---
title: "Bosch Akku 18v 4ah — €225K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/baumarkt/bosch-akku-18v-4ah"
last_updated: "2026-08-10T04:16:22.881Z"
locale: en
meta:
description: "Niche score 55/100 · €225K/yr market · 49K searches/yr. Brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · €225K/yr market · 49K searches/yr. Brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Bosch Akku 18v 4ah — €225K/yr Amazon DE Niche (2026) - Flapen"
---
# **bosch akku 18v 4ah**
**Worth a look**
Shows demand growing +131.8% this quarter, but brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list.
Market size 43Growth 96Conversion 83Competition 19Returns 84Price range 76Avg price 93Brand share 3Review moat 48Quality gap 35
**Growth**
**Incredible****+131.8%**
90-day search growth — must beat 0% to launch
**Avg price**
**Great****€51.34**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.0%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****€30.39–€122.20**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****1,730**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****€225K**
€225K/yr · 49K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****99%**
top-5 brand share — brand-locked demand
**Signals**[** Trending**](https://flapen.com/research/niches?market=de&signal=trending "Search growth > 100% (90d)") [** High Price**](https://flapen.com/research/niches?market=de&signal=high_price "Avg price > $50")
According to Flapen's Amazon Germany niche tracking, bosch akku 18v 4ah is a €225K/yr Amazon Germany market (49K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 55/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bosch akku 18v 4ah market data**
- **Units sold / yr**
- **3K–3K**
- avg 250–500/product
- **Revenue / yr**
- **€128K–€154K**
- units × avg price
- **Conversion rate**
- **9.0%**
- **Avg BSR**
- **#82**
- **Page quality**
- **0%**
- **Prime**
- **93%**
- **Sponsored**
- **67%**
- **Out of stock**
- **3.1%**
- **Avg brand age**
- **25 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▲rising
**Sellers**
**194**
**Top-5 brand share**
**99%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**0%**
- Bosch79% - Rapid7% - Bosch Professional5% - TeenPower4% - GGiking4% - SAPBJ1%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +131.8% search growth over the last 90 days.
2K2KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/de/baumarkt/bosch-akku-18v-4ah/trend)
## **Top bosch akku 18v 4ah search terms**
- **bosch akku 18v 4ah**35K/yr+160.6%4.5% conv. - **bosch akku 4.0 ah 18v**5K/yr+99.7%4.7% conv. - **bosch 4ah akku 18v**5K/yr+71.1%3.8% conv. - **bosch 18v akku 4ah**4K/yr+42.9%3.4% conv. [**All search terms **](https://flapen.com/research/de/baumarkt/bosch-akku-18v-4ah/search-terms)
## **Top bosch akku 18v 4ah 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%10%€23K20%€45K30%€68K40%€90K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Bosch Akku und Schnellladegerät Starter Set (1x 4 0Ah Li-Ionen-Akku; 1x Schnellladegerät; Power for All 18V Alliance)**Bosch**€37.87**4.5★803 rev](https://www.amazon.de/dp/B0D92J6B9J) [2**Bosch Akku Pack PBA 18V 4.0Ah W-C (18 Volt System 4.0Ah Batterie im Karton)**Bosch**€30.39**4.7★5,554 rev](https://www.amazon.de/dp/B07669C4Y4) [3**Bosch Professional 18V System Akku GBA 18V 4.0Ah**Bosch**€41.72**4.7★2,928 rev](https://www.amazon.de/dp/B00ARAUS3M) [4**Bosch Akku 18V 4.0 Ah PowerPlus (1 Akku 18V 4.0 Ah 18 Volt System im Karton)**Bosch**€53.65**4.7★605 rev](https://www.amazon.de/dp/B09HN225CF) [5**Rapid POWER FOR ALL Akku 18V 4 0Ah Hochleistungs-Lithium-Ionen für Bosch Gardena Gloria und Wagner Geräte Kompatibel mit POWER FOR ALL**Rapid**€52.10**4.7★96 rev](https://www.amazon.de/dp/B0B18VN8Y9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2×8000mAh Ersatzakku für Bosch 18V PBA/PSB/PSR Serie Kompatibel mit Bosch Grünwerkzeuge Haus & Garten Gardena 18V Akku (Nicht kompatibel mit Unlimited Staubsauger)**GGiking**€38.98**101 rev3mo ago](https://www.amazon.de/dp/B0GTWF2ZY6) [**2 Pack 18V 5.0Ah Battery for Bosch Home and Garden 18 Volt Battery Replacement Compatible with Bosch PBA PSB PSR Gardena/Gloria Cordless Power Tools Batteries 1600A011T8**SAPBJ**€58.17**12 rev8mo