 2.4G Wi-Fi Only Tapo P115(4-Pack)
- Price
- $25.37
- Rating
- 4.5/5
- Reviews
- 3,330
- Age
- 2y ago

Upgraded Watt Meter Watt Usage Meter Plug Home Energy Monitor Consumption Electricity Usage Monitor Energy Voltage Amps Kill Tester with Backlight Overload Protection 8 Modes Display
- Price
- $9.93
- Rating
- 4.5/5
- Reviews
- 464
- Age
- 2y ago

Kill A Watt Connect P4498 Electricity Usage Monitor Power Consumption Meter with Two Piece Housing and 35 Inch Cord for Easy Use
- Price
- $47.08
- Rating
- 4.4/5
- Reviews
- 138
- Age
- 2y ago

P3 International P4456 Kill A Watt Flex Electricity Usage Monitor Advanced Power Meter with Data Memory CO Tracking & Cost Calculator Upgrade from P4400 Watt Meter
- Price
- $42.89
- Rating
- 4.3/5
- Reviews
- 77
- Age
- 3y ago

Upgraded Watt Meter Power Meter Plug Home Energy Monitor Electricity Usage Monitor Electrical Usage Monitor Energy Voltage Amps Meter Tester with Backlight Overload Protection 8 Display Modes
- Price
- $9.96
- Rating
- 4.6/5
- Reviews
- 3,148
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 81% of clicks. A locked shelf that new listings rarely crack.
Brands
5 flat
Sellers
43
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
81%
Top 20: 100%
Open market
0%
- MECHEER47%
- P333%
- KILL A WATT11%
- Tapo5%
- HBN5%
Demand
Kill a Watt search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Kill a Watt search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- kill a watt meter50K/yr
- kill a watt55K/yr
- killawatt meter23K/yr
- kill-a-watt meter13K/yr
- killawatt9K/yr
- kill-a watt6K/yr
- kill a watt electricity usage monitor6K/yr
- kill-a-watt7K/yr
- kilowatt3K/yr
- kill a watt power meter2K/yr
Reviews and returns
What reviews say buyers love and hate about Kill a Watt
We read the reviews and the return reasons for every product selling here.
“cost results just do not reflect an accurate readout”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Kill a Watt questions
Answered from the same tracked data.









