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21v Battery Charger

Maybe

The average product has only 109 reviews. But shoppers spend an estimated $52K a year here, so 21v Battery Charger is a Maybe.

Flapen Score
53
53 / 100
Top 13% of 8,347 Electronics niches · +10 vs the category median of 43
Market size
$52K/yr48K searches / yr
90-day growth
+55.0%search demand this quarter
Competition
55%top-5 click share · 24 brands · 26 sellers

Flapen Score

21v Battery Charger against its category

The dotted line is the Electronics average. Past it, 21v Battery Charger is stronger. Inside it, weaker.

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

Market

The 21v Battery Charger market on Amazon at a glance

Shoppers on Amazon United States searched for 21v Battery Charger 48K times last year and spent an estimated $52K. The top 5 brands take 61% of clicks. Flapen scores it 53 out of 100, a Maybe.

01 · Demand

An estimated 7.7% of those searches ended in a purchase.

Shoppers searched for this 48K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.7% of those searches ended in a purchase. Searches in the last 90 days moved +55.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $52K a year.

Searches, last 12 months
48K
Growth, 90 days vs prior 90
+55.0%
Conversion, latest week
7.7%
Market size, estimated
$52Ka year
Top search term
21v battery charger16K searches a year

02 · Price

A sale here is worth $14.17.

Listings sell for $14.17 on average, from $7.71 to $27.69. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $14.17 that is $1K to $4K a year per listing.

Average price
$14.17under the $15 to $100 sweet spot
Price range
$7.71–$27.69
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
3K–4K
Units per listing a year
100–250
Revenue per listing a year
$1K–$4K
Returns
4.2%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

82% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 8.5% of listings are out of stock. The average listing ranks #348 within Power Accessories. It carries 109 reviews at 4.57 stars, so a new listing needs social proof before a better product.

Sponsored listings
82%
Prime listings
96%
Out of stock, average day
8.5%
Average rank
#348in Power Accessories
Average rating
4.57 starsAmazon United States average 4.42 stars
Average reviews
109per listing
Listings tracked
28

04 · Newcomers

2 of last year's 11 launches cleared the first-year sales bar.

11 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 25 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
11
Successful launches
2Amazon's first-year sales bar
Average brand age
25 months

Products

Top 21v Battery Charger 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 55% of clicks. Leaders hold, but buyers still shop past them.

Brands

24 rising

Sellers

26

Top-5 brand share

61%

Top 20: 95%

Top-5 click share

55%

Top 20: 90%

Open market

35%

  • Brand 121%
  • Brand 215%
  • Brand 310%
  • Brand 49%
  • Brand 57%
  • Brand 64%

Demand

21v Battery Charger search demand

Weekly searches over the year. Pick a range.

2K1KMay '26May '26May '26Jun '26Jun '26Jul '26

Search terms

Top 21v Battery Charger search terms shoppers use

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

  • 21v battery charger16K/yr
  • 21 volt battery charger9K/yr
  • 21v lithium battery charger7K/yr
  • 21v charger6K/yr
  • mini chainsaw battery charger5K/yr
  • 21 volt lithium battery charger3K/yr
  • 21v mini chainsaw battery charger3K/yr

Reviews and returns

What reviews say buyers love and hate about 21v Battery Charger

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

39%of positive reviews mention “Charging”
40%of negative reviews mention “Charging”
4.2%of orders come back
“cant even get it to charge”
A buyer, on “Charging”40% 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.

16 topics

NegativePositive

FAQ

Common 21v Battery Charger questions

Answered from the same tracked data.