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21700 Battery Charger

Fail

Demand is soft, at -23.4% this quarter, so 21700 Battery Charger is a Fail.

Flapen Score
49
49 / 100
Ranks 3,500 of 7,287 Automotive niches · on the category median
Market size
$183K/yr90K searches / yr
90-day growth
-23.4%search demand this quarter
Competition
63%top-5 click share · 11 brands · 16 sellers

Flapen Score

21700 Battery Charger against its category

The dotted line is the Automotive average. Past it, 21700 Battery Charger is stronger. Inside it, weaker.

49Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 21700 Battery Charger market on Amazon at a glance

Shoppers on Amazon United States searched for 21700 Battery Charger 90K times last year and spent an estimated $183K. The top 5 brands take 89% of clicks. Demand peaks in Jan–Dec. Flapen scores it 49 out of 100, a Fail.

01 · Demand

An estimated 6.6% of those searches ended in a purchase.

Shoppers searched for this 90K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.6% of those searches ended in a purchase. Searches in the last 90 days moved -23.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $183K a year.

Searches, last 12 months
90K
Growth, 90 days vs prior 90
-23.4%
Conversion, latest week
6.6%
Market size, estimated
$183Ka year
Peak month
December1.8× the quietest month
Top search term
21700 battery charger45K searches a year

02 · Price

A sale here is worth $30.94.

Listings sell for $30.94 on average, from $9.82 to $98.38. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At $30.94 that is $3K to $8K a year per listing.

Average price
$30.94inside the $15 to $100 sweet spot
Price range
$9.82–$98.38
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
5K–6K
Units per listing a year
100–250
Revenue per listing a year
$3K–$8K
Returns
1.7%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.1% of listings are out of stock. The average listing ranks #45 within Jump Starters, Battery Chargers & Portable Power. It carries 610 reviews at 4.44 stars, so a new listing needs social proof before a better product.

Sponsored listings
88%
Prime listings
100%
Out of stock, average day
2.1%
Average rank
#45in Jump Starters, Battery Chargers & Portable Power
Average rating
4.44 starsAmazon United States average 4.42 stars
Average reviews
610per listing
Listings tracked
25

04 · Newcomers

2 of last year's 3 launches cleared the first-year sales bar.

3 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 32 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
3
Successful launches
2Amazon's first-year sales bar
Average brand age
32 months

Products

Top 21700 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 63% of clicks. Leaders hold, but buyers still shop past them.

Brands

11 rising

Sellers

16

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

63%

Top 20: 95%

Open market

8%

  • Brand 158%
  • Brand 217%
  • Brand 37%
  • Brand 45%
  • Brand 53%
  • Brand 62%
  • Open — no brand owns it (5 brands, 8%)

Demand

21700 Battery Charger search demand

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

3K2KHoliday '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 1.8×

Search terms

Top 21700 Battery Charger search terms shoppers use

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

  • 21700 battery charger45K/yr
  • nitecore charger18K/yr
  • nitecore battery charger18K/yr
  • 21700 charger7K/yr
  • nitecore ums43K/yr

Reviews and returns

What reviews say buyers love and hate about 21700 Battery Charger

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

37%of positive reviews mention “Charging”
37%of negative reviews mention “Charging”
1.7%of orders come back
“Wont charge”
A buyer, on “Charging”37% 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 21700 Battery Charger questions

Answered from the same tracked data.