ago](https://www.amazon.de/dp/B0FXM6YDQP) [**2X 18V Akku 5.0Ah Kompatibel für Bosch Haus und Garten 5000mAh Akku für Gloria akku Kompatibel mit Bosch 18V PBA PSB PSR**TeenPower**€35.45**309 rev1y ago](https://www.amazon.de/dp/B0FBR8D4FD) [**18V 5.0Ah Ersatzakku Kompatibel mit Bosch PBA PSB PSR Home & Garden 5000mAh Lithium Akku für Gloria Akku Werkzeuge Hochkapazität Ersatzbatterie für Bosch 18V Elektrowerkzeuge2er Pack**GGiking**€38.35**101 rev1y ago](https://www.amazon.de/dp/B0DRN94HDX) [**Bosch Akku und Schnellladegerät Starter Set (1x 4 0Ah Li-Ionen-Akku; 1x Schnellladegerät; Power for All 18V Alliance)**Bosch**€37.87**803 rev2y ago](https://www.amazon.de/dp/B0D92J6B9J)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**2 Pack 18V 5.0Ah Battery for Bosch Home and Garden 18 Volt Battery Replacement Compatible with Bosch PBA PSB PSR Gardena/Gloria Cordless Power Tools Batteries 1600A011T8**SAPBJ**€58.17**4.8★**▲ 161%**](https://www.amazon.de/dp/B0FXM6YDQP) [**2×8000mAh Ersatzakku für Bosch 18V PBA/PSB/PSR Serie Kompatibel mit Bosch Grünwerkzeuge Haus & Garten Gardena 18V Akku (Nicht kompatibel mit Unlimited Staubsauger)**GGiking**€38.98**3.9★**▲ 161%**](https://www.amazon.de/dp/B0GTWF2ZY6) [**18V 5.0Ah Ersatzakku Kompatibel mit Bosch PBA PSB PSR Home & Garden 5000mAh Lithium Akku für Gloria Akku Werkzeuge Hochkapazität Ersatzbatterie für Bosch 18V Elektrowerkzeuge2er Pack**GGiking**€38.35**3.9★**▲ 160%**](https://www.amazon.de/dp/B0DRN94HDX) [**Bosch Akku und Schnellladegerät Starter Set 18V (1x 2 5Ah Li-Ionen-Akku; 1x Schnellladegerät; Power for All 18V Alliance)**Bosch**€43.27**4.5★**▲ 122%**](https://www.amazon.de/dp/B0D92KTMLW) [**2X 18V Akku 5.0Ah Kompatibel für Bosch Haus und Garten 5000mAh Akku für Gloria akku Kompatibel mit Bosch 18V PBA PSB PSR**TeenPower**€35.45**4.0★**▲ 121%**](https://www.amazon.de/dp/B0FBR8D4FD)
**~~View all trending →~~**
## **What buyers say about bosch akku 18v 4ah**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Akkulaufzeit**31%
*“Super akku”*
**Qualität insgesamt**16%
*“Super Qualität, solide verarbeitet”*
**Aufladen**12%
*“Rapid Power for all”*
**Gesamtgröße**9%
*“Passt”*
**Preis-Leistungs-Verhältnis**8%
*“Preis/ Leistung super”*
**beworben Vs Tatsächliches Produkt**7%
*“Er hält was er verspricht, lange Laufzeit”*
**Haltbarkeit**3%
*“Alles gut gelaufen”*
**Kompatibilität – insgesamt**1%
*“Der Akku ist zwar mit Bosch Geräten kompatibel und funktioniert,”*
**Motorleistung**1%
*“Super Power”*
**Gewicht leicht**1%
*“Klein leicht und hält”*
### **What buyers complain about **
**Aufladen**23%
*“Eins von zwei Akkus defekt / lässt sich nicht laden”*
**Akkulaufzeit**16%
*“Defekter Akku”*
**Qualität insgesamt**9%
*“Einfach nur Müll”*
**Kompatibilität – insgesamt**7%
*“Nicht kompatibel”*
**Preis-Leistungs-Verhältnis**5%
*“Nur halt etwas teuer”*
**Gesamtgröße**4%
*“Passt nicht”*
**Haltbarkeit**4%
*“Schon wieder defekt”*
**Produktzustand**3%
*“Geöffneter Karton mit ausgetauschtem Akku”*
**beworben Vs Tatsächliches Produkt**2%
*“ungenügende Produktbeschreibung”*
**Stärke**2%
*“Schwache Leistung”*
### **Top return reasons **
**Gesamtgröße**31%
**Kompatibilität – insgesamt**28%
**Aufladen**21%
**Akkulaufzeit**4%
**Funktionalität insgesamt**3%
**Produktzustand**3%
**Gewicht schwer**2%
**Defekt Material/Teile**2%
**beworben Vs Tatsächliches Produkt**2%
**Preis-Leistungs-Verhältnis**1%
## **Common questions**
- **Is bosch akku 18v 4ah profitable to sell on Amazon Germany?**
- The niche generates €225K/yr across 15 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +131.8%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the bosch akku 18v 4ah niche?**
- 6 brands and 194 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 99% of demand.
- **What do buyers complain about in bosch akku 18v 4ah?**
- Top complaints mined from reviews: Aufladen, Akkulaufzeit, Qualität insgesamt. The return rate is 1.6%.
- **When does demand for bosch akku 18v 4ah peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the bosch akku 18v 4ah niche?**
- Listings span €30.39–€122.20; the average listing price is €51.34 (sweet spot $15–$100). The average incumbent carries 1,730 reviews — the moat a new listing must climb.
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