---
title: "p21 5w — Niche Verdict: Skip it (35/100) | Amazon Germany - Flapen"
canonical_url: "https://flapen.com/amazon/research/de/auto-motorrad/p21-5w"
last_updated: "2026-07-10T01:06:22.256Z"
locale: en
meta:
  description: "a small market ($68K/yr) — p21 5w doesn't clear our bar today."
  "og:description": "a small market ($68K/yr) — p21 5w doesn't clear our bar today."
  "og:title": "p21 5w — Niche Verdict: Skip it (35/100) | Amazon Germany - Flapen"
---

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# **p21 5w**

**Skip it****35/100 **

a small market ($68K/yr) — p21 5w doesn't clear our bar today.

**Market/yr**

**€68K**

**Growth (1y)**

**+116.1%**

**Products**

**10**

**Brands**

**6**

was 6 a year ago

**Sellers**

**77**

**Price range**

**€3.16–€9.39**

**Returns**

**0.9%**

**Rating**

**4.7★**

**Skip it**

Scored 35/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**3**

 ×0.30

Growth

**67**

 ×0.30

Competition

**10**

 ×0.20

Quality gap

**25**

 ×0.10

Returns

**93**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 83 weeks — +116.1% year over year.

2K763.5Spike '25Prime Day '25Dec '24Mar '25Jun '25Aug '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.2×

## **Competition**

- Osram49% - PHILIPS18% - LIGHTWORLD24 Welt der Lichter14% - XENOHYPE8% - Light Galaxy ... Ihr Lichtlieferant6% - Bosch6%

The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack. 6 brands and 77 sellers compete here.

**Brands**

**6 **—flat

was 6 a year ago

**Sellers**

**77**

**Top 5 brand share**

**94%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)](https://m.media-amazon.com/images/I/41MVKD4gn1L.jpg) [**Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)**](https://www.amazon.de/dp/B0D844612N)

Osram€4.514.8★3,15847%▲rising

2
![LIGHTWORLD24 10 x BAY15D P21/5W Auto Lampe 12V 21 Watt 5 Watt Bremslicht Rücklicht Glühlampe Kugellampe Glühbirne AUTOBIRNEN RÜCKLICHT STOPPLICHT BLINKER MOTORRAD](https://m.media-amazon.com/images/I/41ivvRWckNL.jpg) [**LIGHTWORLD24 10 x BAY15D P21/5W Auto Lampe 12V 21 Watt 5 Watt Bremslicht Rücklicht Glühlampe Kugellampe Glühbirne AUTOBIRNEN RÜCKLICHT STOPPLICHT BLINKER MOTORRAD**](https://www.amazon.de/dp/B09RX23C15)

LIGHTWORLD24 Welt der Lichter€6.634.6★1,45014%▲rising

3
![Philips 12499B2 Kugellampe Vision P21/5W Signallampe 2er Blister 13.50x9.50x13.50 White](https://m.media-amazon.com/images/I/41vCdHwp7KL.jpg) [**Philips 12499B2 Kugellampe Vision P21/5W Signallampe 2er Blister 13.50x9.50x13.50 White**](https://www.amazon.de/dp/B001BATTF0)

PHILIPS€3.514.7★41,1129%▼falling

4
![XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe](https://m.media-amazon.com/images/I/41d7T2qGyuL.jpg) [**XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe**](https://www.amazon.de/dp/B01M3TCIZW)

XENOHYPE€8.554.5★5528%▲rising

5
![Light Galaxy ... Ihr Lichtlieferant 10x BAY15d P21/5W Bremslicht Birne Rücklicht Glühlampe 12V 21/5W Autolampe Kfz Kugellampe PKW Motorrad Anhänger](https://m.media-amazon.com/images/I/410qN7h5ouL.jpg) [**Light Galaxy ... Ihr Lichtlieferant 10x BAY15d P21/5W Bremslicht Birne Rücklicht Glühlampe 12V 21/5W Autolampe Kfz Kugellampe PKW Motorrad Anhänger**](https://www.amazon.de/dp/B0D1NRCTQ4)

Light Galaxy ... Ihr Lichtlieferant€6.624.5★1756%▼falling

6
![Philips 12499VPB2 VisionPlus P21/5W Signallampe 12499VPB2 2er Blister Double blister 2 Stück (1er Pack)](https://m.media-amazon.com/images/I/41SncKoaAxL.jpg) [**Philips 12499VPB2 VisionPlus P21/5W Signallampe 12499VPB2 2er Blister Double blister 2 Stück (1er Pack)**](https://www.amazon.de/dp/B005L9EZGA)

