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Syngas

Syngas shows demand growing +750.3% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

65
Worth a look

Top 6% of 1,428 Auto & Motorrad niches · +14 vs the category median of 51

Market size 7Growth 100Conversion 19Competition 52Returns 100Price range 54Avg price 92Brand share 71Review moat 100Quality gap 100
This niche Category average · 1,428 niches

Is Syngas profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Syngas is a €29K/yr Amazon Germany market (87K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 65/100.

Syngas: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +750.3% over the last 90 days and 1.5% of searches end in a purchase.

€29K

revenue / yr

Units sold / yr3K
Search volume / yr+750.3%87K
Conversion rate1.5%
Avg price€21.74

Who owns the niche?

The top 5 brands hold 62% of demand, so 38% of the market is open.

38%

open market share

Brands · sellers16 · 22
Top-5 product click share54%
Open market38%
Avg brand age27 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 2.9★ — the gap to enter on.

0/100

page quality · 21 products

Sponsored placement95%
New entrants (1y)18· 0 succeeded
Avg rating2.9★
Avg reviews9

Top Syngas products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

€0€3K€6K€9K€11K110100 Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

16

Sellers

22

Top-5 brand share

62%

Top 20: 100%

Top-5 click share

54%

Top 20: 99%

Open market

31%

  • Logseubaw23%
  • Generisch13%
  • AILISK11%
  • MRGIINR9%
  • DIANLIANG7%
  • DZ'HUE7%

Syngas demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume87KCVR1.5%Products21Brands16Top 5 Brands62%OOS Rate21.7%Rating2.9★Reviews9Avg BSR#590
7K5KMay '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26

Top Syngas search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • syngas44K/yr
  • syngas spritsparer33K/yr
  • syngas obd fuel saver6K/yr
  • obd fuel saver4K/yr

What reviews say buyers love and hate about Syngas

What buyers mention most, as a share of all reviews.

What buyers love

85% of reviews
Akkulaufzeit24%

Perfekt, der Akku war schon fast voll also einsatzbereit

Treibstoffeffizienz12%

Der OBD Kraftstoffsparer optimiert den Motor

Preis-Leistungs-Verhältnis11%

Super Preisangebot

Gesamtgröße9%

Passt perfekt

Qualität insgesamt8%

Ein verlässliches Produkt, genau nach seiner Beschreibung

What buyers complain about

95% of reviews
Funktionalität insgesamt35%

Funktioniert überhaupt nicht

Treibstoffeffizienz17%

Benzinersparnis ist gleich Null man darf der Werbung nicht glauben was sie verspricht

Ethischer Handel/Fairer Handel15%

Scam ohne Nutzen

Qualität insgesamt9%

Müll

beworben Vs Tatsächliches Produkt9%

Mangelhafte Beschreibung

Syngas return rate & reasons

Why buyers send it back, as a share of all return requests.

0.0%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Funktionalität insgesamt
38%
2Gesamtgröße
14%
3beworben Vs Tatsächliches Produkt
10%
4Defekt Material/Teile
9%
5Kompatibilität – insgesamt
7%

Common Syngas questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Syngas 65/100 on Amazon Germany — Worth a look. The niche generates €29K/yr across 21 tracked products. 0 of 18 products launched in the last 360 days are still selling. Search demand moved +750.3% over the last 90 days.
Syngas buyers on Amazon Germany complain most about Funktionalität insgesamt, Treibstoffeffizienz, Ethischer Handel/Fairer Handel, the themes mined from the niche's reviews. Its return rate is 0.0%.