Skip to content

51r Battery

Fail

Buyers convert on only 0.3% of searches, so 51r Battery is a Fail.

Flapen Score
31
31 / 100
Ranks 7,009 of 7,287 Automotive niches · −18 vs the category median of 49
Market size
$93K/yr170K searches / yr
90-day growth
-12.0%search demand this quarter
Competition
72%top-5 click share · 9 brands · 19 sellers

Flapen Score

51r Battery against its category

The dotted line is the Automotive average. Past it, 51r Battery is stronger. Inside it, weaker.

31Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 51r Battery market on Amazon at a glance

Shoppers on Amazon United States searched for 51r Battery 170K times last year and spent an estimated $93K. The top 5 brands take 92% of clicks. Flapen scores it 31 out of 100, a Fail.

01 · Demand

An estimated 0.3% of those searches ended in a purchase.

Shoppers searched for this 170K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.3% of those searches ended in a purchase. Searches in the last 90 days moved -12.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $93K a year.

Searches, last 12 months
170K
Growth, 90 days vs prior 90
-12.0%
Conversion, latest week
0.3%
Market size, estimated
$93Ka year
Top search term
51r car battery49K searches a year

02 · Price

A sale here is worth $177.29.

Listings sell for $177.29 on average, from $8.55 to $286.12. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At $177.29 that is $0 to $18K a year per listing.

Average price
$177.29above the $15 to $100 sweet spot
Price range
$8.55–$286.12
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
500–750
Units per listing a year
0–100
Revenue per listing a year
$0–$18K
Returns
2.6%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

79% of listings pay for placement with sponsored ads. 57% ship with Prime. On an average day, 17.6% of listings are out of stock. The average listing ranks #677 within Batteries & Accessories. It carries 1,393 reviews at 4.37 stars, so a new listing needs social proof before a better product.

Sponsored listings
79%
Prime listings
57%
Out of stock, average day
17.6%
Average rank
#677in Batteries & Accessories
Average rating
4.37 starsAmazon United States average 4.42 stars
Average reviews
1,393per listing
Listings tracked
14

04 · Newcomers

3 of last year's 4 launches cleared the first-year sales bar.

4 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 57 months on average, so the names here are settling in.

Launched, last 12 months
4
Successful launches
3Amazon's first-year sales bar
Average brand age
57 months

Products

Top 51r Battery products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 9, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 72% of clicks. A locked shelf that new listings rarely crack.

$0$9K$19K$28K$37K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

9 falling

Sellers

19

Est. top-5 brand share

92%

Top 20: 100%

Est. top-5 click share

72%

Top 20: 100%

Open market

5%

  • Interstate Batteries30%
  • ACDelco28%
  • OPTIMA18%
  • Mighty Max Battery10%
  • WEIZE6%
  • T.E.T LITHIUM3%
  • Open — no brand owns it (3 brands, 5%)

Demand

51r Battery search demand

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

5K3KHoliday '25Spike '26OctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.7× · 9 of 12 months tracked

Search terms

Top 51r Battery search terms shoppers use

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

  • 51r car battery49K/yr
  • 51r battery41K/yr
  • group 51 battery24K/yr
  • 51r agm battery11K/yr
  • group 51r battery11K/yr
  • car battery 51r7K/yr
  • group 51r car battery5K/yr
  • battery 51r5K/yr
  • group 51 agm battery3K/yr
  • 51r3K/yr

Reviews and returns

What reviews say buyers love and hate about 51r Battery

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

31%of positive reviews mention “Battery Life”
19%of negative reviews mention “Durability”
2.6%of orders come back
“does not last”
A buyer, on “Durability”19% 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.

15 topics

NegativePositive

FAQ

Common 51r Battery questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data