p21 5w
Skip itPrices mostly outside the sweet spot ($3.16–$9.39) — this niche doesn't clear our bar today.
Conversion
Incredible18.1%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Growth
Okay+6.0%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad10,338.2avg incumbent reviews — the moat a new listing must climb
Market size
Bad€68K€68K/yr · 68K searches
Avg price
Bad€5.55avg listing price — sweet spot $15–$100
Competition
Bad83%top-5 click share — a locked-up shelf
Brand share
Bad94%top-5 brand share — brand-locked demand
Price range
Bad€3.16–€9.39cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon Germany niche tracking, p21 5w is a €68K/yr Amazon Germany market (68K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 34/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
p21 5w market data
- Units sold / yr
- 10K–13K
- avg 750–1,000/product
- Revenue / yr
- €56K–€69K
- units × avg price
- Conversion rate
- 18.1%
- Avg BSR
- #15
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 0.0%
- Avg brand age
- 77 months
- Avg seller age
- 193 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 flat
Sellers
77
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
0%
- Osram49%
- PHILIPS18%
- LIGHTWORLD24 Welt der Lichter14%
- XENOHYPE8%
- Light Galaxy ... Ihr Lichtlieferant6%
- Bosch6%
Demand & seasonality
Weekly Amazon search volume, last 83 weeks — +6.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top p21 5w search terms
- p21 5w28K/yr
- p21/5w10K/yr
- bremslicht birne 12v 21w/5w8K/yr
- 12v 21/5w6K/yr
- bay15d4K/yr
- p21/5w bremslicht5K/yr
- p214K/yr
- ford fiesta bremslicht birne hinten3K/yr
Top p21 5w 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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)
Osram€4.514.8★3,158 rev
LIGHTWORLD24 10 x BAY15D P21/5W Auto Lampe 12V 21 Watt 5 Watt Bremslicht Rücklicht Glühlampe Kugellampe Glühbirne AUTOBIRNEN RÜCKLICHT STOPPLICHT BLINKER MOTORRAD
LIGHTWORLD24 Welt der Lichter€6.634.6★1,450 rev
Philips 12499B2 Kugellampe Vision P21/5W Signallampe 2er Blister 13.50x9.50x13.50 White
PHILIPS€3.514.7★41,112 rev
XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe
XENOHYPE€8.554.5★552 rev
Light Galaxy ... Ihr Lichtlieferant 10x BAY15d P21/5W Bremslicht Birne Rücklicht Glühlampe 12V 21/5W Autolampe Kfz Kugellampe PKW Motorrad Anhänger
Light Galaxy ... Ihr Lichtlieferant€6.624.5★175 rev
Newest
by launch dateOsram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)
Osram€4.513,158 rev
LIGHTWORLD24 10 x BAY15D P21/5W Auto Lampe 12V 21 Watt 5 Watt Bremslicht Rücklicht Glühlampe Kugellampe Glühbirne AUTOBIRNEN RÜCKLICHT STOPPLICHT BLINKER MOTORRAD
LIGHTWORLD24 Welt der Lichter€6.631,450 rev
Light Galaxy ... Ihr Lichtlieferant 10x BAY15d P21/5W Bremslicht Birne Rücklicht Glühlampe 12V 21/5W Autolampe Kfz Kugellampe PKW Motorrad Anhänger
Light Galaxy ... Ihr Lichtlieferant€6.62175 rev
XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe
XENOHYPE€8.55552 rev
OSRAM 10x Kugelleuchte 12V P21/5W BAY15D 7528
Osram€9.39294 rev
Trending
90-day click momentum
Philips automotive lighting 0730012 Glühlampen 13.00x9.50x13.00 White
PHILIPS€3.334.7★
Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)
Osram€4.514.8★
OSRAM 10x Kugelleuchte 12V P21/5W BAY15D 7528
Osram€9.394.7★
Bosch P21/5W Pure Light Halogen-Glühlampe für Auto-Scheinwerfer 12 V 21/5 W in Originalqualität - Lampensockel Typ BAY15d - 2er-Pack Ersatz-Scheinwerferlampen
Bosch€3.164.7★
XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe
XENOHYPE€8.554.5★
What buyers say about p21 5w
What buyers praise and complain about, mined from review topics.What buyers love
“Erfüllt ihren Zweck”
“Günstige Alternative”
“Fazit: Super Qualität, einfache Handhabung und starke Lichtleistung – daher klare 5 Sterne”
“Passt Perfekt”
“Super Lampen”
“Schnell und unkompliziert”
“Gute Haltbarkeit”
“Funktioniert supa”
“Schon drei Stück verbaut und alle passen genau und funktionieren”
“Eingebaut und schon war alles”
What buyers complain about
“Absoluter Schrott kurz nach dem einsetzen sind schon 3 Birnen defekt”
“Strom aus: leuchtet nicht”
“Die Hälfte kaputt”
“Die Hälfte kaputt”
“Einrastpunkte passen nicht”
“Fast alle Birnen kaputt -zerbrochen”
“Unzuverlässig”
Top return reasons
Common questions
- Is p21 5w profitable to sell on Amazon Germany?
- The niche generates €68K/yr across 10 tracked products. 90-day search growth is +6.0%. Flapen's verdict: Skip it (34/100).
- How competitive is the p21 5w niche?
- 6 brands and 77 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in p21 5w?
- Top complaints mined from reviews: Qualität insgesamt, Helligkeit/Glanz/Glühen, Haltbarkeit. The return rate is 0.9%.
- When does demand for p21 5w peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the p21 5w niche?
- Listings span €3.16–€9.39; the average listing price is €5.55 (sweet spot $15–$100). The average incumbent carries 10,338 reviews — the moat a new listing must climb.