p21w
Skip itPrices mostly outside the sweet spot ($2.51–$11.62) — this niche doesn't clear our bar today.
Conversion
Incredible17.0%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Okay€110K€110K/yr · 116K searches
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Growth
Bad-2.6%90-day search growth — must beat 0% to launch
Review moat
Bad5,346.25avg incumbent reviews — the moat a new listing must climb
Avg price
Bad€5.59avg listing price — sweet spot $15–$100
Price range
Bad€2.51–€11.62cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon Germany niche tracking, p21w is a €110K/yr Amazon Germany market (116K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 39/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
p21w market data
- Units sold / yr
- 15K–20K
- avg 750–1,000/product
- Revenue / yr
- €84K–€112K
- units × avg price
- Conversion rate
- 17.0%
- Avg BSR
- #13
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 72 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.Brands
8 rising
Sellers
113
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
6%
- Osram45%
- Bosch15%
- PHILIPS11%
- LIGHTWORLD24 Welt der Lichter10%
- XENOHYPE9%
- GADLANE5%
- Open — no brand owns it (2 brands, 6%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top p21w search terms
- p21w57K/yr
- p21w 12v13K/yr
- 12v 21w birne13K/yr
- ba15s7K/yr
- glühlampe 12v 21w6K/yr
- 12v 21w5K/yr
- osram p21w4K/yr
- 12v p21w3K/yr
- glühbirne 12v 21w3K/yr
- 21w 12v birne3K/yr
Top p21w 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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Osram ORIGINAL LINE 12V P21W signal lamp Metal Base Double Blister (2 lamps)
Osram€2.864.7★383 rev
Bosch P21W Pure Light Fahrzeuglampen - 12 V 21 W BA15s - 2 Stücke
Bosch€2.514.7★4,284 rev
Philips automotive lighting 0730012 Glühlampen 13.00x9.50x13.00 White
PHILIPS€3.334.7★41,112 rev
LIGHTWORLD24 10 x P21W 12V 21W Kugellampe BA15s Bremslichtlampe Nebelschlusslampe Rückfahrlicht Tagfahrlicht Glüh-Lampe Auto Birne Kfz PKW Stop Signal Licht
LIGHTWORLD24 Welt der Lichter€6.724.5★971 rev
XENOHYPE 10x P21W Premium BA15s 12 V 21 Watt Kugellampen
XENOHYPE€8.504.5★563 rev
Newest
by launch dateOsram ORIGINAL LINE 12V P21W signal lamp Metal Base Double Blister (2 lamps)
Osram€2.86383 rev
Osram ULTRA LIFE P21W Double Blister (2 lamps)
Osram€2.903,555 rev
Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)
Osram€4.513,158 rev
Light Galaxy ... Ihr Lichtlieferant 10x P21W 12V 21W BA15s Kugellampe Bremslichtlampe Rückfahrlicht Nebelschlussleuchte Tagfahrlicht KFZ Auto Glühlampe
Light Galaxy ... Ihr Lichtlieferant€6.6585 rev
LIGHTWORLD24 10 x P21W 12V 21W Kugellampe BA15s Bremslichtlampe Nebelschlusslampe Rückfahrlicht Tagfahrlicht Glüh-Lampe Auto Birne Kfz PKW Stop Signal Licht
LIGHTWORLD24 Welt der Lichter€6.72971 rev
Trending
90-day click momentumOsram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)
Osram€4.514.8★
Osram ORIGINAL LINE 12V P21W signal lamp Metal Base Double Blister (2 lamps)
Osram€2.864.7★
Diamond Vision 2x P21W | Xenon Look | Halogen KFZ Autolampen | 8500K Super Ultra White | extrem langlebig | 2er SET | E-Prüfzeichen | BA15S
Diamond Vision€11.623.9★
XENOHYPE 10x P21W Premium BA15s 12 V 21 Watt Kugellampen
XENOHYPE€8.504.5★
Light Galaxy ... Ihr Lichtlieferant 10x P21W 12V 21W BA15s Kugellampe Bremslichtlampe Rückfahrlicht Nebelschlussleuchte Tagfahrlicht KFZ Auto Glühlampe
Light Galaxy ... Ihr Lichtlieferant€6.654.6★
What buyers say about p21w
What buyers praise and complain about, mined from review topics.What buyers love
“Lampen sind genau richtig”
“Passt Perfekt”
“Gewohnte Qualität ✅ Alles super, funktioniert und hält bis jetzt super”
“Produkt wie beschrieben”
“Günstige Alternative”
“Gewohnte Qualität ✅ Alles super, funktioniert und hält bis jetzt super”
“easy”
“Der Einbau war unkompliziert”
“Gute Farbe”
“hochwertige Materialien”
What buyers complain about
“Schlechte Qualität”
“Nach 2 Monaten 1 Leuchte defekt”
“Eine Lampe defekt”
“Sehr schlechte Lichtleistung”
“Passt nicht”
“Die Beschreibung ist irreführend”
“Lieferkosten jedoch deutlich zu hoch”
“Nach 2 Tagen war das Glas schwarz”
“Lässt sich nur schwer eindrehen”
Top return reasons
Common questions
- Is p21w profitable to sell on Amazon Germany?
- The niche generates €110K/yr across 12 tracked products. 90-day search growth is -2.6%. Flapen's verdict: Skip it (39/100).
- How competitive is the p21w niche?
- 8 brands and 113 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in p21w?
- Top complaints mined from reviews: Qualität insgesamt, Haltbarkeit, Defekt Material/Teile. The return rate is 0.6%.
- When does demand for p21w peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the p21w niche?
- Listings span €2.51–€11.62; the average listing price is €5.59 (sweet spot $15–$100). The average incumbent carries 5,346 reviews — the moat a new listing must climb.