PHILIPS€5.854.6★7,1775%—flat

7
![Philips automotive lighting 0730012 Glühlampen 13.00x9.50x13.00 White](https://m.media-amazon.com/images/I/41B9xH0AyxL.jpg) [**Philips automotive lighting 0730012 Glühlampen 13.00x9.50x13.00 White**](https://www.amazon.de/dp/B001B4VCU6)

PHILIPS€3.334.7★41,1124%▲rising

8
![BOSCH Glühlampe 1987301055](https://m.media-amazon.com/images/I/11hr3INyGLL.jpg) [**BOSCH Glühlampe 1987301055**](https://www.amazon.de/dp/B003JY824U)

Bosch€3.934.7★2,7993%▼falling

9
![OSRAM 10x Kugelleuchte 12V P21/5W BAY15D 7528](https://m.media-amazon.com/images/I/31n9B2aNvGL.jpg) [**OSRAM 10x Kugelleuchte 12V P21/5W BAY15D 7528**](https://www.amazon.de/dp/B00LGM74SW)

Osram€9.394.7★2943%▲rising

10

![Bosch P21/5W Pure Light Halogen-Glühlampe für Auto-Scheinwerfer 12 V 21/5 W in Originalqualität - Lampensockel Typ BAY15d - 2er-Pack Ersatz-Scheinwerferlampen](https://m.media-amazon.com/images/I/11hr3INyGLL.jpg) [**Bosch P21/5W Pure Light Halogen-Glühlampe für Auto-Scheinwerfer 12 V 21/5 W in Originalqualität - Lampensockel Typ BAY15d - 2er-Pack Ersatz-Scheinwerferlampen**](https://www.amazon.de/dp/B003JY81VO)

Bosch€3.164.7★5,5533%▲rising

## **Product shelf**

All 10 tracked products in this niche.

Top sellersNewestTrending

[![Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)](https://m.media-amazon.com/images/I/41MVKD4gn1L.jpg)**Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)** Osram**€4.51**4.8★3,158 reviews](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](https://m.media-amazon.com/images/I/41ivvRWckNL.jpg)**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 reviews](https://www.amazon.de/dp/B09RX23C15) [![Philips 12499B2 Kugellampe Vision P21/5W Signallampe 2er Blister 13.50x9.50x13.50 White](https://m.media-amazon.com/images/I/41vCdHwp7KL.jpg)**Philips 12499B2 Kugellampe Vision P21/5W Signallampe 2er Blister 13.50x9.50x13.50 White** PHILIPS**€3.51**4.7★41,112 reviews](https://www.amazon.de/dp/B001BATTF0) [![XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe](https://m.media-amazon.com/images/I/41d7T2qGyuL.jpg)**XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe** XENOHYPE**€8.55**4.5★552 reviews](https://www.amazon.de/dp/B01M3TCIZW) [![Light Galaxy ... Ihr Lichtlieferant 10x BAY15d P21/5W Bremslicht Birne Rücklicht Glühlampe 12V 21/5W Autolampe Kfz Kugellampe PKW Motorrad Anhänger](https://m.media-amazon.com/images/I/410qN7h5ouL.jpg)**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 reviews](https://www.amazon.de/dp/B0D1NRCTQ4) [![Philips 12499VPB2 VisionPlus P21/5W Signallampe 12499VPB2 2er Blister Double blister 2 Stück (1er Pack)](https://m.media-amazon.com/images/I/41SncKoaAxL.jpg)**Philips 12499VPB2 VisionPlus P21/5W Signallampe 12499VPB2 2er Blister Double blister 2 Stück (1er Pack)** PHILIPS**€5.85**4.6★7,177 reviews](https://www.amazon.de/dp/B005L9EZGA) [![Philips automotive lighting 0730012 Glühlampen 13.00x9.50x13.00 White](https://m.media-amazon.com/images/I/41B9xH0AyxL.jpg)**Philips automotive lighting 0730012 Glühlampen 13.00x9.50x13.00 White** PHILIPS**€3.33**4.7★41,112 reviews](https://www.amazon.de/dp/B001B4VCU6) [![BOSCH Glühlampe 1987301055](https://m.media-amazon.com/images/I/11hr3INyGLL.jpg)**BOSCH Glühlampe 1987301055** Bosch**€3.93**4.7★2,799 reviews](https://www.amazon.de/dp/B003JY824U)

## **Reviews**

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**- Gesamtgröße65% - Kompatibilität – insgesamt17% - Defekt Material/Teile7% - beworben Vs Tatsächliches Produkt2% - Farbe1% - Funktionalität insgesamt1% - Haltbarkeit1% - Montage1% - Qualität insgesamt1% - Montage/Installation1%