51r Battery
FailBuyers convert on only 0.3% of searches, so 51r Battery is a Fail.
- Flapen Score
- 31 / 100Ranks 7,009 of 7,287 Automotive niches · −18 vs the category median of 4931
- 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.
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.
Top sellers
by estimated 90-day click share
ACDelco Gold 51RAGM (88866315) 36 Month Warranty AGM BCI Group 51R Car Battery
- Price
- $168.03
- Rating
- 4.8/5
- Reviews
- 55
- Age
- 1y ago

OPTIMA Batteries High Performance D51R YELLOWTOP Dual Purpose Sealed AGM Car Truck and SUV Battery 450 CCA Maintenance Free Versatile Mounting
- Price
- $275.26
- Rating
- 4.2/5
- Reviews
- 686
- Age
- 18y ago

Interstate Batteries Group 51R Car Battery Replacement (MT-51R) 12V 500 CCA 24 Month Warranty Replacement Automotive Battery for Cars SUVs
- Price
- $225.80
- Rating
- 5.0/5
- Reviews
- 13
- Age
- 3y ago

Interstate Batteries Automotive Battery 12V 41Ah 435CCA (Group Size 51R) SLI AGM Auto Replacement Battery for Cars SUVs Sedans Trucks Vans (MTX-51R)
- Price
- $276.88
- Rating
- 4.5/5
- Reviews
- 402
- Age
- 10mo ago

Interstate Batteries Group 51R Car Battery Replacement (M-51R) 12V 425 CCA 18 Month Warranty Replacement Automotive Battery for Cars and SUVs
- Price
- $158.40
- Rating
- 3.5/5
- Reviews
- 5
- Age
- 3y ago
Trending
estimated 90-day click momentum
Daakmax Platinum AGM Car Battery Group Size 47 H5 12V 60Ah 680 CCA 100 RC Rechargeable Start-Stop Automotive Battery with 36-Month Warranty
- Price
- $133.99
- Rating
- 4.4/5
- Reviews
- 70
- Age
- 3mo ago

Interstate Batteries Automotive Battery 12V 41Ah 435CCA (Group Size 51R) SLI AGM Auto Replacement Battery for Cars SUVs Sedans Trucks Vans (MTX-51R)
- Price
- $276.88
- Rating
- 4.5/5
- Reviews
- 402
- Age
- 10mo ago

Mighty Max Battery MM-G35 Start and Stop Car BCI Group Size 35 12V 55Ah 100RC 650 CCA Rechargeable AGM Car battery
- Price
- $146.28
- Rating
- 4.1/5
- Reviews
- 1,307
- Age
- 1y ago

Interstate Batteries Group 51R Car Battery Replacement (M-51R) 12V 425 CCA 18 Month Warranty Replacement Automotive Battery for Cars and SUVs
- Price
- $158.40
- Rating
- 3.5/5
- Reviews
- 5
- Age
- 3y ago

Renogy 12V 70Ah AGM Car Battery H6 Group 48 Start and Stop Automotive Battery with 720 CCA 120RC Reliable Power for Cars SUVs Trucks and Marine Starting
- Price
- $146.02
- Rating
- 4.4/5
- Reviews
- 1,230
- Age
- 9mo ago
Newest
by launch date
Daakmax Platinum AGM Car Battery Group Size 47 H5 12V 60Ah 680 CCA 100 RC Rechargeable Start-Stop Automotive Battery with 36-Month Warranty
- Price
- $133.99
- Rating
- 4.4/5
- Reviews
- 70
- Age
- 3mo ago

Renogy 12V 70Ah AGM Car Battery H6 Group 48 Start and Stop Automotive Battery with 720 CCA 120RC Reliable Power for Cars SUVs Trucks and Marine Starting
- Price
- $146.02
- Rating
- 4.4/5
- Reviews
- 1,230
- Age
- 9mo ago

Interstate Batteries Automotive Battery 12V 41Ah 435CCA (Group Size 51R) SLI AGM Auto Replacement Battery for Cars SUVs Sedans Trucks Vans (MTX-51R)
- Price
- $276.88
- Rating
- 4.5/5
- Reviews
- 402
- Age
- 10mo ago

TET Group 51 Lithium Car Battery | LiFePO4 Automotive Starter Battery | 12.8V 28Ah 840CCA | Built-in BMS | 2-Year Warranty
- Price
- $245.26
- Rating
- 4.5/5
- Reviews
- 36
- Age
- 11mo ago

ACDelco Gold 51RAGM (88866315) 36 Month Warranty AGM BCI Group 51R Car Battery
- Price
- $168.03
- Rating
- 4.8/5
- Reviews
- 55
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 72% of clicks. A locked shelf that new listings rarely crack.
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.
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.
“does not last”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
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









