Is esr meter profitable to sell on Amazon United States?

The niche generates $62K/yr across 14 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -12.6%. Flapen's verdict: Skip it (40/100).

How competitive is the esr meter niche?

11 brands and 31 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in esr meter?

Top complaints mined from reviews: Functionality-Overall, Instructions/User Manual/Troubleshooting, Quality-Overall. The return rate is 2.6%.

When does demand for esr meter peak?

Demand peaks in Jan; the busiest month runs 1.6× the quietest.

What does it cost to enter the esr meter niche?

Listings span $19.96–$156.32; the average listing price is $69.34 (sweet spot $15–$100). The average incumbent carries 355 reviews — the moat a new listing must climb.

esr meter

Skip it

A small market ($62K/yr) — this niche doesn't clear our bar today.

Avg price

Great$69.34

avg listing price — sweet spot $15–$100

Review moat

Great355.36

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.6%

return rate — above 5% kills the launch gate

Price range

Good$19.96–$156.32

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

Brand share

Okay83%

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

Conversion

Okay2.2%

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

Competition

Okay69%

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

Growth

Bad-12.6%

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

Market size

Bad$62K

$62K/yr · 41K searches

Signals High Price

According to Flapen's Amazon United States niche tracking, esr meter is a $62K/yr Amazon United States market (41K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jan. Verdict: Skip it — 40/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

esr meter market data

Units sold / yr: 1K–1K; avg 0–100/product
Revenue / yr: $69K–$87K; units × avg price
Conversion rate: 2.2%
Avg BSR: #132
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 16.7%
Avg brand age: 62 months
Avg seller age: 206 days

Competition & brand share

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

Brands

11 falling

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

12%

FNIRSI39%
Signstek21%
GME11%
Velleman6%
FOWBOA6%
oiuebxe5%
Open — no brand owns it (5 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — -12.6% search growth over the last 90 days.

Peak months: Jan · busiest ÷ quietest = 1.6×

Open Trend

Top esr meter search terms

esr meter33K/yr -12.9%2.3% conv.
esr meter capacitor tester5K/yr -17.7%1.6% conv.
esr tester3K/yr -2.3%3.6% conv.

All search terms

Top esr meter 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.

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

All 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Signstek MESR-100 V2 Auto Ranging in Circuit ESR Meter Capacitor Tester/Low Ohm Meter Up to 0.01 to 100R Support in Measuring Capacitance Resistance Circuit

Signstek$59.114.4★725 rev

FNIRSI LC1020E 100kHz LCR Meter 19 999 Counts Resistor Inductor Capacitor Tester Auto Component Detect Measures ESR/Q/D//X 2.8 Color TFT Dual Parameter Display Sorting & Open/Short Calibration

FNIRSI$71.784.6★238 rev

FNIRSI LCR-P1 Transistor Tester Mosfet Transistor Capacitor Tester SMD Electronic Component Tester Diode Triode Zener Diode Resistance Inductance Battery Test LCR Meter MOS PNP NPN ESR Meter

FNIRSI$30.754.3★808 rev

GME Professional in-Circuit ESR Capacitor Tester Capacitance ESR Meter Designed and Engineered in The USA

GME$128.114.2★129 rev

FNIRSI LCR-ST1 10KHz LCR Meter Tweezer Mini Smart SMD Tester ESR Meter Multimeter Capacitance Inductance Continuity Diode Tester Auto Component Recognition Electronic Component Analyze

FNIRSI$32.404.4★326 rev

Newest

by launch date

Capacitor Analyzer Compatible with ESR70 Capacitance Tester

FOWBOA$131.422 rev

6mo ago

CapMaster 470F Digital Capacitor Tester with ESR Estimation 0.01pF470F Capacitance Meter for HVAC & Appliance Repair 1%12% Accuracy Auto Range

oiuebxe$55.7514 rev

6mo ago

FNIRSI LCR-ST2 100kHz LCR ESR Meter Tweezer SMD Component Tester Auto Sort Compare Resistor Inductor Diode Capacitor Tester Measures Voltage Continuity Full-Band Scan Series/Parallel Mode

FNIRSI$44.90106 rev

8mo ago

FNIRSI LC1020E 100kHz LCR Meter 19 999 Counts Resistor Inductor Capacitor Tester Auto Component Detect Measures ESR/Q/D//X 2.8 Color TFT Dual Parameter Display Sorting & Open/Short Calibration

FNIRSI$71.78238 rev

11mo ago

Digital LCD for ESR Capacitance Ohm Meter in Circuit Tester Capacitor Fault Tester

GODIYMODULES$31.405 rev

1y ago

What buyers say about esr meter

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

What buyers love

Ease Of Use22%

“Easy to use”

Value For Money19%

“Save the money”

Quality-Overall12%

“Good quality”

Efficiency8%

“Seems to work well”

Design-Overall4%

“It's well designed”

Functionality-Overall4%

“So many valuable useful functions”

Portability3%

“so it's very versatile”

Display-Overall3%

“The display is clear”

Advertised Vs Actual Product2%

“Works as advertised”

Measurement/Reading Accuracy2%

“ESR estimation is helpful”

What buyers complain about

Functionality-Overall14%

“doesn't work correctly”

Instructions/User Manual/Troubleshooting10%

“Item did not come in the box, no instructions”

Quality-Overall8%

“Not well made”

Battery Life7%

“they can chemically degrade over time just like batteries”

Measurement/Reading Accuracy6%

“Full disclosure, not having a professionally certified capacitor tester to test against this unit the readings I observed may be different than the actual value of the capacitor tested”

Display-Overall5%

“Display is terrible for 2026”

Durability4%

“Wont last long”

Size-Overall4%

“The screen is smaller”

Value For Money3%

“Expected better for the price”

Assembly/Installation3%

“This behavior persists after basic setup”

Top return reasons

Functionality-Overall27%

Advertised Vs Actual Product18%

Defective Material/Parts10%

Value For Money6%

Display-Overall5%

Quality-Overall5%

Charging4%

Compatibility-Overall4%

Certifications3%

Ease Of Use3%

Common questions

Is esr meter profitable to sell on Amazon United States?: The niche generates $62K/yr across 14 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -12.6%. Flapen's verdict: Skip it (40/100).
How competitive is the esr meter niche?: 11 brands and 31 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in esr meter?: Top complaints mined from reviews: Functionality-Overall, Instructions/User Manual/Troubleshooting, Quality-Overall. The return rate is 2.6%.
When does demand for esr meter peak?: Demand peaks in Jan; the busiest month runs 1.6× the quietest.
What does it cost to enter the esr meter niche?: Listings span $19.96–$156.32; the average listing price is $69.34 (sweet spot $15–$100). The average incumbent carries 355 reviews — the moat a new listing must climb.