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Marstek B2500

Maybe

An estimated 0.1% of orders come back. But the top 5 brands take 100% of clicks, so Marstek B2500 is a Maybe.

Flapen Score
53
53 / 100
Top 33% of 490 Gewerbe, Industrie & Wissenschaft niches · +4 vs the category median of 49
Market size
€1.3M/yr336K searches / yr
90-day growth
+30.2%search demand this quarter
Competition
56%top-5 click share · 5 brands · 15 sellers

Flapen Score

Marstek B2500 against its category

The dotted line is the Gewerbe, Industrie & Wissenschaft average. Past it, Marstek B2500 is stronger. Inside it, weaker.

53Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Marstek B2500 market on Amazon at a glance

Shoppers on Amazon Germany searched for Marstek B2500 336K times last year and spent an estimated €1.3M. All 5 brands take every click. Demand peaks in Apr–May–Oct–Nov. Flapen scores it 53 out of 100, a Maybe.

01 · Demand

An estimated 0.8% of those searches ended in a purchase.

Shoppers searched for this 336K times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 0.8% of those searches ended in a purchase. Searches in the last 90 days moved +30.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated €1.3M a year.

Searches, last 12 months
336K
Growth, 90 days vs prior 90
+30.2%
Conversion, latest week
0.8%
Market size, estimated
€1.3Ma year
Peak month
October3.0× the quietest month
Top search term
marstek b250092K searches a year

02 · Price

A sale here is worth €486.45.

Listings sell for €486.45 on average, from €60.85 to €1152.70. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At €486.45 that is €0 to €49K a year per listing.

Average price
€486.45above the $15 to $100 sweet spot
Price range
€60.85–€1152.70
Amazon Germany median price
€18.99across 29,809 niches
Units sold a year
2K–3K
Units per listing a year
0–100
Revenue per listing a year
€0–€49K
Returns
0.1%of orders · Amazon Germany median 1.1%

03 · Entry bar

The bar here is low.

72% of listings pay for placement with sponsored ads. 8% ship with Prime. On an average day, 22.3% of listings are out of stock. The average listing ranks #69 within Solar- & Windenergie. It carries 40 reviews at 4.10 stars, so a new listing needs social proof before a better product.

Sponsored listings
72%
Prime listings
8%
Out of stock, average day
22.3%
Average rank
#69in Solar- & Windenergie
Average rating
4.10 starsAmazon Germany average 4.37 stars
Average reviews
40per listing
Listings tracked
25

04 · Newcomers

12 of last year's 15 launches cleared the first-year sales bar.

15 products launched here in the last 12 months. 12 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 27 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
15
Successful launches
12Amazon's first-year sales bar
Average brand age
27 months

Products

Top Marstek B2500 products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 56% of clicks. Leaders hold, but buyers still shop past them.

Brands

5 falling

Sellers

15

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

56%

Top 20: 96%

Open market

0%

  • Brand 137%
  • Brand 225%
  • Brand 314%
  • Brand 414%
  • Brand 510%

Demand

Marstek B2500 search demand

Weekly searches over the year, seasonality beneath. Pick a range.

25K15KSpike '25Prime Day '25Black Friday '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Apr, May, Oct, Nov · busiest ÷ quietest = 3.0×

Search terms

Top Marstek B2500 search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • marstek b250092K/yr
  • marstek121K/yr
  • marstek b2500-d24K/yr
  • marstek speicher12K/yr
  • mastek speicher7K/yr
  • marstek venus12K/yr
  • marstek venus e44K/yr
  • marstek p2500 erweiterungsspeicher7K/yr
  • b25004K/yr
  • marstek venus c5K/yr

Reviews and returns

What reviews say buyers love and hate about Marstek B2500

We read the reviews and the return reasons for every product selling here.

20%of positive reviews mention “Montage/Installation”
14%of negative reviews mention “Funktionalität insgesamt”
0.1%of orders come back
“Auto Modus funktioniert nicht”
A buyer, on “Funktionalität insgesamt”14% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common Marstek B2500 questions

Answered from the same tracked data.