Is flux pen profitable to sell on Amazon United States?

The niche generates $162K/yr across 11 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +17.4%. Flapen's verdict: Skip it (44/100).

How competitive is the flux pen niche?

9 brands and 12 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 87% of demand.

What do buyers complain about in flux pen?

Top complaints mined from reviews: Adhesion/Stickiness, Functionality-Overall, Quality-Overall. The return rate is 0.7%.

When does demand for flux pen peak?

Demand peaks in Apr–May; the busiest month runs 2.7× the quietest.

What does it cost to enter the flux pen niche?

Listings span $6.03–$15.85; the average listing price is $9.19 (sweet spot $15–$100). The average incumbent carries 2,451 reviews — the moat a new listing must climb.

flux pen

Skip it

Prices mostly outside the sweet spot ($6.03–$15.85) — this niche doesn't clear our bar today.

Conversion

Incredible17.3%

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

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Growth

Okay+17.4%

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

Review moat

Okay2,451.09

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$162K

$162K/yr · 102K searches

Brand share

Okay87%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Avg price

Okay$9.19

avg listing price — sweet spot $15–$100

Competition

Bad79%

top-5 click share — a locked-up shelf

Price range

Bad$6.03–$15.85

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

According to Flapen's Amazon United States niche tracking, flux pen is a $162K/yr Amazon United States market (102K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Apr–May. Verdict: Skip it — 44/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

flux pen market data

Units sold / yr: 10K–13K; avg 750–1,000/product
Revenue / yr: $92K–$115K; units × avg price
Conversion rate: 17.3%
Avg BSR: #51
Page quality: 0%
Prime: 100%
Sponsored: 64%
Out of stock: 6.0%
Avg brand age: 64 months
Avg seller age: 189 days

Competition & brand share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

Outus32%
QUIMTECH25%
Essmetuin14%
Chip Quik11%
BEEYUIHF6%
SRA Soldering Products4%
Open — no brand owns it (3 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +17.4% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 2.7×

Open Trend

Top flux pen search terms

flux pen72K/yr +28.6%7.8% conv.
solder flux pen15K/yr -20.4%14.8% conv.
soldering flux pen7K/yr -15.8%13.8% conv.
no clean flux pen5K/yr +8.5%17.2% conv.
rosin flux pen4K/yr -7.4%17.0% conv.

All search terms

Top flux pen 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

3 Pcs No Clean Soldering Pen Rosin Solder Pen for PCB Electronics Welding

Outus$9.694.4★532 rev

Solder Flux Pen (10 ml) I Liquid Solder Flux I Soldering Flux I Electrical Solder I No Clean Liquid Flux I Rosin Flux I Soldering Flux for Electronics I Lead Free Liquid Solder I Flux for Soldering

QUIMTECH$6.034.6★36 rev

Desoldering Wick and Soldering Flux Paste for Electronics Repair No Clean Flux(10CC) Solder Removal Kit

Essmetuin$9.934.7★1,241 rev

Chip Quik CQ4LF Liquid Flux No-Clean (10ml (0.34oz) Pen)

Chip Quik$7.954.4★3,118 rev

Liquid Solder Flux Dropper (30 ml/1 Oz.) I RMA Liquid Solder Flux I Soldering Flux I Electrical Solder I No Clean Liquid Flux I Rosin Flux I Soldering Flux for Electronics I Lead Free Liquid Solder I

QUIMTECH$7.044.6★3,266 rev

Newest

by launch date

BEEYUIHF Liquid Solder Flux Dropper Liquid Soldering Flux No Clean Liquid Flux Electrical Liquid Rosin Flux Solder Liquid Flux Soldering Squeeze Bottle (30 mL/1.05Oz.)

BEEYUIHF$6.89416 rev

10mo ago

TOWOT 10ft Solder Wick Braid & No-Clean Soldering Flux Paste (10cc) - Desoldering Kit for Electronics Repair PCB Circuit Board Rework

TOWOT$9.158,501 rev

12mo ago

Solder Flux Pen (10 ml) I Liquid Solder Flux I Soldering Flux I Electrical Solder I No Clean Liquid Flux I Rosin Flux I Soldering Flux for Electronics I Lead Free Liquid Solder I Flux for Soldering

QUIMTECH$6.0336 rev

1y ago

Lesnow Solder Flux Paste And Solder Wick Braid No Clean Soldering Flux(10cc) Soldering Remover Tool 10ft Desoldering Wick Braid For Electronics Repair For Disassemble Electrical Components

Lesnow$9.827,266 rev

1y ago

Kaisiking Solder Flux & Desoldering Wick for Electronics Soldering Rework

Kaisiking$9.30299 rev

1y ago

What buyers say about flux pen

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

What buyers love

Quality-Overall20%

“Good quality”

Advertised Vs Actual Product18%

“As Advertised”

Ease Of Use17%

“Works and allows easy control”

Value For Money12%

“Excellent value”

Ease Of Cleaning7%

“No mess”

Spray/Flow5%

“Flow is consistent”

Size-Overall3%

“Fits perfectly”

Functionality-Overall2%

“Easy fluxing things like circuit boards”

Design-Overall2%

“It is versatile within the range of projects it is designed for”

Portability2%

“Handy Flux Pen for Electronics Work”

What buyers complain about

Adhesion/Stickiness14%

“does leave a sticky residue that I don't want to leave on the board”

Functionality-Overall10%

“Didn't work as expected”

Quality-Overall8%

“Cheap stuff”

Value For Money7%

“It may seem a little expensive”

Size-Overall6%

“a bit larger so easy to grip”

Ease Of Use5%

“it is difficult to apply with the plunger flopping around”

Thickness4%

“The pen is kind of chunky”

Spray/Flow4%

“the flux takes a bit to initially get flowing”

Flammable3%

“seems to burn easily making cleanup harder”

Instructions/User Manual/Troubleshooting2%

“no directions'”

Top return reasons

Functionality-Overall28%

Value For Money15%

Size-Overall10%

Advertised Vs Actual Product9%

Quality-Overall9%

Defective Material/Parts8%

Adhesion/Stickiness4%

Heating3%

Maintenance And Repair3%

Product Condition2%

Common questions

Is flux pen profitable to sell on Amazon United States?: The niche generates $162K/yr across 11 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +17.4%. Flapen's verdict: Skip it (44/100).
How competitive is the flux pen niche?: 9 brands and 12 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in flux pen?: Top complaints mined from reviews: Adhesion/Stickiness, Functionality-Overall, Quality-Overall. The return rate is 0.7%.
When does demand for flux pen peak?: Demand peaks in Apr–May; the busiest month runs 2.7× the quietest.
What does it cost to enter the flux pen niche?: Listings span $6.03–$15.85; the average listing price is $9.19 (sweet spot $15–$100). The average incumbent carries 2,451 reviews — the moat a new listing must climb.

flux pen

flux pen market data

Competition & brand share

Demand & seasonality

Top flux pen search terms

Top flux pen products on Amazon

Top sellers

Newest

Trending

What buyers say about flux pen

What buyers love

What buyers complain about

Top return reasons

Common questions

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