---
title: "P21 5w — €68K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/auto-motorrad/p21-5w"
last_updated: "2026-08-10T03:29:37.398Z"
locale: en
meta:
description: "Niche score 34/100 · €68K/yr market · 68K searches/yr · €5.55 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · €68K/yr market · 68K searches/yr · €5.55 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "P21 5w — €68K/yr Amazon DE Niche (2026) - Flapen"
---
# **p21 5w**
**Skip it**
Prices mostly outside the sweet spot ($3.16–$9.39) — this niche doesn't clear our bar today.
Market size 17Growth 32Conversion 99Competition 14Returns 96Price range 0Avg price 15Brand share 14Review moat 22Quality gap 22
**Conversion**
**Incredible****18.1%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+6.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****10,338.2**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****€68K**
€68K/yr · 68K searches
**Avg price**
**Bad****€5.55**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****83%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****€3.16–€9.39**
cheapest 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 ~~](https://flapen.com/research/methodology)
## **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.
2K1KSpike '25Prime Day '25 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/de/auto-motorrad/p21-5w/trend)
## **Top p21 5w search terms**
- **p21 5w**28K/yr+9.1%17.4% conv. - **p21/5w**10K/yr+4.1%16.3% conv. - **bremslicht birne 12v 21w/5w**8K/yr+11.3%9.8% conv. - **12v 21/5w**6K/yr+2.6%16.4% conv. - **bay15d**4K/yr+53.5%8.1% conv. - **p21/5w bremslicht**5K/yr-23.1%21.6% conv. - **p21**4K/yr-4.7%4.3% conv. - **ford fiesta bremslicht birne hinten**3K/yr+1.0%4.7% conv. [**All search terms **](https://flapen.com/research/de/auto-motorrad/p21-5w/search-terms)
## **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.
0%15%€10K30%€20K45%€31K60%€41K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)**Osram**€4.51**4.8★3,158 rev](https://www.amazon.de/dp/B0D844612N) [2**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**€6.63**4.6★1,450 rev](https://www.amazon.de/dp/B09RX23C15) [3**Philips 12499B2 Kugellampe Vision P21/5W Signallampe 2er Blister 13.50x9.50x13.50 White**PHILIPS**€3.51**4.7★41,112 rev](https://www.amazon.de/dp/B001BATTF0) [4**XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe**XENOHYPE**€8.55**4.5★552 rev](https://www.amazon.de/dp/B01M3TCIZW) [5**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**€6.62**4.5★175 rev](https://www.amazon.de/dp/B0D1NRCTQ4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)**Osram**€4.51**3,158 rev1y ago](https://www.amazon.de/dp/B0D844612N) [**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**€6.63**1,450 rev4y ago](https://www.amazon.de/dp/B09RX23C15) [**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**€6.62**175 rev4y ago](https://www.amazon.de/dp/B0D1NRCTQ4) [**XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe**XENOHYPE**€8.55**552 rev9y ago](https://www.amazon.de/dp/B01M3TCIZW) [**OSRAM 10x Kugelleuchte 12V P21/5W BAY15D 7528**Osram**€9.39**294 rev12y ago](https://www.amazon.de/dp/B00LGM74SW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Philips automotive lighting 0730012 Glühlampen 13.00x9.50x13.00 White**PHILIPS**€3.33**4.7★**▲ 134%**](https://www.amazon.de/dp/B001B4VCU6) [**Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)**Osram**€4.51**4.8★**▲ 66%**](https://www.amazon.de/dp/B0D844612N) [**OSRAM 10x Kugelleuchte 12V P21/5W BAY15D 7528**Osram**€9.39**4.7★**▲ 63%**](https://www.amazon.de/dp/B00LGM74SW) [**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**€3.16**4.7★**▲ 61%**](https://www.amazon.de/dp/B003JY81VO) [**XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe**XENOHYPE**€8.55**4.5★**▲ 17%**](https://www.amazon.de/dp/B01M3TCIZW)
**~~View all trending →~~**
## **What buyers say about p21 5w**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**beworben Vs Tatsächliches Produkt**24%
*“Erfüllt ihren Zweck”*
**Preis-Leistungs-Verhältnis**20%
*“Günstige Alternative”*
**Qualität insgesamt**18%
*“Fazit: Super Qualität, einfache Handhabung und starke Lichtleistung – daher klare 5 Sterne”*
**Gesamtgröße**14%
*“Passt Perfekt”*
**Helligkeit/Glanz/Glühen**14%
*“Super Lampen”*
**Benutzerfreundlichkeit**2%
*“Schnell und unkompliziert”*
**Haltbarkeit**2%
*“Gute Haltbarkeit”*
**Effizienz**2%
*“Funktioniert supa”*
**Korrekt Inhalt**2%
*“Schon drei Stück verbaut und alle passen genau und funktionieren”*
**Montage/Installation**2%
*“Eingebaut und schon war alles”*
### **What buyers complain about **
**Qualität insgesamt**33%
*“Absoluter Schrott kurz nach dem einsetzen sind schon 3 Birnen defekt”*
**Helligkeit/Glanz/Glühen**13%
*“Strom aus: leuchtet nicht”*
**Haltbarkeit**13%
*“Die Hälfte kaputt”*
**Defekt Material/Teile**13%
*“Die Hälfte kaputt”*
**Gesamtgröße**8%
*“Einrastpunkte passen nicht”*
**Stärke**8%
*“Fast alle Birnen kaputt -zerbrochen”*
**Funktionalität insgesamt**8%
*“Unzuverlässig”*
### **Top return reasons **
**Gesamtgröße**65%
**Kompatibilität – insgesamt**17%
**Defekt Material/Teile**7%
**beworben Vs Tatsächliches Produkt**2%
**Farbe**1%
**Funktionalität insgesamt**1%
**Haltbarkeit**1%
**Montage**1%
**Qualität insgesamt**1%
**Montage/Installation**1%
## **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.
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